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

Amperex 4-250 Transmitting Tube For Sale: Amperex 4-250 Transmitting Tube For Sale:
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The Amperex 4-250 / 5022 is a high power
transmitting tube, very closely related to
the well known 4-400, and a cousin to the
3-500. It fits the same socket as the 4-400
and 3-500.
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The major difference between the 4-250 and
4-400 is that the 4-250 has 250 watts of plate
dissipation, while the 4-400 has 400 watts.
They usually can be used interchangeably as
long as the plate dissipation is not exceeded.
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Weak 4-250
This 4-250 has low output.
It is not dead or shorted, but simply has low output.
It would be ideal for testing an amplifier. It is
NOT dead.
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Only $19 plus shipping from Florida.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1753391 - Submitted on 12/21/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Send this Ad to a Friend
6CL6 tubes For Sale: 6CL6 tubes For Sale:
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I found a stash of 6CL6 tubes. These are NOS.
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The 6CL6 is used as a driver tube in some of the
hybrid rigs, plus many of the older vintage rigs.
Many have found that low power output in these
rigs is due to a weak 6CL6 instead of weak finals.
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Buy these for only $8 each, plus shipping from Florida.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1753390 - Submitted on 12/21/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Eimac 8874 Tubes: Tested for full power out - lightly used. Sold my PA so no longer need these spares.
$425 each or all three for $900 (obo). Good on QRZ.; Listing #1753287 - Submitted on 12/20/25 by Callsign K1FIE - IP: c-50-189-24-238.unallocated.comcastbusiness.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Wtb 3cx3000a7 chimney and socket: Wtb 3cx3000a7 chimney
Also there was a guy in Ukraine made sockets
For the 3000a7 I’d buy one of could locate
That style socket
Thanks
Kc9nap; Listing #1753239 - Submitted on 12/20/25 by Callsign KC9NAP - IP: 172.56.249.209; Click to Contact -- Send this Ad to a Friend
8BN8 for Drake 2B: 8BN8 AVAILABLE AGAIN Winter 2025 - 8BN8 tube NOS for Drake 2B. Brand may vary from illustration. Boxes a bit ragged from age and storage. I install each of these in my 2B to make sure it functions. YMMV. $17.99 each includes shipping to ConUS. Outside of US contact me first. Drake 2B owners should have a spare or two. Checks ok from QRZ verified hams. Paypal accepted. Order soon - my supply won't last forever.; Listing #1744137 - Submitted on 09/25/25 by Callsign WA8HKO, Modified on 12/16/25 - IP: ip-66-42-240-249.dynamic.fuse.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
ISO some reasonably priced 8417 tubes: If you have some good 8417 tubes and dont want a arm and a leg for them shoot me a email; Listing #1752639 - Submitted on 12/13/25 by Callsign KG4WPW - IP: 52.sub-174-229-16.myvzw.com; Click to Contact -- Send this Ad to a Friend
FS:4-1000A / 8166 Transmitting Tube, NOS: For Sale: Brand new 4-1000A / 8166 transmitting tube: $750.00. Reasonable offers only will be considered.; Listing #1752079 - Submitted on 12/07/25 by Callsign K4FWJ, Modified on 12/09/25 - IP: syn-097-069-036-175.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Taylor 3-500zg: Taylor 3-500zg nos $ 325.00 obo If interested, shipping costs can be determined then; Listing #1751854 - Submitted on 12/05/25 by Callsign KG4JTG - IP: adsl-65-82-175-33.mem.bellsouth.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
GE 4-125 (2), Amperex 4-250 (1): Appear to be new. In boxes. Untested. Make an offer.; Listing #1751725 - Submitted on 12/05/25 by Callsign KE1HR - IP: 73.249.103.99; Click to Contact -- Send this Ad to a Friend
FS: Power Amplifier and Rectifier Tubes: FOR SALE: Power Amplifier and Rectifier Tubes
6L6GA Jan-CHS (7 pin) Sylvania $20 each plus shipping; four for $75 w/ $15 shipping included
866 (4 pin) Taylor Custom Tubes made is USA Set of two $50 w/ $15 shipping included; Listing #1751637 - Submitted on 12/04/25 by Callsign NONE - IP: syn-097-081-038-086.res.spectrum.com; Click to Contact -- Send this Ad to a Friend