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

WTB anode caps for 3-500z tubes: I am looking to buy 6 anode caps for 3-500z tubes. I am working on 3 sb220s and they did not come with the caps. The original style is fine.; Listing #1757708 - Submitted on 02/02/26 by Callsign KD9RHA - IP: syn-075-086-112-217.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
FU-728F Ceramic tube: Removed from an OM 2000+ amplifier that I no longer have. This tube was producing about 1200-1400 watts when removed, so it still has some life in it, would be a great back-up. no returns.
$250 shipped, Check or PP F&F; Listing #1757605 - Submitted on 02/01/26 by Callsign W5RJJ - IP: ip-67-209-218-72.bacavalley.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Wanted: Eimac SK-406 Chimney: Looking to buy 4 ea. Eimac SK-406 chimneys.
Please let me know what you have. Thanks for looking.
WILL NOT RESPOND TO DIRECT EMAILS - DON'T BOTHER!!; Listing #1755588 - Submitted on 01/12/26 by Callsign N6ELO, Modified on 01/29/26 - IP: 174.sub-97-131-154.myvzw.com; Click to Contact -- Send this Ad to a Friend
For Sale 2 new 4-400 tubes: best offer N7AMK; Listing #1757153 - Submitted on 01/28/26 by Callsign N7AMK - IP: 216.24.59.39; Click to Contact -- Send this Ad to a Friend
KENRAD VT-231 6SN7GT $85 plus shipping: Used tube. Tested good.; Listing #1757147 - Submitted on 01/28/26 by Callsign K5DKZ - IP: syn-076-183-146-186.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
7 6146 tubes $95 plus shipping: Box of seven 6146 tubes of various manufacture. All made in USA. All test good.; Listing #1757146 - Submitted on 01/28/26 by Callsign K5DKZ - IP: syn-076-183-146-186.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
572B TUBE NEW from RF PARTS: NOS white base $50 plus shiping; Listing #1756906 - Submitted on 01/26/26 by Callsign K5DKZ, Modified on 01/27/26 - IP: syn-076-183-146-186.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
SELL: Sealed JAN 7203 EIMAC 4CX250B: Selling JAN 7203 Eimac 4CX250B. Sealed, unopened can.
$60 including shipping to U.S.A.; Listing #1756989 - Submitted on 01/27/26 by Callsign W3CMP - IP: c-174-54-50-12.hsd1.pa.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
JAN 5763 POWER TUBE: THESE ARE MILITARY GRADE NOS $25 per box of 5. Free shiping; Listing #1756862 - Submitted on 01/26/26 by Callsign K5DKZ, Modified on 01/26/26 - IP: syn-076-183-146-186.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
LOT OF 12AT7 33 TUBES: USED PULLS BUT TEST GOOD. $150 FREE SHIPPING; Listing #1756953 - Submitted on 01/26/26 by Callsign K5DKZ - IP: syn-076-183-146-186.res.spectrum.com; Click to Contact -- Send this Ad to a Friend