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

For Sale Pair 3CX700A 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 - IP: h165.115.89.75.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Rare 8875 Tube!: Fully tested, delivers full power out. Nearly impossible to find, it’s now considered on of the rarest tubes.
Just $499 shipped CONUS.; Listing #1767780 - Submitted on 05/11/26 by Callsign K1FIE - IP: c-50-189-24-238.unallocated.comcastbusiness.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
i need a good set of used 3-500z tubes: i need a good set of used 3-500z tubes. thanks, k4tue. 423-623-5899 or rickvassark4tue at gmail.com; Listing #1767642 - Submitted on 05/10/26 by Callsign K4TUE, Modified on 05/11/26 - IP: 107-196-93-8.lightspeed.knvltn.sbcglobal.net; Click to Contact -- Send this Ad to a Friend
2 Eimac 8877's: $1000/each shipped and insured
2 excellent condition , full emissions Eimac 8877's. 2 new fresh test reports from Richardson Electronics showing better than new emissions value.
Tube#1
Date Code: 9234
Serial# HUU-532
Emission Value: 92
Tube#2
Date Code: 1016
Serial# BDB-0063
Emission Value: 103
New tube emissions value is an 85 so these are above that. Excellent tubes hence the price point. More pics and test reports available.
No Paypal most any other payment is fine. Also you can bring cash and pick them up. 1 has original box the other has a non original to the tube 8877 box. Test reports done this week 5/4/26. No funny business here I don't operate that way.; Listing #1767552 - Submitted on 05/09/26 by Callsign KC1TQN - IP: syn-024-177-141-194.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Eimac Ceramic Power Triodes: All are in excellent condition (some minor blemishes to the heatsinks) and tested for full power out. They are estimated to have more than 75% of their life left.
Eimac 8877 - $499
Eimac 8874 (2 available) - $399 each
Eimac 8660 (2 available) - $399 each
Eimac 8660 (NOS with original packaging, tested but otherwise unused) - $650
Shipping - $15 insured via UPS.; Listing #1767470 - Submitted on 05/08/26 by Callsign K1FIE - IP: c-50-189-24-238.unallocated.comcastbusiness.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE: GU74-B: GU74-B tested in ACOM 1000 and compared with NOS tube. Comparable output for a single tube ~ 735 w in the ACOM 1000.
$300 including shipping within USA (stateside) from CT; Listing #1767413 - Submitted on 05/08/26 by Callsign K2GBH - IP: ool-44c2aec7.dyn.optonline.net; Click to Contact -- Send this Ad to a Friend
3x 811A Tubes – $100 shipped: For sale: Lot of 3x 811A tubes.
* Clean glass
* Good internal structure
* Pins in good condition
* Removed from working amplifier
Selling as a lot (3 tubes).
$100 shipped (CONUS)
Payment: PayPal or Zelle
Please contact via message.
73,
WJ4DX; Listing #1767149 - Submitted on 05/05/26 by Callsign WJ4DX - IP: syn-072-187-184-102.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
Matched Pair Cetron 572B Tubes – Clean –: For sale: Matched pair of Cetron 572B tubes.
* Clean glass, no haze
* Good internal structure
* Pins in good condition
* Bases tight, no cracks
* Removed from working amplifier
These are getting harder to find in good condition.
Price: $200 + actual shipping
Payment: PayPal or Zelle
Callsign: WJ4DX
Location: FL
Photos available upon request or see listing photos.
73; Listing #1767148 - Submitted on 05/05/26 by Callsign WJ4DX - IP: syn-072-187-184-102.res.spectrum.com; Click to Contact -- Click Here to View Picture -- 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 #1767038 - Submitted on 05/04/26 by Callsign W8EK - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Click Here to View Picture -- 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 #1767037 - Submitted on 05/04/26 by Callsign W8EK - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend