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

For Sale 1n2637: for sale 1N2637 rectifiers
replacement for 866 or 3B28
10,000 v. 5oo ma.
$10 ea. plus shipping
Al; Listing #1731097 - Submitted on 05/29/25 by Callsign K4CKS - IP: host-67-45-112-16.hnremote.net; Click to Contact -- Send this Ad to a Friend
For Sale US tower HDX 472 MDPL: For Sale US tower HDX 472 MDPL With optional limiting switches, work platform, remote controller, base, thruss bearing and tilt fixture.
Very good condition, motor always covered. Will be taking down soon due to move.
Bring your trailer and I’ll load it for you.
I am located in Westchester NY, 10567 Cortlandt Manor.
$6000 for everything.
WX2CX at optimum.net
73; Listing #1731045 - Submitted on 05/29/25 by Callsign WX2CX - IP: ool-4356ce1f.dyn.optonline.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS EIMAC 4-400 AIR-SYSTEM SOCKETS: I have available for sale 2 used EIMAC Air-System sockets. The tube sockets are tarnished, but in good physical condition. One for $59 shipped in the USA, or both for $99 shipped in the USA.; Listing #1730598 - Submitted on 05/25/25 by Callsign K3DUA, Modified on 05/29/25 - IP: pool-100-16-175-78.bltmmd.fios.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Svetlana 4CX1600B Tube: For sale, an extremely rare Svetlana 4CX1600B Tube, new in the box. The Tube was bought as a spare for a Ten Tec Amplifier that has been sold. It is still sealed in the package and extremely hard to find or come by; they never come up for sale. This tube is used in many HF amplifiers such as Alpha 6, Ten Tec 416 Titan II, QRO 3kw, Andrews DX-1600, Emtron DX2, QRO HF-3KDX, and others. I will ship for free in the USA, and it will be double-boxed and insured. Pick up local (Spring Grove, IL) also available! I can take most payment types if you cover the associated fees. I will not ship until the payment clears. I don’t deal with nonsense, no holds, payments, scams, Etc. What you see is what you get, nothing else. Price is $2000 FREE Shipping USA; Listing #1730903 - Submitted on 05/28/25 by Callsign KC9CUK - IP: 50-82-154-198.client.mchsi.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS: Two 6GH8 Tubes: New in boxes RCA & Raytheon 6GH8 Tubes. $10.95 shipped free to USA lower 48.; Listing #1730754 - Submitted on 05/27/25 by Callsign N8FVJ - IP: 71-214-106-17.orlf.qwest.net; Click to Contact -- Send this Ad to a Friend
FS: Two RCA 6K7 Tunes: Two RCA 6K7 tubes in boxes. Ships free to USA lower 48. $12.95; Listing #1730752 - Submitted on 05/27/25 by Callsign N8FVJ - IP: 71-214-106-17.orlf.qwest.net; Click to Contact -- Send this Ad to a Friend
FS: Two new Sylvania 6SK7 Tubes: Two new in box Sylvania 6SK7 Tubes. $15 shipped to USA lower 48.; Listing #1730751 - Submitted on 05/27/25 by Callsign N8FVJ - IP: 71-214-106-17.orlf.qwest.net; Click to Contact -- Send this Ad to a Friend
EIMAC 3CX800A7 CERAMIC TUBE: This tube was purchased as a backup for an amp and only used enough to see that it was good. It was sent for professional testing at D&C Electronics in Florida and exceeded new factory minimum specs. The tube is in like new condition and only shows markings on the Anode terminal that came from the testing. The testing results and photos are available on request. Serial No. JFDD3165. $895 shipped with insurance. I take Postal MO and certified check with clearing.; Listing #1729420 - Submitted on 05/15/25 by Callsign W6XI, Modified on 05/26/25 - IP: ip68-109-162-111.ph.ph.cox.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Eimac 8874 Tubes in Original Box: Fully tested, full power Eimac 8874 tubes for Alpha 76PA, etc. these go for over $1000 new. Medical device pulls. Excellent condition . 3 available. $300 each Zelle/Venmo/MO. Good on QRZ.; Listing #1730623 - Submitted on 05/25/25 by Callsign K1FIE - IP: syn-047-036-118-152.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Jackson model 648 tube tester: from estate: a jackson 648 , good looking except for the cheap cloth covering which is a bit separated at edges, otherwise fine.
has the roller chart and some booklets.
i turned on the power (ac cord and toggle switch) and put an 807 tube in. pressing the proper push buttons (which all are working well) i pressed the W test key and got a 75% reading which was about right for my 807 spares. ton of info on this model on the net, more pix available. $100 pickup only or meet closeby zip 18336
trade for qrp rig possible.
tnx jim kw3u; Listing #1729567 - Submitted on 05/16/25 by Callsign KW3U, Modified on 05/25/25 - IP: static-72-86-134-28.phlapa.east.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend