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

CETRON 572B/T160L: USED TUBE tested good. $50 plus shiping; Listing #1757102 - Submitted on 01/27/26 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
Raytheon 5703WA Triode ( Lot of 3 ): Subminiature Triode - NOS - Unmolested, original full length leads.
Tube data available on Internet…
Offering as collectables - hence As-Is / No Returns - no testing performed.
Price: ( Lot o 3 ) $20.00 Shipped ( CONUS ); Listing #1756745 - Submitted on 01/24/26 by Callsign W6SDW, Modified on 01/27/26 - IP: syn-076-175-204-014.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Sylvania JHS 5718 - ( Lot of 3 ): Subminiature Triode - NOS ( 1952 ) in their original cartons.
They have unmolested, original full length leads.
Tube data available on Internet…
Offering as collectables - hence As-Is / No Returns - no testing performed.
Price: ( Lot o 3 ) $20.00 Shipped ( CONUS ); Listing #1756747 - Submitted on 01/24/26 by Callsign W6SDW, Modified on 01/27/26 - IP: syn-076-175-204-014.res.spectrum.com; Click to Contact -- Click Here to View Picture -- 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
Eimac 7580W / 4CX250R: Offering this from recent estate tube lot - cosmetics indicate either NOS or very, very low hours.
( Taken from Eimac Spec Sheet ):
The 4CX250R/7580W is designed specifically for use in Class AB1 linear amplifiers where shock and/or vibration preclude the use of non-ruggedized tube types. The 4CX250R/7580W will replace the 4CX250B in equipments where the range of bias adjustment will tolerate this higher purveyance tube and where tuning range can compensate for the small differences in input and output capacitances. The 4CX250R/7580W will deliver more output in most linear amplifiers which presently employ 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 -
Yours for: $ 40.00 + $10.00 Ship (CONUS) from 92117 - 6x6x6 box - 1-2 lbs.
PayPal / USPS MO preferred - Check Accepted, but no ship until clears.; Listing #1756918 - Submitted on 01/26/26 by Callsign W6SDW - IP: syn-076-175-204-014.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
EIMAC AIR-SYSTEM SOCKETS - REDUCED: MAKE AN OFFER
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I have available for sale 2 used EIMAC Air-System sockets. These will work for the 4-400, 3-500 and similar based tubes. The tube sockets are tarnished, but in good physical condition. One for $45 shipped in the USA, or both for $80 shipped in the USA.; Listing #1756904 - Submitted on 01/26/26 by Callsign K3DUA - IP: pool-108-50-43-148.bltmmd.fios.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS: UNGAR SOLDERING IRON-1235-S: For Sale: UNGAR Model 1235-S soldering iron Heater in package.
Get ready for Winter projects.
Modular "S" for #750, 776, 777 Handles.
33 Watts 120vac/dc; Takes 1/8" tips.
800F./427C.--Have only two left of this model.
I have many other types of UNGARS, too.
Email me or see my other QTH ads for more.
$9.00 each: $15.00 for both plus $4.50 USA shipping.
Add the Matching Ungar handle for another $6.00
Your check or USPS MO. Or PayPal to: jtg4300 at yahoo.com
I am gd in QRZ.
Will combine shipping, where possible
See my other ads for Simpson, Drake, and other gear.
Your check or USPS MO; I am gd in QRZ.
Just let me know that payment is on the way and I will ship and get you the Tracking number.; Listing #1754562 - Submitted on 01/03/26 by Callsign WA1BRI, Modified on 01/26/26 - IP: 47-199-186-130.fdr01.stgr.fl.ip.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend