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HF Amplifiers

Displaying ads 1 to 10 of 229 ads in this category.
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  SB-200 6 METER CONVERSION AMPLIFIER  
2

AD WILL DELETE WHEN SOLD
EMAIL ONLY VIA QTH
350-500 watt output depending on input
PICK UP ONLY IN TAMPA
I would consider driving up to 1/2 way, up to 25 miles to meet
Will consider meeting 1/2 way or up to 50 miles
$400 OBO
Cosmetics are ok but far from perfect
Needs new risers installed which will be included
I will include a new set of 4 risers & feet


Listing #1753584 - Submitted on 12/24/25 by Callsign K4WSB, Modified on 12/25/25 - IP: 47-199-233-65.fdr01.tmtr.fl.ip.frontiernet.net
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 FS: SBE SB-2LA   
SBE SB2-LA amplifier. 80 to 15 meters, add single pole switch for 10 meters. 6 sweep tubes produces 750 watts PEP out. Compatible amp is MFJ AL-811 four tube, Smae power as this amp but tubes do not last more than 3 years as sweep tubes lasts at least 20 years and MFJ amp is at least $800. Due the math. Have manual. Looks new and new tubes installed. $495 plus shipping

Listing #1753336 - Submitted on 12/21/25 by Callsign N8FVJ, Modified on 12/25/25 - IP: 71-214-106-17.orlf.qwest.net
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 PLATE TRANSFORMER  
I have a known good tested plate transformer out of a ten tec titan 2 (416) that i would like to swap for a known good transformer out of a amp supply lk500zc . Email me if you have what i need and lets talk

Listing #1753658 - Submitted on 12/24/25 by Callsign KG4WPW - IP: 18.sub-174-218-52.myvzw.com
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 Flex PGXL, TGXL, MORE  
Flex PGXL Amplifier and Flex TGXL Auto Tuner $6400 Shipped to Eastern US
Flex 3000 $500
Icom IC92AD w/GPS mic, charger, 2 batt. $475
IC-706MkiiG $600
IC-706Mk11 $500
Rigblaster Blue $75
Icom AH-4 auto tuner $200
Icom AH-2b & 102" Whip $200
811 tubes 2-ea $75pr
You pay shipping unless stated otherwise
Open to offers. Text 706-498-5871.


Listing #1747808 - Submitted on 10/29/25 by Callsign NT4OM, Modified on 12/24/25 - IP: syn-097-089-029-018.res.spectrum.com
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 Display Unit for Elecraft's KPA500   

Digital Display Unit for Elecraft's KPA500

A compact, easy to read KPA500 Digital Display Unit (DDU). It allows the monitoring of five crucial readings all at the same time.

The DDU measures only 4X4X2 with an easy to read 2 line display that can be located at the operating position and the KPA500 located up to 100 feet away.

The DDU is designed with the following features:

Easy to read 2 line display
No USB or serial cable to computer
No com port in Windows to manage
No computer needed
Plug and Play
Simply connect the supplied DC power cable to power supply and PC data jumper cable to the KPA500
Retains all functions of the KPA500 front panel
All displayed info obtained directly from the KPA500

All cables supplied. Easy setup.

Only 1 left.

Newest Hardware and Software. $199 plus $10 shipping.



Listing #1753609 - Submitted on 12/24/25 by Callsign KV5J, Web Site: http://www.kv5j.com - IP: customer.mmmiflx1.isp.starlink.com
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 QRO-HF-2000 Amp $2200/ Can Not Ship  
QRO HF-2000 Amp 100% Working 160 to 10 Meters > Tubes are TWO >3-500ZG > with about 30 Hrs of Use > 4100V Volts on the plate > Legal Limit ++ ,wired for 220 V . I have the boxes but do not want to ship this is about 65 Lbs > Comes with the work sheets and Manual .
Have 2 3-500z Pull tubes U can Have with the amp > Has to be picked Up at My location U can try it out or can Meet at Lynchburg VA < Sorry can not drive far at this Time > MERRY XMISS TO ALL


Listing #1753606 - Submitted on 12/24/25 by Callsign K2BUR - IP: 172.59.114.158
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 Ameritron ARB-704  
Ameritron 704 This is a Buffer that goes in the key line going to your amp to protect you radio it works as it should have two of these left you can buy one or buy them both for $75.00 each shipped i accept check or a money order from the us post office. i dont have PayPal or Venmo Thanks 73

Listing #1753203 - Submitted on 12/19/25 by Callsign W4LLR, Modified on 12/24/25 - IP: h12.234.23.98.dynamic.ip.windstream.net
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 FOR SALE: SB-220/221 Multimeter  
Monitors Plate Voltage, Grid Current, and Relative Power. This meter could possibly fit other Heathkit models. It's in pretty good condition with some light scuffing on the lens.. It comes with the original box as packed in the container from Heath. Asking price is $55 shipped. For more information, please reply via email or phone calls only, no texting.. Thanks, Nick Gans KM5FL

Listing #1751124 - Submitted on 11/29/25 by Callsign KM5FL, Modified on 12/24/25 - IP: h127.74.141.67.dynamic.ip.windstream.net
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 Acom 600S HF Solid State Amplifier   
Nice Acom 600s solid state amplifier. Currently wired 220v. Peaks over 400 watts SSB on 75 meters with 8 watts drive from my IC-705. Nice amp. Works flawlessly. $1950 shipped in original box by FedEx ground. Zelle preferred but PayPal ok.

Listing #1753579 - Submitted on 12/24/25 by Callsign WB1AFK - IP: mobile-107-77-224-158.mobile.att.net
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 Al 1300
Very low use amp. I have original box, manual and cover.no dings dents or scratches on this amp.You want be dissapointed. I would keep but medical issues I'm forced to sale. Pick up only as i can't ship with my condition. $1400.OBO.Any questions call or email.

Listing #1753561 - Submitted on 12/23/25 by Callsign AE4BC - IP: 72-11-53-181-dynamic.northstate.net
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