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

Eimac 7580W / 4CX250R: Offering this from recent estate tube lot - cosmetics indicate either NOS or very, very low hours.
The 4CX250R/7580W is the heavy-duty, ruggedized version. Like the 4CX250B, it has 6.3v filament voltage. They ( “typically” ) deliver more output in most linear amplifiers which use 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 -
Reduced Price now: $ 36.00 Shipped (CONUS) from 92117 - 6x6x6 box - 1-2 lbs.
PayPal / USPS MO preferred - Check Accepted, but no ship until clears.; Listing #1764099 - Submitted on 04/04/26 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
Raytheon RK-4D32 ( NOS ): Spares / Replacements for your vintage Collins 32V / Hallicrafters or Johnson Xmtrs ??
Have 2 in their factory sealed boxes - Will Ship “ Box-in-Box ”. AS-IS, No Returns…
( Unboxed tube is for reference Only... )
Price: $30.00 EACH Shipped ( CONUS ) from 92117
PayPal / USPS MO preferred - Check OK but no ship until cleared.; Listing #1764098 - Submitted on 04/04/26 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
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 #1764067 - Submitted on 04/04/26 by Callsign W8EK - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Wanted: Pair 7199 triode/pentode: Looking for a pair of 7199s for a Dynakit audio amplifier rebuild. Please respond with price and condition.
Thanks, Jim, KC1RM; Listing #1764006 - Submitted on 04/03/26 by Callsign KC1RM - IP: h69-131-14-74.cntcnh.broadband.dynamic.tds.net; Click to Contact -- Send this Ad to a Friend
Eimac 4CX1500B: Eimac 4CX1500B tube - New Old Stock. Date Code 88xx. Never used. Sat as a spare that was never needed. Look at the attached hi-res photos - they speak for themselves.This tube makes a great replacement for your 4CX1000A and 4CX1500B based amplifiers, such as the Alpha 8410, Acom 1500, etc...Genuine Eimac, not Chinese junk.This tube new now costs over $1900 plus tax from RF Parts and Richardson Electronics.$800 plus shipping.; Listing #1763994 - Submitted on 04/03/26 by Callsign K2CB - IP: c-98-221-146-29.hsd1.nj.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For sale Eimac SK406: Eimac SK406 chimney for 3-500Z.
$60 shipped; Listing #1763928 - Submitted on 04/03/26 by Callsign W5DN - IP: cpe-CBR8-2-pool10-11-187.tx.cablelynx.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
8877 Ceramic Triode - Full Power Out: Tested for full power out in an Alpha 9500. Has been in dry storage. Good condition.
$549 plus $19 shipping.; Listing #1763732 - Submitted on 04/01/26 by Callsign K1FIE - IP: 107.115.29.129; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE: PAIR OF 805 TUBES. NEW BUT OLD STOCK
$ 100 FOR THE PAIR PLUS SHIPPING.
SEE PICTURE; Listing #1763652 - Submitted on 03/31/26 by Callsign K4CKS - IP: 184.52.114.88; Click to Contact -- Click Here to View Picture -- 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