300w Hf Amplifier


" While I generally disagree, it certainly appears to be true for 75m AM operation here in central North America, where a one watt carrier can quickly become buried in QRN & QRM. Also, it is a pretty great product for the price. It turned out to be based on the. Band VHF PA 5 Watts, GJ4ICD's 8877 50MHz Amplifier, Homebrew 50 MHz Amplifier. RF output will vary. Bluetooth Controllers, Am/Fm Bluetooth source units, compact and full size marine amplifiers with high power, high volume compression horns and subwoofers make up the THOR product line. Vintage Stock: Electronic parts and equipment that was manufactured in the United States as early. The JUMA PA100 amplifier can be used with any low power transceiver or transmitter with output power. Complete easily obtained parts list and step-by-step construction booklet. solid state 600 w hf amp, the extended hog 14a for mrf150. 300W radio power amplifier for 88 - 108 MHz band. SD2933 - 300W - 50V HF/VHF DMOS TRANSISTOR, SD2933W, STMicroelectronics. 1000 watts HF amplifier, 10-160 metres, with one 3-500Z tube. 2003 • Learning to Live with a Linear –W0YF, Hedin –July 2006 • Old Amplifiers –Boat Anchors or Bargain Basement Opportunities? –K0GKD, Sowden –Jan. Comments? email to. Common used in SSB, AM linear power amplifier, the CW, FM, power amplifier, and the most basic signal amplification. The amplifier covers 160 thru 10 meters, 1w input 40 watts out with 28vdc supply. The amplifier as circuit strengthens the tendency of signal with concrete aid, depending on the frequency of signal. The HF project was eventually scrapped because of widely varying gain from 160m to 10m. 6 -50 mhz, main power supply 45-50 volt, 26-29 a. i use one calling the 2 meter nets and just to qso often. TI delivers a broad portfolio of amplifier ICs including precision, high speed, general purpose, audio, high speed and power operational amplifiers. It now features a hardware protection circuit for output impedance mismatch that is lightning fast ensuring the safety of the power transistors in the event of high VSWR on the antenna connector. Hambid for Ham radio, scanners, DAB, Shortwave & CB radios. 8 - 30mhz, 300w max 500w ssb Shop Home > AMATEUR AVIATION CB MARINE PMR RADIO > RADIO ACCESSORIES > LINEAR AMPLIFIERS £399. Henry Radio manufactures a broad range of solid state RF power amplifiers for many different applications. These units do not require any tuning. Ford Oem-ecm Pcm Ecu Engine Control Module. 14 MHz 25W 2x MOSFET Power Amplifier - F6BCU. 4-3mhz rf input: 0-10w max pep rf output: -am mode 0-200w (800w pep) -cw mode 0-800w -all digital modes 0-300w adjust rf input dri DX World Electronics March 11 ·. It works great with the Flex Radio, you can use this amp for flex-1500 makes QSOs world wide. SMSL SA-36A Pro TPA3118D2DAP Stereo Amplifier 2 x 20W. BaoJie BJ-300 HF Two Way Radio Power Amplifier. PA-500WH HF amateur radio HF 1. Before going into details about the amplifier installation and tests, I'll show a few pictures. It is currently wired for 120 VAC. 8-54 MHz with LPF and protection VRF2933. For audiophiles who want the cutting edge of convenience, control, and durability, there are few other components that can match the MA8900. Xantrex power products provide reliable power safely and efficiently, perfect for RVs, marine environments, commercial vehicles & more. 8-54 MHz MOSFET. It is especially very convenient for DXpeditions and similar traveling events as well as for station use. Depending on your power supply voltage they have amplifier reference designs in the several hundred watt class. If you want to see more rf amplifiers. PHP 32,431. The ALS600 and similar amps (100w in, 500-600w out) are about where they "start. The amplifier uses 2 SD2941-10 MosFets configured for Class AB operation. Rick Campbell, KK7B 1Notes appear at the end of the article. 5mm Monitor Link, Connect up to 2 Input Sources at Once. INTRODUCTION. Solid State HF Amplifier 16 MRF150 2. Analog Devices-. 8-54 MHz MOSFET 5" TFT LCD. Type: Power Amplifier. A dB is unit used to measure the power of a signal, such as an electrical signal or sound, relative to some reference level. Most FET's used in pre-amplifier circuits are depletion devices while those used in very high power amplifiers are mostly of the enhancement types. - Output power:80W,use 13. 8-30 MHz with LPF This device is designed for use with SDR radios , like ANAN-10, FLEX-1500 or others. 4kW HF amplifier is the easiest to handle and operate. The amplifier is intended for mobile installations and is expected to be used at voltage supply levels between 11 and 18 volts. Hambid for Ham radio, scanners, DAB, Shortwave & CB radios. 06 Time Remaining: 4h 29m Buy It Now for only: $10. We are pleased to announce that the LA-1K far. HF Projects 5W HF SDR AMP KIT, Amplified Speaker, KENWOOD TH215a HT with accessories; MFJ-993B 300w Auto Antenna Tuner; New Heil PR-10 Mic; Amp Supply LK-500ZB; Johnson Viking Matchbox; COMMANDER VHF 1200 LINEAR AMPLIFIER 6 METERS 50-54 ICOM IC-71A ham band receiver. 9 is an universal RF amplifier, used with Station Radio C11/R210 delivering a RF output of 1kW CW or 400 watts amplitude modulation. We aim to be the place you look to first for all your ham radio amplifier needs!. As the name implies, the amp was rated for a 300 watt output from a 4 watt drive. 8-30 MHz WITH FANS - ALL MODE - OUTPUT POWER 300W p. 58Hz - 31kHz. CD/cc (-RN) - Continuous-duty, rack-mount, medium-power amplifiers. Relay switching is automatic RF sensing. Overview: K976EA0RN-330. The plate-load True Resistance Indicator (TRI) is a powerful tuning aid which, together with the automatically controlled input. 150w Fm 300w Ssb Hf Two Way Radio Amplifier Tc-300 , Find Complete Details about 150w Fm 300w Ssb Hf Two Way Radio Amplifier Tc-300,Two Way Radio Amplifier,Hf Linear Amplifier,Fm Radio Signal Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. We call the product of current gain and voltage gain "power amplification". 12 MHz Amplifier Using A Single Plastic MOSFET (63. The A300 produces 300 Watts of Class A linear power output over the entire frequency range from 300 KHz to 35 MHz. Often no need for ant. LINEAR VHF AMPLIFIERS CLASS "AB" FM/CW/SSB/AM This series of amplifiers is designed for 143 to 149 Mhz 2 meter band operation. Power handling shall be 750W AES, 3000W peak LF, 300W AES, 1200W peak MF + HF. 100-200 mW In 50 watt output N female terminations 13 amp draw. FTC: 20 Hz-20 kHz after preconditioning; both channels driven simultaneously. For use in applications such as a concert, theater, the festivals, etc. Rochester Amateur Radio Association HamFest 2019 Country Store Radios HF Kenwood TS-940S Transceiver Kenwood TL-922A 1kW Linear Amp Kenwood TS-480SAT HF/6m xcvr Yaesu FT 840 HF Transceiver Yaesu FT-757GX HF Transceiver with Yaesu FC-757AT Antenna Tuner Heathkit SB-200 Amplifier Collins 30L-1 Amplifier **3 units available** Collins 312B-4. Also, it is a pretty great product for the price. Categories: AC, HAM, HF, Linear Amplifiers; Additional information; Attachments; Reviews (0) Operating Frequency: 1. 8V powered amplifier which makes it ideal for mobile use. , Bend, Oregon USA ABSTRACT In an earlier article, the author described a 50 MHz 125V 250W class C amplifier using the ARF448A/B high voltage MOSFET devices. Audiophile headphone amplifier kit includes high quality audio grade components such as Burr Brown OPA2134 opamp, ALPS volume control potentiometer, Ti TLE2426 rail splitter, Ultra-Low ESR 220uF/25V Panasonic FM filtering capacitors, High quality WIMA input and decoupling capacitors and Vishay Dale resistors. There are 2777 circuit schematics available. Hybrid Amplifiers. 4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G. HF / 6 m SSB/CW linear power amplifier 300W 1. HF/6m linear amplifier 300W 5" touch screen control band switch HF/6 m power amplifier 1200W for K3SK A 600W broadband HF/6m amplifier using affordable LDMOS devices - 2x MRF300 @ 48V 600W HF/6m linear amplifier using rugged MRF300 transistors - NXP Homebrew RF Design Challenge entry. Analog Devices-. The BLA 350 Linear Amplifier is a high performance amplifier designed for use with all HF transceivers and all modes of transmission. 4-3mhz rf input: 0-10w max pep rf output: -am mode 0-200w (800w pep) -cw mode 0-800w -all digital modes 0-300w adjust rf input dri DX World Electronics March 11 ·. 45W HF Power Amplifier For YASEU FT-817 ICOM IC-703 Elecraft KX3 QRP Ham Radio 4. C: Performance Tests on HLA-305V Amplifier, S/N. Compact high power all mode amplifier with automatic TX/Rx switch and On/Off switch. Brand: Unbranded. For years, I had used a Henry Radio Tempo 2002 tube amplifier that uses a pair of no-longer-available 8874 triodes. 4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G. If there is a sensitivity range switch, set it to the “low” position. In stock 1 Item. 00 shipping. 50 shipping. 1- MFJ 969, 160-6 Meters, 300 Watt Antenna Tuner. 8-30 MHz with LPF This device is designed for use with SDR radios , like ANAN-10, FLEX-1500 or others. AN758 300 WATT HF AMPLIFIER COMPONENT SET. Buy now & save $100. It is especially very convenient for DXpeditions and similar traveling events as well as for station use. the downside is that it costs $700. It is designed to safely withstand up to 300W reflected power, up to 100 milliseconds duration of drive spikes, drive RF "tails" after a PTT or KEY release, operator's inadvertent tuning errors etc. It might be of further interest to describe a higher power version of a linear amplifier which I had reason to design, using two IRFP 150 ,WO12L54F , or other. 00 with FREE SHIPPING (USA-Only) FOR SALE - 140W HF Amplifier Communication-Concept 140w HF Amp Model AN762-140, in enclosure. This MFJ-974B 3. The amplifier can be used across fixed, at-the-halt or mobile applications to improve range and data rates when operating at longer distances or when using lower gain antennas. You are here: Home > Ham > Veel HF zelfbouw schema's. Audio power amplifier circuit diagrams / circuit schematics. One odd thing is the transistors are specified for about 70 watts maximum output per transistor, yet RM Italy calls the HLA-150 a "300 watt PEP" amplifier. Depending on your power supply voltage they have amplifier reference designs in the several hundred watt class. Description: This amplifier was designed by WB2EBY. 0), and 3 (2. 5mm Monitor Link, Connect up to 2 Input Sources at Once. 8 - 30MHz 300W MAX 600W SSB Enquiry Form Please send me more information on R. The HF project was eventually scrapped because of widely varying gain from 160m to 10m. 300w CW/PEP SSB with 18-20w drive; draws 20A at 28Vdc. Oct 12, 2017 - This 300W RF power amplifier for your fm transmitter has 2 x TP9383 transistors. A larger heatsink. Replace Send / Receive Relay with a new one Replace the power cable with a new one Large-capacity capacitor added 4700 μF There are scratches and dirt due to use. (70k - 2MHz) Kits and components Index. 80m/40m 30W Power Amplifier - PY2MG. Racal/Newmar 115-12-35CD 35A Power Supply. VDC to power the pair of 3-500Z-tube amplifier. Abstract: hf class AB power amplifier mosfet RPAP0230M300-AL mosfet HF amplifier 300 watt mosfet amplifier 300 watt hf transistor 12 volt "2-30 mhz" 50 watts amplifier 10mhz CLASS AB MOSFET RF amplifier 300w amplifier. See my other items: Flash Gallery by > > > > The kit includes: PA10-300W power amplifier 10W in, 300W out 1. Optical HF SWR Meter for the Z-Match Tuner While you can use any external SWR meter with the Z-Match tuner including the SWR meter built into most rigs, I built-in an optical SWR meter for convenience. 1-16 of 609 results for "ham amplifier" 300 Watt, 0-650 MHz, Dry. Solid State Amplifiers. 2-Channel Power Amplifier, 800W/Ch. 7 MHz (including WARC bands) and all modes. Abstract: hf class AB power amplifier mosfet RPAP0230M300-AL mosfet HF amplifier 300 watt mosfet amplifier 300 watt hf transistor 12 volt "2-30 mhz" 50 watts amplifier 10mhz CLASS AB MOSFET RF amplifier 300w amplifier. "band" frequency or for an automatic selection from the inner processor. HL-350Vdx 330w 2m VHF Amplifier by Tokyo Hy-Power Labs. If you want to buy cheap vhf linear amplifier 300 watt, choose vhf linear amplifier 300 watt from banggood. Putting Power in the Antenna. VHF linear amplifiers category is a curation of 58 web resources on , 2 m. HF 7W Power Amplifier - ON6MU. 00 shipping. It works great with the Flex Radio, you can use this amp for flex-1500 makes QSOs world wide. An amplifier converts a low voltage or power into a higher voltage or power signal. Marian - 10/19/2009. Tokyo Hy Power HL-400J 24V 1. 8VDC,500MA,2. BRAND NEW TEXAS STAR DX 1600 CW AMPLIFIER AMP 2879 Transistors W/ 4 FAN KIT !! Brand: Texas Star. Solid State RF Amplifier Specifications & Pricing. We have many models ranging from 1. In most respects it is a typical grounded grid linear amplifier, with the exception ofRead More. 2V and the bandwidth is from 4Hz to 4 KHz. With 6 to 8 W input power from SDR it runs solid 300W to your antenna. For more information follow this link: R. Utilizes a tube pre-driver stage and a tube final stage, as in many of the older commercial linear designs. Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio. Harris RF-110A amplifier. 88 108 MHz 40W Wideband RF Amplifier MRF171A. In most respects it is a typical grounded grid linear amplifier, with the exception ofRead More. 130$ 17d Details. 00 Time Remaining: 3h Bid now: 01 2000MHz RF Wide Band Amplifier30dB High Gain Low Noise LNA Amplifier Moduhn $10. Set the source unit volume to 3/4 of full volume. 2-2 The amplifier is equipped with a newly developed band decoder. HF 10W Power Amplifier 50MHz 100W Power Amplifier 50MHz 350W Power Amplifier 2xBLX15 3 MHz to 30 MHz 80W Power Amplifier 144 MHz 125W Power. This scheme yields a power gain of 20db. SMSL SA-36A Pro TPA3118D2DAP Stereo Amplifier 2 x 20W. China Ma-2250 Hf Linear Parts Digital Subwoofer Switching Power Fp8000q Amplifier, Find details about China Fp8000q Amplifier, Digital Power Amplifiers from Ma-2250 Hf Linear Parts Digital Subwoofer Switching Power Fp8000q Amplifier - Guangzhou Tengsheng Audio Equipment Co. We sell not only top quality products, but give our customers a positive online/offline shopping experience. The BLA 350 Linear Amplifier is a high performance amplifier designed for use with all HF transceivers and all modes of transmission. Replace Send / Receive Relay with a new one Replace the power cable with a new one Large-capacity capacitor added 4700 μF There are scratches and dirt due to use. 99 Or $23 /month § for 36 months. KL501 HF AMPLIFIER 1. Amplifier hla-300 hf 300w rm amplifier in goede staat! - 10W in geeft 300w out - van 10 tot en met 160 meter - automatische band Gebruikt Ophalen € 220,00 28 oct. This single board HF/50MHz power amplifier. HF Amplifier Solid State 2000 Watt testing in FM mode, 10 Watt Input, giving 2000 Watt Output using BLF-188XR x 2 , Rugged Design for 1,8-54 Mhz AM , FM , LSB , USB , CW , FSK Input Voltage 220 Volts. 300W RF power amplifier. 8 to 512 MHz and from 10 to 500 watts output. Pulsam M30. Top Rated Seller. The amplifier consists of two completely separate monaural amplifiers each channel has its own power supply, resulting in zero inter-channel cross talk, a common phenomenon in amplifiers sharing the same power supply. 300W 2W 39W 2W 150W 2W 75W 2W 100 W 2W 10W_Amp20191212. Amplifier 300W HF/VHF for SUN SDR2 when the version 1KW ! *****PLEASE, CHECK ALL PREVIOUS TOPICS, BEFORE CREATING A NEW ONE! DUPLICATED TOPICS WILL BE DELETED!*****. 2kva toroidal transformer and 40,000uf of capacitance would have been plenty with a linear supply to exceed that rating. June 14th 2019 Following the IMS 2019 show in Boston MA, and the Satellite Show 2019 in Washington DC, RF-Lambda will be in Paris to participate in EuMw 2019 to support our. Genuine Item-300W 28V HF Amplifier RF AB600P ALAN CTE. Power: 300 W; Frequency: 3 GHz; Rack 19’’3 depth 374 mm; Download the product. The manufacturer warranty is 3-years. qst jun 07. The 4B Cubed is a total package of high-level performance -- it has great clarity and an authoritative bass. By all accounts, this is a great amp, and obviously, works well with the KX3. HF to Six, 1200W Amplifier. Performance of the loudspeaker system with its electronic controller or amplifier shall meet or exceed the following criteria: Frequency response measured 1 metre on axis shall be 50Hz-18kHz ±3dB. The ALS600 and similar amps (100w in, 500-600w out) are about where they "start. Many of these diy Audio Books contain schematics. Browse our daily deals for even more savings! Free shipping on many items!. Supply voltages range from 13 to 50 volts. 2012 Hot Selling 300w Power Amplifier For Ssb Radio Hf Radiotc-300 , Find Complete Details about 2012 Hot Selling 300w Power Amplifier For Ssb Radio Hf Radiotc-300,Power Amplifier For Ssb Radio,Ham Radio Power Amplifier,Power Amplifier For Hf Radio from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. 8V 30A good linear power in 460MHz,it can output 90W,100W encroaching cattle. The max power 100W. Protection unit LDMOS MOSFET amplifier (SWR, current, max out power) BTS660P - Duration: 5:25. 800 2700 MHz. HF Pulsed Amplifier 3GHz – 300W. Also, it is a pretty great product for the price. It is designed to safely withstand up to 300W reflected power, up to 100 milliseconds duration of drive spikes, drive RF “tails” after a PTT or KEY release, operator’s inadvertent tuning errors etc. Categories: AC, HAM, HF, Linear Amplifiers; Additional information; Attachments; Reviews (0) Operating Frequency: 1. For hobbyists and music lovers who are interested to get more audio power from a simple amplifier circuit, here we present this 300 watt power amplifier circuit capable of delivering overloaded 300w RMS over a load of 8 ohms, and over 350 watts with 4 Ohm speakers. High frequency dispersion at -6dB points shall be 70°H x 40°V. Qty is required. I do have another amp and can't tell the difference between them other than this model doesn't have a preamp. Brand: Unbranded. Solid State Amplifiers. 15,12 & 10m bands / 60m band with reduced. Features: Ultra-Fi MOSFETS Circuit maximizing power efficiency while improving sound quality LED power (green) and protect (red) indicators Built-in system diagnostics Preamp RCA outputs to daisy chain multiple amps 3-way protection circuitry (thermal, overload, and speaker short protection) Heavy duty aluminum. BLF278 mosfet HF amplifier datasheet, cross reference, circuit and application notes in pdf format. Home; News; FM Broadcast; TV Pallets; HF Pallets; Amateur Radio; HF Pallets. AN RF POWER LINEAR USING IRF MOSFETS by Lloyd Butler VK5BR (First published in Amateur Radio, November 1989) Here is a 50 watt PEP amplifier,using low priced transistors, which can be used on the lower frequency amateur bands. Add to wishlist Add to Wishlist. The driving power must be between 1 and 5W. The plate-load True Resistance Indicator (TRI) is a powerful tuning aid which, together with the automatically controlled input. com, of which professional audio, video & lighting accounts for 36%, amplifier accounts for 30%, and repeater accounts for 1%. uk 01922 414796, for all your RM-Solid State Amplifier. SD2933 - 300W - 50V HF/VHF DMOS TRANSISTOR, SD2933W, STMicroelectronics. power amplifier designed as a modular add-on to RF-7800W radio systems. 144 MHz 100W Power Amplifier 2xBLY94. qst dec '05. KL501 HF AMPLIFIER 1. 50 shipping. These amplifiers will supply a nominal 200 watts continuous output on all HF bands with only 10 watts of drive. 8-54 MHz with LPF and protection VRF2933. Paradise Datacom 300W Compact Outdoor SSPA C-Band 300W C-Band Standard Frequency Compact Outdoor SSPA. · A full range HF amplifier with 6 way manual band switching. Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio. Voltage and current can be amplified. Unusual Radar Detector - This unique anchient design uses a chopper amplifier DC/DC 12 - +30/-30V (Auto amplifier 4*40W) 55W (Originally 75W) Power Amplifier Updated 60-100W Hi-Fi Power Amplifier 300W Subwoofer Power Amplifier 55W (Originally 75W) Power Amplifier 50 Watt Amplifier 25 Watt MosFet Audio Amplifier Rane. Palstar tuners, speakers, and accessories are for amateur radio operators who demand the highest quality of contemporary engineering designed for Ham Radio. Utilizes a tube pre-driver stage and a tube final stage, as in many of the older commercial linear designs. 14 MHz 25W 2x MOSFET Power Amplifier - F6BCU. It is designed to safely withstand up to 300W reflected power, up to 100 milliseconds duration of drive spikes, drive RF “tails” after a PTT or KEY release, operator’s inadvertent tuning errors etc. 5 watt (2 watt is outer max), which will be amplified to +/- 22 watt respectively. Hombrew project to build an HF linear amplifier whose output is 210W for 16W of drive on 80M and max output is 300W. amplifier KLM - Mirage HF 10080. FA: Ameritron ALS-600 Solid State HF Amp/PS. Type: Linear Amplifier. Your Price $52. 8-30MHz 700W 50MHz HF POWER AMPLIFIER BOARD for LDMOS BLF188XR/XRS. Please let me know if you have one and how Mirage/KLM B-1030G 300 Watt 2Meter Amp. NXP Homebrew RF Design Challenge entry. Supply voltages range from 13 to 50 volts. Ibanez expanded their Promethean combo series this year with the P3115, a 300-watt combo amp with a 15? driver and an HF dome tweeter with a passive crossover. These units do not require any tuning. Connection of antenna is very important for low frequency product , the effect of the antenna will seriously affect HF amplifier effect. solid state linear amp for 33 cm. 300W: 4CX250B: 2kV @ 250mA: A 50 MHz, 250W Amplifier Using Push-Pull ARF448A/B (Class C) 8W: 250W: 2 x ARF 448: 125V: A 300W MOSFET Linear Amplifier for 50 MHz: 10W: 300W: 2 x ARF 448: 80V @ 6A: A Broadband, Solid State Amplifier for HF and 6 Meters (N4IP) 30W: 1000W: 2 x MRF157: 51V @ 42A. The amp uses two IRF510 MOSFETS. This device is designed for use with SDR radios , like ANAN-10, FLEX-1500 or others. 300W LINEAR VHF 6 and 4m NEW. What's inside, all manual pages and shipping crate images. It works great with the Flex Radio, you can use this amp for flex-1500 makes QSOs world wide. Part #230-212 Qty. It is designed to safely withstand up to 300W reflected power, up to 100 milliseconds duration of drive spikes, drive RF “tails” after a PTT or KEY release, operator’s inadvertent tuning errors etc. A Class-AB amplifier combines the linear performance of Class-A with the higher efficiency performance of Class-B, producing a much better amplifier design for loudspeakers used in critical listening environments. 4 kHz 1000 MHz. HF / 6 m SSB/CW linear power amplifier 300W 1. RM KL405 3 30MHz 60w 200w Linear Amplifier Burner PreAmp AM FM SSB CW CB HF RM KL 203P AMP 100 W FM 200W SSB CB HF AMPLIFIER BURNER + PREAMP (300W) Amplifier. personally i did not find this amp good in the mids and highs. Only 1 left!. 5 to 30 MHz. 06 Buy It Now: COMMANDER HF 2500 COMMAND TECHNOLOGIES AMP AMPLIFIER HAM RADIO $1,600. The EB27A HF amplifier is a push-pull linear amplifier for 300 watts of PEP or CW output power across the 2 to 30 MHZ band. amplifier KLM - Mirage HF 10080. 5dB and/or -3dB at 3kHz; Adjustable 4 or 8 Ohms For Low Frequency; Good Match For A 1. See my other items: Flash Gallery by > > > > The kit includes: PA10-300W power amplifier 10W in, 300W out 1. The 5 to 10 W output level is a common standard for portable radios with many commercially available examples. Tokyo Hy Power HL-400J 24V 1. · Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio. 2 KW LDMOS power amplifier boards 1. ICOM IC-7610; SignaLink USB w/ 6-pin mini-DIN cable; Wm1 Autek meter. 8-54MHZ LDMOS LPF BLF188XR WITH PROTECTOR. 2-2 The amplifier is equipped with a newly developed band decoder. 5dB and/or -3dB at 3kHz; Adjustable 4 or 8 Ohms For Low Frequency; Good Match For A 1. It is equipped with a two pieces. Buy Tannoy Gold 8 300W Biamplified Nearfield Studio Monitor (Single) featuring 8" Woofer, 1" High-Frequency Driver, Dual-Concentric Design, 300W Biamped Class-AB Amplifier, Dedicated Trim Control, Low- and High-Frequency Adjustment, Front Firing Port, XLR, 1/4", and 3. 70V Direct Drive EIA, 1% THD. ACOM A1500 HF 6M Power Amplifier 160-10 1500 Watt PEP - 1200 Watt Continuous Carrier. pallet is equipped with input attenuator 10db 100w designed for continuous service (with proper ventilation), a wide copper base ensures a proper heat distribution produced by mosfet amplifier. Get the best deal for Ham & Amateur Radio Amplifiers from the largest online selection at eBay. 8-54 MHz with LPF and protection VRF2933 - $250. In most respects it is a typical grounded grid linear amplifier, with the exception ofRead More. This is the Palomar Skipper 300 amplifier. XFORCE -> SIMPLY THE BEST OF THE BEST!! ALL External Alternator Voltage Regulators Are Now Shipping With Our New Advanced Technology High Speed Circuit Board. HF/6m linear amplifier 300W EB300 MOSFET for OK1CF HF/6m linear amplifier 2400W MRF1K50H 2 pcs water cooling EB104 HF Power Amplifier 1,720 views. Oct 12, 2017 - This 300W RF power amplifier for your fm transmitter has 2 x TP9383 transistors. An exceptionally compact Bass Speaker cabinet in a light weight design with 300W of power handling. Requires bi-amplification via PRO power amplifier. Leslie Model 3300 300-watt 15" Combo with 2-Speed Rotary Horn - Black. This single board HF/50MHz power amplifier. 2007 QST References • Inside the Grounded-Grid Linear Amplifier –W5OLY, Bruene --Oct. 1%, a damping factor greater than 200, input sensitivity of 1. PA-500WH HF amateur radio HF 1. One of Motorola's new high-power transistors developed for single-sideband, the MRF-422, is used in this amplifier design. Designed for busy working musicians, the newly redesigned P3115 is the perfect fit for traveling from venue to venue. 1 This paper now describes an improved. Applications Engineer, Advanced Power Technology, Inc. Bridged amplifier. The amp uses two IRF510 MOSFETS. Ideal base amplifier for the HF bands, the BLA 350 mains powered Solid State amplifier gives a hefty 300 watts output and is simple to drive ! Includes: instant use without setup, over 300 Watts Key-down power, output instant bandswitching, no tuning, no warm-up, SWR protected, quiet variable-speed cooling system, LCD display and front panel LEDs, manual or automatic band selection, possible. The Rf Amplifier For QRP as shown needs 1W only of drive for full output. KL501 HF AMPLIFIER 1. Some circuits would be illegal to operate in most countries and others are dangerous to construct and should not be attempted by the inexperienced. Kit cost me $199. Limited Stock: Electronic parts and equipment that we will no longer be able to acquire. Shop for the Ibanez Promethean P3110 300W 1x10 Bass Combo Amp and receive free shipping on your order and the guaranteed lowest price. Metering the plate, screen, and grid currents of an RF amplifier is an important method of monitoring amplifier operation. PHP 32,431. ru) Chinese Amplifier Revisited. 0), and 3 (2. 6 MHz - 30 MHz 300W Power Amplifier 2xBLF177. All the technical details of this amplifier can easily be obtained from the internet. The high efficinecy Class-H topology delivers higher headroom and lower operating temperature, making it the ideal amplification solution for this active loudspeaker. Rochester Amateur Radio Association HamFest 2019 Country Store Radios HF Kenwood TS-940S Transceiver Kenwood TL-922A 1kW Linear Amp Kenwood TS-480SAT HF/6m xcvr Yaesu FT 840 HF Transceiver Yaesu FT-757GX HF Transceiver with Yaesu FC-757AT Antenna Tuner Heathkit SB-200 Amplifier Collins 30L-1 Amplifier **3 units available** Collins 312B-4. M FJ-993BRT. GX amplifiers deliver just the right amount of power to the most popular speakers used by entertainers. Source from Quanzhou Baojie Electronics Co. Brand: Unbranded. This amplifier combined (4) MRF-247's to produce 300W. The amplifier's output is. Pictures and Specifications of the Midland HF767 Mobile Linear Amplifier / Plaatje en Specificaties van de Midland HF 767 Mobiele Linear. US RM Italy HLA 300V Plus Professional Linear Amplifier With Fans [HLA300vb] - 4 MRF 455 Transistors inside Black face is the same as the blue face model, there's no difference! A full range HF amplifier with automatic or manual band switching. Best Compact Amplifier: IQ Audio M300. A bridge-tied load (BTL), also known as bridged transformerless and bridged mono, is an output configuration for audio amplifiers, a form of impedance bridging used mainly in professional audio & car applications. 2-2 The amplifier is equipped with a newly developed band decoder. The max power 100W. · A full range HF amplifier with 6 way manual band switching. MFJ-994BRT handles 600 Watts -- it. 5 volt to 16 volt battery supply. 8-72MHz for QRP FT-817, KX2, KX3, X5105. JFW 50FH-030-300 300W 30 dB Power Attenuator. Some circuits would be illegal to operate in most countries and others are dangerous to construct and should not be attempted by the inexperienced. 300W or 450W LF / 100W or 200W HF / 300W or 450W Passive. Antonio Equizabal, High Frequency Design, A 300W Power Amplifier for the 88 to 108 MHz FM broadcast Band Frederick H. A 100W LF Class D Amplifier from 13. The amplifier’s decoder changes bands automatically as the data signal is received from the associated HF transceiver’s frequency bands. The high efficinecy Class-H topology delivers higher headroom and lower operating temperature, making it the ideal amplification solution for this active loudspeaker. It works great with the Flex Radio, you can use this amp for flex-1500 makes QSOs world wide. It provides approximately 15dB gain and includes an input attenuator that can be configured to reduce power output of transmitters as needed. Take home audio, for example. PA-500WH HF amateur radio HF 1. 100W RF power amplifier circuit built with 2 BLY94 transistors. We carry devices for base and handheld radios. It also includes the MFJ-4117 BiasTee Power Injector to send DC/RF down your coax. Revolutionary Heat Sink Design for Contest. Replace Send / Receive Relay with a new one Replace the power cable with a new one Large-capacity capacitor added 4700 μF There are scratches and dirt due to use. A full range HF amplifier with automatic or manual band switching. 95 plus $145. Behringer Ultratone KXD12 - 600W 12" Keyboard Amp. 8~30MHz linear amplifier! Maximum SSB p. World's most advanced amateur auto-tuning tube HF amplifier; A2000A covers the 160m~10m (1. The amplifier incorporates various protection circuits such as high VOLTAGE,front mounted LED display. I built a 300 watt per channel amplifier (Class A/B) and included a 1200 watt SMPS supply designed for audio use. 75"D? The answer surprised even us during our review of IQ Audio's M300 monoblock amplifie r. Source from Quanzhou Baojie Electronics Co. A rule of thumb is that doubling the supply will give 4 times the output power. 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Chinese HF Linear Amplifier Revisited – by NT2X (Exclusive for CQDX. 300W: 4CX250B: 2kV @ 250mA: A 50 MHz, 250W Amplifier Using Push-Pull ARF448A/B (Class C) 8W: 250W: 2 x ARF 448: 125V: A 300W MOSFET Linear Amplifier for 50 MHz: 10W: 300W: 2 x ARF 448: 80V @ 6A: A Broadband, Solid State Amplifier for HF and 6 Meters (N4IP) 30W: 1000W: 2 x MRF157: 51V @ 42A. Qty is required. 0 results found. Often no need for ant. It was used for Satellite Communications. cooling ac 80152-sl0-a01 fs honda nsx na1: $112. 0), and 3 (2. HF Projects 5W HF SDR AMP KIT, Amplified Speaker, KENWOOD TH215a HT with accessories; MFJ-993B 300w Auto Antenna Tuner; New Heil PR-10 Mic; Amp Supply LK-500ZB; Johnson Viking Matchbox; COMMANDER VHF 1200 LINEAR AMPLIFIER 6 METERS 50-54 ICOM IC-71A ham band receiver. EMI Preamplifiers. For hobbyists and music lovers who are interested to get more audio power from a simple amplifier circuit, here we present this 300 watt power amplifier circuit capable of delivering overloaded 300w RMS over a load of 8 ohms, and over 350 watts with 4 Ohm speakers. 5 - 30 MHz Supply 230 Vca Input energy/power 800 VA Input power 1 - 14 W Output power 250-300 W Mode. For those users looking to minimize amplifier rack configurations, one amplifier rack with (1) I-T4000 and (3) I-T6000 and 2 NL8 output circuits can power up to: o 4 to 6 VT4889 (2 or 3 boxes per circuits AMPS: HF, MF, LF1, LF2). See my other items: Flash Gallery by > > > > The kit includes: PA10-300W power amplifier 10W in, 300W out 1. the S4 switch in about 2 seconds. Ameritron says that the unit will achieve the rated output power at 14 volts. 8MHz to 54MHz. FOR SALE - 300W HF Amplifier Communication-Concept 300w HF Amp Model EB27A, on heat sink (pallet only, no TR relay). Find great deals on eBay for cb linear amplifier and cb radio linear amplifier. The perfect on-the-go powerhouse for any application. It provides approximately 15dB gain and includes an input attenuator that can be configured to reduce power output of transmitters as needed. A compact audio powerhouse ideal for guitar or PA work or for use as a general-purpose subwoofer or hifi amplifier. 50 shipping. · Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio. Replace Send / Receive Relay with a new one Replace the power cable with a new one Large-capacity capacitor added 4700 μF There are scratches and dirt due to use. 06 Buy It Now: COMMANDER HF 2500 COMMAND TECHNOLOGIES AMP AMPLIFIER HAM RADIO $1,600. Popovic, Nick Pothecary, John F. 8-72MHz for QRP FT-817, KX2, KX3, X5105. 2-2 The amplifier is equipped with a newly developed band decoder. 18: Use SD2942 FM Pallet as replacement. Description. Rated to deliver 150W into 8 ohms and 300W into 4 ohms, the M300 is an. it indicate the currently used frequency. I built a 300 watt per channel amplifier (Class A/B) and included a 1200 watt SMPS supply designed for audio use. Picked up a 2nd FT101E with an AM filter and did Tim's audio mods. Designed, manufactured and assembled entirely the UK, the all new GEMINI linear amplifier is a solid state linear amplifier with 300W output available in 6, 4 and 2m versions. HF / 6 m SSB/CW linear power amplifier 300W 1. Buy Tannoy Gold 8 300W Biamplified Nearfield Studio Monitor (Single) featuring 8" Woofer, 1" High-Frequency Driver, Dual-Concentric Design, 300W Biamped Class-AB Amplifier, Dedicated Trim Control, Low- and High-Frequency Adjustment, Front Firing Port, XLR, 1/4", and 3. BLA350 Plus 300W HF Linear Amplifier (New) 0 out of 5 based on 0 customer ratings 0 reviews Add new review. Our 10 watt HF amplifier kit is designed to increase the power output of low power transmitters. TI delivers a broad portfolio of amplifier ICs including precision, high speed, general purpose, audio, high speed and power operational amplifiers. See my other items: Flash Gallery by > > > > The kit includes: PA10-300W power amplifier 10W in, 300W out 1. Bird 43 RF Wattmeter w/25W HF element. A full range HF amplifier with automatic or manual band switching. Instant use without setup Over 300 Watts Key-down. Replace Send / Receive Relay with a new one Replace the power cable with a new one Large-capacity capacitor added 4700 μF There are scratches and dirt due to use. 00 New - Rca 6166a 7007 Ceramic Rf Beam Power Tube 12kw Radio Amplifier Vhf Hf. By all accounts, this is a great amp, and obviously, works well with the KX3. Time to upgrade, so I. 75eBay determines this price through a machine learned model of the product's sale prices within the last 90 days. Products :: HF Amplifiers, 2m Amplifiers, 6m Amplifiers, Antenna Tuners, Power Supplies Solid State RF Linear Amplifier Engineering Tokyo Hy-Power Product List. amplifier KLM - Mirage HF 10080. 