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HF Amplifiers

Displaying ads 101 to 110 of 230 ads in this category.
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 Knwd 922A mostly working  
Knwd 922A over 1000 invested.
Band-switch was burned (Mouse turds )at 160 M contacts.. Almost 200 for new switch.
Works all bands, but not on 3KV setting. 2KV fine. Not modified for higher bands.
I used a modified Valiant for those bands and a K7DYY for 160 and 80.
Photos attached.
Asking 650 for best offer. Must be local pickup in Holden, MA 01520 .


Listing #1750835 - Submitted on 11/26/25 by Callsign N9PVF - IP: syn-075-133-184-248.res.spectrum.com
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 WANT kenwood TL-120 amp
matches the TS-120V and 130V. Anyone have one gathering dust?
Hadassah
WA3JPG


Listing #1750812 - Submitted on 11/26/25 by Callsign WA3JPG - IP: syn-035-151-061-148.res.spectrum.com
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 MFJ-1020C Active Antenna as-is   
From an SK estate, here is an MFJ-1020C. Comes with wall wart and telescoping antenna. Lights up but does not work. Sold AS-IS, no returns. Proceeds go to the Schofield Middle School Radio Club N4SMS. $40.00 shipped continental usa. Zelle, your check, or money order for payment.

Listing #1750788 - Submitted on 11/26/25 by Callsign KP2L - IP: 45-16-73-92.lightspeed.tukrga.sbcglobal.net
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 FS: ACOM 600S solid state amplifier  
I have for sale this nice working Acom 600S amplifier. 600-watts solid state amplifier.
$2100 payment via zelle, money order, or check.


Listing #1750787 - Submitted on 11/26/25 by Callsign K2ZZ - IP: pool-71-172-55-72.nwrknj.fios.verizon.net
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 SPE Expert 1.5K   
Original owner, going to upgrade to a Taurus. This has been back to Bob for warranty. He replaced transistor and did a bunch of factory updates. That was about 3-4 years ago. It works very nicely.
$4500 shipped.
Sorry no Paypal, Check or Zelle is fine.
Thanks, 73
Tony N7ZS
QRZ contact info is best


Listing #1750779 - Submitted on 11/26/25 by Callsign N7ZS - IP: 104-181-75-17.lightspeed.renonv.sbcglobal.net
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 FS: RF-Kit RF2K-S Amplifier  
[SALE PENDING] RF2K-S for sale in perfect cosmetic and operating condition. Late model, low operating time. Zero issues. Single owner, non-smoker. Includes power cord, custom cover and user-printed manual. $5100 shipped CONUS. New, these amps are $6130 + tax. Payment by US Postal Money Order, Zelle, or check. Ships after any form of paper money clears. No trades. I have 11 HF amplifiers - thinning out the collection. Not interested in any other offers at this time. Ad will be removed when sold.

Listing #1747870 - Submitted on 10/30/25 by Callsign W9AC, Modified on 11/24/25, Web Site: http://www.w9ac.com - IP: 204.1.21.181
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 Ameritron AL-80B with ICP-240  
$950.00 Ham Radio 1000 watt amplifier. Ameritron AL-80B to include ICP-240 In-Rush Current Protection Outlet. This amp has been tested by a local radio club and is in excellent condition. Very clean. This amp has only had one owner who is the original owner. Available for local pickup in Countryside area of Northern Clearwater. If shipped, we can negotiate on shipping costs.

Listing #1750630 - Submitted on 11/24/25 by Callsign W2SUB - IP: 47-205-201-45.fdr01.cnsd.fl.ip.frontiernet.net
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 FS: ENI 500LA RF Power Amplifier  
Like NEW, have two ENI 500LA RF Power Amplifier, 27dB, 1.5-520MHzThe 500LA is a 520 MHz 3 Watt RF Amplifier from ENI. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more. Frequency Range: 1.5 MHz to 520 MHz. 27 dB gain (nominal)Works into any load impedance 50 Ohm impedance BNC(f) connectors, input/output 120/240 VAC. Asking $200 each plus shipping.


Listing #1750601 - Submitted on 11/24/25 by Callsign W1JCW - IP: 23-92-13-217.wirestar.net.wirestar.net
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 AMERITRON AL 1200  
Ameritron AL 1200 in very good overall condition operating as it should .
Pickup only-02818
$1250


Listing #1750591 - Submitted on 11/24/25 by Callsign N1MAA - IP: 124.sub-174-192-10.myvzw.com
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 Delcon T210 Amplifier with power supply   
I have a Delcon T210 Amplifier. PS210 Power supply.
Have a complete extra RF deck to go with it.
Have the original manual.
Amp does Power up, but there is no output.
I also have some extra tubes, but I'm not sure if they are good.
Would rather not ship due to age.
Up for a trade, or 1200.00.
Thanks for looking.


Listing #1750581 - Submitted on 11/24/25 by Callsign NI4L, Web Site: https://www.ni4l.com - IP: 172.58.54.245
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