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

Hi power amplifier/tuner parts: Left to right , 15 kv 2000pf vacuum cap, 15 kv rectifier bank, 18 uh roller, 43 uh roller, twin 220pf est 5kv air variable. Testing interest
in this as a package or separate, all F.O.B. 34689. Cash or cash equivalents. Est. shipping at 25 usd each.Thanks for looking; Listing #1746870 - Submitted on 10/20/25 by Callsign K4KTM - IP: syn-096-059-230-138.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For Sale: 2X813 amp: Homebrew 10-80 meter amp with two 813 tubes, tuned input, continuous output tuning (roller inductor), Peter Dahl transformer, and rack mount. Output is 500-700 watts depending on band and will do more but that is about where I ran it. I plan to be at the Lawrenceville, Ga hamfest boneyard in a couple of weeks. If you are interested, drop me an email and will send more pictures. $400 and if you pick it up in Birmingham, I'll include a full-size rack on wheels.; Listing #1746773 - Submitted on 10/19/25 by Callsign AA4PG, Modified on 10/20/25, Web Site: http://cahabatechnology.com/aa4pg.html - IP: syn-024-181-123-146.biz.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
KW Amp Wanted: Looking for a KW amp in good working order within a 4-5 hour drive of Kansas City, MO. Prefer a tube-type. Thanks !; Listing #1746851 - Submitted on 10/20/25 by Callsign W0COH - IP: 38.2.41.5; Click to Contact -- Send this Ad to a Friend
TRANSCO REMOTE HI_PWR SWITCHES: I have several remote multi_postion and transfer switches, $110 to $160.
All connecters and all units are clean. Pics on request. Exc specs and power handling; Listing #1746805 - Submitted on 10/19/25 by Callsign W6OD - IP: 107-214-149-221.lightspeed.sntcca.sbcglobal.net; Click to Contact -- Send this Ad to a Friend
FS: HAM LAMP WITH HIGH POWER TUBE: For Sale: Nice Ham Radio Lamp on walnut base. See photo.
Great addition to your Shack!!
Comes with High Power tube 4-400; see photo for example.
The filament lights up under 5VAC test and it passes all HI-POT tests with 1kv.
Comes with a new black fabric shade. Shade is proper size for the tube, but camera angle makes it look larger than real life.
The wood base is also new and finished with 2 coats of Spar Varnish.
It has been accurately drilled for the Jumbo 5 pin tubes like this one, the 3-500Z, 5867 and similar.
The base has felt pads to protect equipment and tables.
New Lamp socket is standard Edison base.
Will include a laminated label with your Callsign for the base, if you like.
Email me for more photos.
$55.00 plus $13.00 shipping in the CONUS.
If you do not need the tube, you can have the rest for $44.00 shipped.
Will be well protected.
USPS MO, your check or PayPal to: jtg4300 at yahoo.com
See my Feedback & other ads for Drake, Simpson, Scope Probe & other gear.; Listing #1746048 - Submitted on 10/12/25 by Callsign WA1BRI, Modified on 10/19/25 - IP: 47-199-174-249.fdr01.stgr.fl.ip.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For Sale Ameritron AL-80A: Ameritron AL-80A nice condition. It has Led bulbs and comes with a spare tube. No shipping, local pick up or meet within reasonable distance. $1000.00; Listing #1746785 - Submitted on 10/19/25 by Callsign N4MNK - IP: syn-024-211-224-230.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Acom 1000 HF/6m Amplifier: Very clean and full rated output
Original box, manual and optional accessory fan
Currently wired for 240v
******
Local pickup prefered
$1865; Listing #1746715 - Submitted on 10/18/25 by Callsign W8UAB, Modified on 10/19/25, Web Site: https://swap.qth.com/search-results.php?keywords=W8UAB&fieldtosearch=Call - IP: 104-169-198-75.bng02.nrwl.oh.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Display Unit for Elecraft's KPA500: The 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

Newest Hardware and Software. $199 plus $10 shipping.; Listing #1744811 - Submitted on 10/01/25 by Callsign KV5J, Modified on 10/18/25 - IP: 172.56.65.250; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE: HARDROCK50+ tuner+705 interfac: Hi folks. Decided to sell my Hardrock 50 with tuner and 705 interface . I have only occasionally used it . I am the original owner and have over 50 years in the radio electronics industry as an engineer.
Offering it at $450. Or offer. Located in northern Illinois. Shipping is possible. Serious buyers please contact me for additional pictures.
73
Kb9qfi
Tony; Listing #1746718 - Submitted on 10/18/25 by Callsign KB9QFI - IP: syn-023-087-009-126.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Amp Supply LK500ZC: Amp Supply LK-500ZC
LOCAL PICKUP ONLY in NorthWest NJ 07825.
I will arrange to demo it for you on pickup.
PayPal is fine. Discount for Cash.
Solid 2-tube 3-500Z amp, covers 160 to 10 meters.
Excellent condition. Recently replaced 3-500C (3-500ZG) tubes. (old photo)
Step start Harbach board
Updated Metal Oxide resistors in parasitic suppressors.
C-Core (Hypersil) Transformer
updated Harbach HV board with 8 capacitors
updated fan for quiet operation includes Hi/Lo switch
updated HV choke with Ameritron RFC3
heavy duty anode homebrew caps
Wired for 120 VAC can be wired for 240VAC - includes the factory jumper.
~1300W output max; less on 10m.
$1500; Listing #1746714 - Submitted on 10/18/25 by Callsign AB2NI - IP: ool-ad03d8f4.dyn.optonline.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend