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

For Sale: Two (2) 4cxp1500a7 tubes: Tubes are used, awaiting testing. Filaments check good, but further testing is yet to be done. These were bought by a SK for his Collins 30S-1 amplifier. The XYL has since sold the amplifier, these tubes remain. While tubes are being listed as untested, they are believed to be in good condition and very useable. Asking %525 for the pair, shipped to lower 48. Sale is final, no returns.; Listing #1763353 - Submitted on 03/27/26 by Callsign W8QW - IP: dyn-149.19.222.129.hrvl.mi.homeworksinternet.net; Click to Contact -- Send this Ad to a Friend
F.S. One EIMAC Tube Socket: ///////////. Offer Accepted …. Awaiting Payment. /////////////
Offering one used SK-410, EIMAC Forced Air Tube Socket, Used for 3-500, 3-400, etc. air cooled tubes. Excellent condition and priced to sell at $35 (3includes shipping to lower 48 states).
Personal check or postal money order accepted. Contact my eMail, using this ad on QTH.COM only.
Thanks for reading this offer.; Listing #1763305 - Submitted on 03/27/26 by Callsign K9AU, Modified on 03/27/26 - IP: 192-252-182-166.mobile.uscc.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Raytheon RK-4D32 ( NOS ): Need Spares / Replacements for your vintage Collins 32V / Hallicrafters or Johnson Xmtrs ??
Have 2 in their original, factory sealed boxes - Will Ship “ Box-in-Box ”. AS-IS, No Returns…
Price: $35.00 EACH Shipped ( CONUS ) from 92117
PayPal / USPS MO preferred - Check OK but no ship until cleared.; Listing #1762171 - Submitted on 03/16/26 by Callsign W6SDW, Modified on 03/27/26 - 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 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 #1759627 - Submitted on 02/20/26 by Callsign W6SDW, Modified on 03/27/26 - IP: syn-076-175-204-014.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
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 #1759625 - Submitted on 02/20/26 by Callsign W6SDW, Modified on 03/27/26 - IP: syn-076-175-204-014.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For Sale: two (2) 4cx1500 tubes: From an estate. These tubes were purchased to power a Collins 30S-1 amplifier. I believe both to be in excellent condition but have no way of testing. Selling for the widow who has already sold the amplifier with a 4cx1000 tube installed. Asking $525 or best offer for both tubes, shipped and insured to lower 48. I can accept cash, personal check (must wait for check to clear), postal money order or Paypal (not Friends and Family). Sale is final, no returns.; Listing #1761432 - Submitted on 03/09/26 by Callsign W8QW, Modified on 03/27/26 - IP: dyn-149.19.222.129.hrvl.mi.homeworksinternet.net; Click to Contact -- Send this Ad to a Friend
6146 Tubes For Sale: 6146 Tubes For Sale:
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I have two 6146 tubes available.
They are NOT a pair.
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The first is an RCA 6146 A. It tests
at 98% on my Hickock 600 tube tester.
It is $15.
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The second is a GE 6146 B. It tests 111%.
It is $20.
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Prices do not include shipping from Florida.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1763291 - Submitted on 03/27/26 by Callsign W8EK - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Send this Ad to a Friend
Vacuum Tubes for sale: Vacuum Tubes for sale:
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Note: Most tubes are NOS (New, but Old Stock).
All have been tested, and test good.
In most cases, more than one tube is available.
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Audio output
6AQ5/6005 - $6
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Sweep tubes
Zenith 6LB6 - $20 - Only one left.
6GE5 - $12
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transmit tubes
6CL6 - $8
2E26 - $8
5763 - $5
6146 A - $15
6146 B - $20
6883 (12 Volt 6146) - $20
1625 - $10
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Diode / Rectifier tubes:
0 Z 4 - $5
1B3 - $1
3B24 - $8
5Y3 - $8
6AL5 - $4
5642 - 10,000 PIV, w/ wire leads - $5
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Regulator tubes
0A2 - $6
0B2 - $6
0C3/VR-105 - $6
0D3/VR-150 - $6
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Amperite Ballast tubes: $8 each
1H46
3-16
3-38
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Loctal tubes:
7A8 - $4
7B4 - $4
7C5 - $5
7F7 - $8
7F8 - $6
7H7 - $4
7K7 - $6
7N7 - $9
7Q7 - $5
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Prices do not include shipping from Florida.
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I am working my way thru the 1000+ tubes
that I have. If you need something let me
know.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1763147 - Submitted on 03/25/26 by Callsign W8EK - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Send this Ad to a Friend
FOR SALE: SET OF WESTERN ELECTRIC TUBES: FOR SAIE IS A SET OF WESTERN ELECTRIC TUBES. FOUR 417-A, TEN 403B AND ONE 431B. ALL NEW OLD STOCK WITH BOXES NEVER OPENED. PRICES IS $200 FOR ALL PLUS SHIPPING.; Listing #1763058 - Submitted on 03/24/26 by Callsign K0WRX - IP: dhcp-31-10-191-64.cf-res.cfu.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Tubes for sale: For sale 5876 and 5675 uhf pencil triodes
used in H. P. signal generator
$ 10 each plus shipping; Listing #1762969 - Submitted on 03/23/26 by Callsign K4CKS - IP: 184.52.116.25; Click to Contact -- Send this Ad to a Friend