56MHz signal source. HF horn has 2. Electronic. "band" frequency or for an automatic selection from the inner processor. Most of the buyer reviews say that the Yung SD300 300W Class D Subwoofer Plate Amplifier Module No Boost are excellent product. This unique amplifier allows you to fine tune your system's low frequency performance, and at the same time high pass to your mains (or satellites) protecting them from damage due to over excursion. The amplifier consists of two completely separate monaural amplifiers each channel has its own power supply, resulting in zero inter-channel cross talk, a common phenomenon in amplifiers sharing the same power supply. Be prepared and able to communicate in case of emergency with the largest selection at eBay. Type: Power Amplifier. A full range HF amplifier with automatic or manual band switching. Most FET's used in pre-amplifier circuits are depletion devices while those used in very high power amplifiers are mostly of the enhancement types. 8- 30 MHz , covers 160 meters, 80 meters, 40 meters, 20 meters, 15 meters, and 10 meters. A larger heatsink. 95 Special Order : MFJ902B : MFJ MFJ902B: TRAVEL TUNER, 6-80m, 150Watt $113. 8-54 MHz with LPF and protection VRF2933 250$ 09d Details A600 - LDMOS linear amplifier kit 600W 1. 300W HF / 50 MHz VRF2933 / SD2933 power amplifier board with LPF and high speed protection triggers without transistors. on Alibaba. Lightweight portable amplifier 4. 8 to 30MHz, with approx. For use in applications such as a concert, theater, the festivals, etc. New design for 2018 with gray front panel. Technology >> Radio Technology Topics >> Technical Specialties >> Building Equipment >> RF Power Amplifiers Tube Transmitters/Receivers RF Power Amplifiers HF Solid State Amplifiers HF Tube Amplifiers 6M Amplifiers Transceivers Transmitters Receivers Test Equipment Projects Science Fair/Merit Badge Projects VHF Projects Microwave Find A Class Use our class locator to find a class offered in your local area. 9 kHz 220 MHz. REMOTE AUTO TUNER, HF, 300W. category is a curation of 98 web resources on , A Compact 600W Broadband HF Power Amplifier, Adding 160M to HF amplifiers, Restoring an Harris RF-103. WTB: Metron MA1000B manual. Most loudspeaker manufacturers recommend an amplifier with power output equal to the speaker's "Program (Music) Power" rating or two times (2 x) the "Continuous (RMS) Power" rating. Our amplifiers portfolio also includes, instrumentation and differential amplifiers, comparators, current sense amplifiers, pga and vga and special function amplifiers. Available across a wide range of frequencies and power levels, these amplifiers cover most commonly used NMR frequenices. This is a 7th order Chebyshev Low Pass Filter for using after HF power amplifier for removing harmonic. 300W: 4CX250B: 2kV @ 250mA: A 50 MHz, 250W Amplifier Using Push-Pull ARF448A/B (Class C) 8W: 250W: 2 x ARF 448: 125V: A 300W MOSFET Linear Amplifier for 50 MHz: 10W: 300W: 2 x ARF 448: 80V @ 6A: A Broadband, Solid State Amplifier for HF and 6 Meters (N4IP) 30W: 1000W: 2 x MRF157: 51V @ 42A. Discover over 213 of our best selection of Linear Amplifier Kit on AliExpress. Solid state hf & 6m 500w linear power amplifier (27 pages) Amplifier RM Italy BLA350 PLUS User Manual Solid state compact hf 300w linear amplifier (14 pages). (If) I were to buy an amp, I'd rather buy something that really does the job - like a KW. Sevic and Nathan O. With the PTT the device will work best, without working in VOX mode. Products :: HF Amplifiers, 2m Amplifiers, 6m Amplifiers, Antenna Tuners, Power Supplies Solid State RF Linear Amplifier Engineering Tokyo Hy-Power Product List. Figure 1 — Some MicroT2 applications. 300W radio power amplifier for 88 - 108 MHz band. Paradise Datacom 300W Compact Outdoor SSPA C-Band 300W C-Band Standard Frequency Compact Outdoor SSPA. Easy to operate. I was very fortunate in that a nice fellow loaned me his HLA-150 for testing. Commutatore per la selezione della frequenza "banda" di lavoro o per la selezione. RF AMPLIFIER BOARD HF 50MHz 300W for MRF151G or BLF278 0 results. OM4001A HF Linear Amplifier The OM Power model OM4001A is an automatic power amplifier, designed for use on all short wave amateur bands from 1. 8V 500kHz experiments. Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio. TI delivers a broad portfolio of amplifier ICs including precision, high speed, general purpose, audio, high speed and power operational amplifiers. Ideal base amplifier for the HF bands, the BLA 350 mains powered Solid State amplifier gives a hefty 300 watts output and is simple to drive ! Includes: instant use without setup, over 300 Watts Key-down power, output instant bandswitching, no tuning, no warm-up, SWR protected, quiet variable-speed cooling system, LCD display and front panel LEDs, manual or automatic band selection, possible. 2" X about 17",. It has the purest top end I have ever encountered in a solid state amp at anywhere near the price (and way beyond), and a tonal finesse that rivals a fine modern tube amp, especially from. I built a 300 watt per channel amplifier (Class A/B) and included a 1200 watt SMPS supply designed for audio use. the downside is that it costs $700. 300W HF Amplifier. There aren't any "100w in, 300w out" amplifiers on the market. 