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HF Amplifiers

Displaying ads 11 to 20 of 205 ads in this category.
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 ACOM-1000 v2 with 2KW Palstar Tuner  
Selling a clean working ACOM-1000 v2 RF amplifier with spare used tube and the factory box. Also has the optional external fan mounted. Asking $2250 Also have a clean Palstar AT2KD antenna tuner to sell, $300 . Selling for a local Ham friend of mine. Local pickup required at this time, Western NY area. I can provide more pictures. Cash and carry only. Tnx, John

Listing #1765564 - Submitted on 04/20/26 by Callsign KW2JR - IP: syn-098-004-037-204.res.spectrum.com
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 FS: Tokyo HL-200BDX Mobile HF Amplifier
I have for sale this excellent condition Tokyo HL-200bdx 200-watts HF amplifier. The amp comes with power cord and remote head with cable.
It has selectable power input levels.
Price is $900


Listing #1765551 - Submitted on 04/20/26 by Callsign K2ZZ - IP: 172.59.209.38
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 For Sale: DX World 500 watt Amp  
For sale DX World Electronis 500 watt LDMOS amp, 5 watts in gets 500 watts out, in excellent condition, no scratches, has not been around tobacco smoke. Price: $1150. Pickup or meet in the Indianapolis, Cincinnati or Dayton area. ** NO SHIPPING **
.
This is a low drive amp, was used with a Hermes-Lite 2.
.
It requires a 48 volt power supply or battery, similar to a Mercury-Lite.
.
*** Could deliver to Hamvention/Xenia on May 15 or 16 if paid for 1st (now). ***
Payment by Zelle (preferred), money order, check or cash. No PayPal.
.
Per QTH rules contact me thru this site not direct email. Click on "Click to Contact" below. or call my phone.
.


Listing #1765499 - Submitted on 04/19/26 by Callsign N9VX, Modified on 04/20/26 - IP: 46-110-46-0-179.metronet.net
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 Elecraft KPA1500 display with WiFi  

KPA1500 OLED Display Monitor

This unit gives your KPA1500 the display it deserves. This plug-in 256x64 OLED unit shows real-time forward power (to 2000W), PA voltage,
PA current, SWR, temperature, and band — right on your amp,
always visible no matter what mode you're in.

Peak-hold power display with bar graphs on every channel. Live
serial data via onboard MAX3232 RS-232 interface. Runs on a
switching regulator — stays cool even at full load. Powered
directly from your KPA1500 accessory port. Easy installation,
no modifications to your amp required. Firmware updates over
the air — no USB cable ever needed to update the unit.

BONUS: A full WiFi web control panel is included FREE with every
unit. Power on/off, operate/standby, band select, ATU tune, ATU
in/bypass, fan speed, fault detection and clear — all from any
browser on your network or anywhere remotely via Tailscale.
Software is built in the display unit.

$239.99 plus $10 shipping PP




Listing #1765489 - Submitted on 04/19/26 by Callsign KV5J, Modified on 04/20/26, Web Site: http://www.kv5j.com - IP: mobile-107-77-196-63.mobile.att.net
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 WTB ALS-1306 or ALS-606 AMPLIFIER
I would like to buy, or trade for ALS-1306 or ALS-606 Amplifier. Amp should be in 100% working order and look good. Face to face only. Reasonable distance from Scottsboro, Al. Thanks!

Listing #1765527 - Submitted on 04/20/26 by Callsign K4QJL - IP: 139.180.232.23
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 Micro PA50+
Output Power: Up to 45–50W
Input Power: 1–5W (ideal for QRP rigs like FT-817/818, Xiegu, QRP Labs, etc.) I used it with my KX2 and it works great. No key cable required just keys up from RF
Frequency Range: 80m–10m (3.5–30 MHz)
Built-in LPF for harmonic suppression
Compact Size: Great for portable/field use (POTA, SOTA, or mobile ops)
Cooling: Integrated fan for thermal protection
Power Supply: 13.8V DC (6–10A recommended)
Asking 175 shipped conus
Paypal,venmo, zelle is fine (zelle prefered)
All emails direct not using qth system will be ignored


Listing #1765526 - Submitted on 04/20/26 by Callsign W4BGA - IP: 155.190.21.7
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 Alpha 91b parts or repair  
This amp faults out ,usually during the warmup period .I have hipot tested everything I could think of and can’t find a problem. It doesn’t always do it and then it will work normally .I am nearly 100 percent sure it’s the tubes. So if you need parts or think you can fix it ,let’s make a deal. It’s heavy so I am not inclined to ship it. I will work with you to get it to you.
I am in Trenton Florida 32693 $800


Listing #1765501 - Submitted on 04/19/26 by Callsign WW4B - IP: 209.71.1.33
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 WTB: DUD 4-400, 3-500 OR SIMILAR TUBES   
WANTED FOR PROJECT;
BURNED OUT, OPEN FILAMENT OR GASSY 5 PIN POWER TUBES LIKE THE 4-400, 3-500, 5867 OR SIMILAR TUBES. 304TL/H 4 PIN TUBES ALSO NEEDED.
Can do a check, USPS MO or PayPal.
If you are going to TARC this Saturday, bring dome DUDS!!! Thank you.
Prefer local sale since shipping is so high, but ship is OK.
Check out my items and very good Feedback, too!
email to jtg4300 at yahoo.com
73, WA1BRI
J. Griffin


Listing #1765492 - Submitted on 04/19/26 by Callsign WA1BRI - IP: 47-199-186-130.fdr01.stgr.fl.ip.frontiernet.net
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 SPE Amp to Yaesu Cable  
$50/shipped no Paypal.
Dan Tassell cable I was using on my Yaesu FTDX10. Sold my radio. Used with Expert 1.3 but will work on all of them.
73-Jim


Listing #1765484 - Submitted on 04/19/26 by Callsign KC1TQN - IP: syn-024-177-141-194.res.spectrum.com
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 want to buy a TenTec centurion manual
I would like to buy a TenTec centurion manual. Thanks..k4tue

Listing #1765477 - Submitted on 04/19/26 by Callsign K4TUE - IP: 107-196-93-8.lightspeed.knvltn.sbcglobal.net
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