QTH.COM Ham Radio Classified Ads: AMPHF - Swap amateur radio HF VHF equipment buy sell trade on line

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 Thanks 73; Listing #1752323 - Submitted on 12/10/25 by Callsign W4LLR, Modified on 12/14/25 - IP: h12.234.23.98.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Nye Viking Rf Power Monitor watt meter: Nye Viking Rf Power Monitor works as it should it comes with a 5000 watt coupler and power supply Accurate... "auto calculating" SWR meter... supports multiple couplers... autoranging 30/300 or 300/3Kw depending on the coupler. Average... Peak... or Peak Hold readings with selectable hold time. Amplifier lock out if certain parameters (reflected power or SWR) exceeded. Lighted dual meters. $300 shipped Thanks 73; Listing #1752324 - Submitted on 12/10/25 by Callsign W4LLR, Modified on 12/14/25 - IP: h12.234.23.98.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
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.
Prefer local sale since shipping is so high.
Check out my items and very good Feedback, too!
email to jtg4300 at yahoo.com
73, WA1BRI
J. Griffin; Listing #1752727 - Submitted on 12/14/25 by Callsign WA1BRI - IP: 47-199-186-130.fdr01.stgr.fl.ip.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
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 12/14/25 - IP: h127.74.141.67.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
heathkit sb 200: for sale heathkit sb 200 amplifier in good and operating condition
has all the mods, wired for 220 volts
great amp never a problem with it, around 600 watts in cw tune mode
everything functions as it should, great set of 572b's
650.00 shipped and insured ups paypal; Listing #1752522 - Submitted on 12/12/25 by Callsign KC9DZ, Modified on 12/14/25 - IP: c-68-45-190-179.hsd1.in.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
SUPER SIZE VAC VAR 2000PF, 15KV: Building a big tuner or amp? Here is a heavy duty vacuum which weighs 16 # and has a long 1/4 inch shaft, turns freely $ 185 shipped . k4ktm
919 818 7538; Listing #1752680 - Submitted on 12/14/25 by Callsign K4KTM - IP: syn-096-059-230-138.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
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.

Newest Hardware and Software. $199 plus $10 shipping.; Listing #1752674 - Submitted on 12/14/25 by Callsign KV5J, Web Site: http://www.kv5j.com - IP: 66.11.124.175; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
ACOM 1200S: ACOM 1200S SOLID STATE AUTO TUNE AMPLIFIER. 6 METERS PLUS HF 10M TO 160M. MINT CONDITION.IN AIR CONDITIONED ROOM, NON SMOKING AND DUST FREE ENVIRONMENT. FULL POWER, ORIGINAL BOXING AND MANUEL, 220 POWER CORD INCLUDED. ONLY USED SPARINGLY--VERY LOW RUN TIME. NO DEFECTS OR SCRATCHES. ONLY SELLING CAUSE I WENT ALL FLEX STATION.
$3,950.00; Listing #1745080 - Submitted on 10/04/25 by Callsign K5DZY, Modified on 12/13/25 - IP: ip70-172-248-106.br.br.cox.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Heathkit SB-201: Heathkit Amp SB-201. Silent key larry past 2 weeks ago. NX3G Working before removing from Shack, very clean $325. Pickup in So. Fl. No 10 meters; Listing #1752658 - Submitted on 12/13/25 by Callsign N4XJQ - IP: c-98-208-162-109.hsd1.fl.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Ameritron ASL-1306 Solid State Amplifier: BRAND NEW STILL IN ORIGINAL BOXES. Wired for 240, the way it was shipped. Put it inline once, worked awesome, full power with only 65 watts. Been boxed every since. Asking $2400.00 (includes shipping) to lower 48 only. Priced to move! PAYMENT METHOD IS TO BE BANK CERTIFIED CHECK OR POSTAL MONEY ORDER ONLY. If you pick it up, only cash will be accepted.; Listing #1752652 - Submitted on 12/13/25 by Callsign W0LOU - IP: 64-15-84-22.fidnet.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend