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

NOS Tubes: 6X4 Rectifier, 6AQ5 Power: Lot of 6X4 rectifiers and 6AQ5 power tubes, NOS, from military radio spare parts sets.
All are dated Oct. 1955. See photo.
$50 for all (10) tubes. Shipping will be $10.
Payment via USPS "postal" m/o please.; Listing #1770312 - Submitted on 06/07/26 by Callsign KJ6NKX - IP: syn-071-009-244-164.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Matched Pair of 8874 Tubes: Part of an estate sale, tested as new with full power out.
$650 for the matched pair shipped CONUS. Will ship WW.; Listing #1770232 - Submitted on 06/06/26 by Callsign K1FIE - IP: syn-016-203-133-064.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Eimac 7580W / 4CX250R: Eimac 7580W / 4CX250R
Offering this from recent estate tube lot - cosmetics indicate either NOS or very, very low hours.
The 4CX250R/7580W is the heavy-duty, ruggedized version. Like the 4CX250B, it has 6.3v filament voltage.
They ( “typically” ) deliver more output in most linear amplifiers which use the 4CX250B.
My TV-3B/U tube tester doesn’t cover this one, so it’s sold As-Is / No Return.
- Additional Pics on Request -
Reduced Price now: $ 36.00 Shipped (CONUS) from 92117 - 6x6x6 box - 1-2 lbs.
PayPal / USPS MO preferred - Check Accepted, but no ship until clears.; Listing #1770188 - Submitted on 06/05/26 by Callsign W6SDW - IP: syn-076-167-221-168.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE : two Eimac 620A sockets & Chim: I have two new unused Eimac tube sockets with ceramic chimneys. The sockets are 620A and the chimneys are SK626 with hardware. These are excellent tube sockets for the Eimac 4cx250 and like series. Both for $75 or $78 by PayPal.; Listing #1769925 - Submitted on 06/03/26 by Callsign K5SOP - IP: 47.222.197.156; Click to Contact -- Click Here to View Picture -- 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 #1769825 - Submitted on 06/02/26 by Callsign NONE - IP: syn-097-081-038-086.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
For Sale Pair 3CX800A with test data.: This is a pair of spare 3CX800’s I bought a while back to have as spares and sent to Frank Stelloh K9AU for test & evaluation. Data shows PO for 20W & 40W drive along with all the other parameters . I’d like $875 for the pair shipped & insured. Test data is in my QRZ listing but you can email me & I’ll send it to you.; Listing #1768010 - Submitted on 05/14/26 by Callsign KK4HP, Modified on 05/30/26 - IP: h165.115.89.75.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
WTB 12BZ6: Need a few tubes to finish a rig 12bz6, 12be6, 6jh8. Prefer calls to emails but to eliminate to scammers ONLY emails from here all others will be ignored. Please state price shipped to 15442.
73 Bob K3EMF; Listing #1769382 - Submitted on 05/27/26 by Callsign K3EMF - IP: 43.sub-174-242-33.myvzw.com; Click to Contact -- Send this Ad to a Friend
3-500ZG Tube -New in Box: Bought from DXengineering for a HF amplifier I was going to build.
I decided to give up due to the parts I need and I can not find them.
It has the parameters with the specifications. Also I have some of the parts I was intended to use the, Simpson 2" mA meters one for the grid 500 mA ,the other one for plate 2A, also 2" Simpson 10 KV meter for plate voltage ,25uH
rotary inductor with turns counter, 350pF/2KV tune variable capacitor and the load one 1000pF/1KV,ATU-100 with 2"display assembled for the input circuit.Pictures are available if interested. Asking $275 for the tube and I pay the shipping,for the parts make me an offer.MO, Personal Check or cash if in person pick up.I do not have paypal.
Only QRZ.com contact,thank you for reading my ad.; Listing #1768477 - Submitted on 05/19/26 by Callsign AB2DP, Modified on 05/26/26 - IP: syn-047-230-000-203.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Eimac 8660 Tube - Lightly Used: Tested for full power out. Lightly used.
Just $299 shipped CONUS.; Listing #1769218 - Submitted on 05/26/26 by Callsign K1FIE - IP: d57-134-213-75.home.cgocable.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
8874 Tubes: Excellent condition, tested for full power out.
$399 each, or you can have the pair for $599 shipped. Stock up while you still can!; Listing #1769217 - Submitted on 05/26/26 by Callsign K1FIE - IP: d57-134-213-75.home.cgocable.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend