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

EIMAC 3cx800a7: Tests 100%. Pull from an amp. $ 250.00 + usps.; Listing #1750969 - Submitted on 11/28/25 by Callsign KA8DSS - IP: 99-18-100-105.lightspeed.gdrpmi.sbcglobal.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS, JAN 805 tube, NOS. GE: Selling a JAN 805 tube, NOS. Made by GE. No box, it fell apart years ago. It will be packed very well and sent USPS Priority. Selling for 160.00 shipped to your door in the lower 48 United States. I accept Zelle, USPS money order and PayPal FF. All sales final. Contact Mason.; Listing #1750833 - Submitted on 11/26/25 by Callsign K5YHX - IP: 172.59.120.44; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
833A triode tubes: Three 833A triode tubes.
.
Clear glass, filaments all good.
.
Don't know anything else about them.
.
$50 each, plus $10 shipping within CONUS.
.
Thanks and 73...
.
Roger, kw9g; Listing #1749475 - Submitted on 11/14/25 by Callsign KW9G, Modified on 11/24/25 - IP: syn-076-035-125-194.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
WANTED: 180 second delay tube.: For my Dentron DTR-2000L. Only reply through the QTH contact the seller!! Thanks Al K9FW; Listing #1750548 - Submitted on 11/24/25 by Callsign K9FW - IP: 50-104-82-127.prtg.in.frontiernet.net; Click to Contact -- Send this Ad to a Friend
WANTED GS35B'S AMP PROJECTS: WANT NEW GS35B'S SEND pictures and PRICE SHIPPED UPS PAY PAL; Listing #1748743 - Submitted on 11/06/25 by Callsign W4IMD, Modified on 11/23/25 - IP: 99-102-212-226.lightspeed.tukrga.sbcglobal.net; Click to Contact -- Send this Ad to a Friend
Sale: 8874's: I have 3-8874 tubes pulls. I have tried them in my Alpha 78 and they had good output. 175.00 each shipped. Can take paypal, or money order. Might consider some type of trade on a Yaesu FT450, FT920, FT1200.; Listing #1742799 - Submitted on 09/11/25 by Callsign WA4MMI, Modified on 11/22/25 - IP: c-73-113-116-186.hsd1.tn.comcast.net; Click to Contact -- Send this Ad to a Friend
Vacuum Tubes for sale: Vacuum Tubes for sale:
-
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.
-
Audio output
6AQ5/6005 - $6
-
Sweep tubes
Zenith 6LB6 - $20 - Only one left.
6GE5 - $12
-
transmit tubes
6CL6 - $8
2E26 - $8
5763 - $5
6883 (12 Volt 6146) - $20
1625 - $10
4-250 - weak - $19
-
Diode / Rectifier tubes:
0 Z 4 - $5
1B3 - $1
3B24 - $8
5Y3 - $8
6AL5 - $4
5642 - 10,000 PIV, w/ wire leads - $5
-
Regulator tubes
0A2 - $6
0B2 - $6
0C3/VR-105 - $6
0D3/VR-150 - $6
-
Amperite Ballast tubes: $8 each
1H46
3-16
3-38
-
Loctal tubes:
7A8 - $4
7B4 - $4
7C5 - $5
7F7 - $8
7F8 - $6
7H7 - $4
7K7 - $6
7N7 - $9
7Q7 - $5
-
Prices do not include shipping from Florida.
-
I am working my way thru the 1000+ tubes
that I have. If you need something let me
know.
-
Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1750309 - Submitted on 11/22/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Amperex 4-250 Transmitting Tube For Sale: Amperex 4-250 Transmitting Tube For Sale:
-
The Amperex 4-250 / 5022 is a high power
transmitting tube, very closely related to
the well known 4-400, and a cousin to the
3-500. It fits the same socket as the 4-400
and 3-500.
-
The major difference between the 4-250 and
4-400 is that the 4-250 has 250 watts of plate
dissipation, while the 4-400 has 400 watts.
They usually can be used interchangeably as
long as the plate dissipation is not exceeded.
-
Weak 4-250
This 4-250 has low output.
It is not dead or shorted, but simply has low output.
It would be ideal for testing an amplifier. It is
NOT dead.
-
Only $19 plus shipping from Florida.
-
Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1750308 - Submitted on 11/22/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
6CL6 tubes For Sale: 6CL6 tubes For Sale:
-
I found a stash of 6CL6 tubes. These are NOS.
-
The 6CL6 is used as a driver tube in some of the
hybrid rigs, plus many of the older vintage rigs.
Many have found that low power output in these
rigs is due to a weak 6CL6 instead of weak finals.
-
Buy these for only $8 each, plus shipping from Florida.
-
Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1750307 - Submitted on 11/22/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Dead 3-500 Tube For Sale: Dead 3-500 Tube For Sale:
-
I have a dead 3-500 tube available. It
no longer functions as an amplifier, but
the filament in it is good, so it could
be used for making a lamp, or any other
place where only the filament is needed.
Buy it for only $12 plus shipping from Florida.
-
Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1750306 - Submitted on 11/22/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Send this Ad to a Friend