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Maximum Wattage: 200W-1000W. 150w Fm 300w Ssb Hf Two Way Radio Amplifier Tc-300 , Find Complete Details about 150w Fm 300w Ssb Hf Two Way Radio Amplifier Tc-300,Two Way Radio Amplifier,Hf Linear Amplifier,Fm Radio Signal Amplifier from Amplifier Supplier or Manufacturer-Quanzhou Truest Communication Co. (2) 3-500Z HF AMPLIFIER By William G. This Class-D amp offers more than just reliability. NXP Homebrew RF Design Challenge entry. Recent Listings Manufacturer FM301-108 BLF278 power amplifier blf278 SOCKET HEAD CAP SCREWS 300w fm amplifier application MOSFET transmitters fm 300w amplifier. VHF 300W MRF151G Power Loop Antenna Differential Amplifier Amplifier 144 MHz BJT MRF901 LNA - 88 MHz - 108 MHz 1W FM Power W6IOJ Amplifier Broadband HF Amplifier - W1FB HF 15W MOSFET Power Amplifier - Differential IF Amplifier BFR96 F5VOA High IP3 Norton LNA - AG4R HF 300W VRF151 MOSFET Power 9 MHz IF-Amplifier 32dBm-IP3 - Amplifier N6NWP 144. 8KG , 1 U thin design 4. 300W class-D, Fast Recovery LF amp/100W HF amp Ultrawide, smooth dispersion via multi-cell horn aperture and HF waveguide Built-in phase-accurate 24dB Linkwitz-Riley electronic crossover Mackie Active Electronic time alignment, phase correction and EQ for studio quality sound Mic/line input and pass-thru connector. 8 to 512 MHz and from 10 to 500 watts output. We carry devices for base and handheld radios. 8-54 MHz with LPF and protection VRF2933 - $349. HF POWER AMPLIFIER KIT MOSFET VRF2933 LPF 300W 1. 300w CW/PEP SSB with 18-20w drive; draws 20A at 28Vdc. Our 10 watt HF amplifier kit is designed to increase the power output of low power transmitters. 6 MHz - 30 MHz 300W Power Amplifier 2xBLF177. __ Contact: IQ Technologies. This world-class compact 2. Oct 12, 2017 - This 300W RF power amplifier for your fm transmitter has 2 x TP9383 transistors. 300W class-D, Fast Recovery LF amp/100W HF amp Ultrawide, smooth dispersion via multi-cell horn aperture and HF waveguide Built-in phase-accurate 24dB Linkwitz-Riley electronic crossover Mackie Active Electronic time alignment, phase correction and EQ for studio quality sound Mic/line input and pass-thru connector. Solid State 300W HF linear amplifier. Hifonics BRX2016. We are pleased to announce that the LA-1K far. This is a well built amplifier and works great showing full output 450-600 watts depending what band! $799. EB104 HF Power Amplifier 5,799 views. HF POWER AMPLIFIER KIT MOSFET VRF2933 LPF 300W 1. 10W HF Amplifier Parts Identification 4 10W_Amp20191212. 58Hz - 31kHz. For use in applications such as a concert, theater, the festivals, etc. 144 MHz 100W Linear Power Amplifier. Crescend 403-450 MHz 50W Out Amplifier (P5-R1UL1-C5-001) CRESCEND 403-450 MHz Broadband Repeater Power Amplifier. Often no need for ant. Bridged amplifier. An amplifier that is both user-friendly, and that looks after itself. This model PA150 amplifier has outstanding performance in its class and represents truly exception value for money. Popovic, Nick Pothecary, John F. The amplifier can be also used as a sub woofer amplifier but a subwoofer filter stage has to be added before the input stage. The A600 is a 600W HF/VHF linear amplifier using rugged MRF300 LDMOS transistors. Most FET's used in pre-amplifier circuits are depletion devices while those used in very high power amplifiers are mostly of the enhancement types. The ACOM1500 is a complete and self-contained linear amplifier that covers all amateur bands from 1. 6 MHz - 30 MHz 300W Power Amplifier 2xBLF177. 8-54 MHz LDMOS BLF188XR with copper plate. CD/cc (-RN) - Continuous-duty, rack-mount, medium-power amplifiers. 53 Reference, HF intermodulation spectrum, DC–24kHz, 19+20kHz at 300W peak into 4 ohms (with AP low-pass filter, linear frequency scale). Designed to fill a market gap between the low power outputs of transverters and smaller rigs and the 1kW plus amplifiers that not all users want or can afford the Gemini. new pallet amplifier for hf selection, output power 1kw 1. As a measure of sound intensity, a zero-decibel (0 dB), reference is considered to be the lowest level audible to the human ear; the speaking voice of most. 5kg (12lbs) solid state 1kW linear amplifier for HF and 6 meter bands. MSRP: $1,495/pair | More Info. If you have a straight 40 channel AM-only radio then you can pretty much purchase any of the CB amplifiers on the market; however if you intend to use your amplifier for SSB you'll need to look at a. 8 to 512 MHz and from 10 to 500 watts output. 8MHz~30MHz 300W HF Linear Amplifier Used. Comet CAT 300 | HF/50MHz Antenna Tuner | LAMCO Barnsley £ 199. 0), and 3 (2. There aren't any "100w in, 300w out" amplifiers on the market. The amplifier as circuit strengthens the tendency of signal with concrete aid, depending on the frequency of signal. BLF278 Mosfet has been discontinued; we have sold all of our inventory. This world-class compact 2. 8-30 MHz with LPF This device is designed for use with SDR radios , like ANAN-10, FLEX-1500 or others. VHF 300W MRF151G Power Loop Antenna Differential Amplifier Amplifier 144 MHz BJT MRF901 LNA - 88 MHz - 108 MHz 1W FM Power W6IOJ Amplifier Broadband HF Amplifier - W1FB HF 15W MOSFET Power Amplifier - Differential IF Amplifier BFR96 F5VOA High IP3 Norton LNA - AG4R HF 300W VRF151 MOSFET Power 9 MHz IF-Amplifier 32dBm-IP3 - Amplifier N6NWP 144. 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm Signal Generator 23cm Double Quad 23cm filters It's been a while since I built an amp for HF; I'd have to go back to the 60's and a pair of the venerable 3-500z tubes that I put together back then. Mirage/KLM B2530G 300Watt 2 meter AMP. · Frequency : 1. 5-30MHz (160,80,40,30,20,17. 300W LM3886 Power Amp After I built several LM3875 and LM3886 gainclone amplifiers, I was totally impressed by their audiophile sound quality. 2 kw HF Amplifier Deck 1. 95 * Buy It. 8 to 30MHz, with approx. 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