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Don't see what you need? Contact us. We have many more tubes that are not yet listed.
We also have new and good used tubes in most other numbers including preoctal, globe/balloon,
octal, loctal, miniature, Nuvistor, subminiature, metal, power, transmitter tubes and many more.
MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes
Quantity
Available | Tube
Type | Price
Each | Tube
Brand | Emission
Strength | Mutual
Conductance |
Description |
Notes
|
| 1 | 2C39 | $5.00 | GE | 120% | --- | NOS (OB) | JAN (cat:16)
| | 1 | 2C39 | $5.00 | GE | 110% | --- | NOS (ob) | damaged box (cat:16)
| | 1 | 2C39 | $2.00 | Eimac | 120% | --- | used (wb) | US Navy (cat:16)
| | 1 | 2C39-A | $2.00 | Eimac | 120% | --- | used (L) | --- (cat:16 : 504-2) JAN
| | 1 | 2C39-A | $2.00 | Machlett | 110% | --- | used (L) | --- (cat:16 : 504-1) US Navy
| | 1 | 2C39-A | $2.00 | Machlett | 120% | --- | used (L) | --- (cat:16 : 504-4) US Navy
| | 1 | 2C39 | $2.00 | Eimac | 90% | --- | used (wb) | US Navy (cat:16)
| | 1 | 2C39 | $2.00 | GE | 85% | --- | used (ob) | US Navy (cat:16)
| | 1 | 2C39 | $2.00 | GE | 85% | --- | used (ob) | US Navy (cat:16)
| | 1 | 2C39-A | $2.00 | Machlett | 90% | --- | used (wb) | JAN (cat:16)
| | 1 | 2C39-A | $2.00 | Machlett | 90% | --- | used (rb) | --- (cat:16)
| | 1 | 2C39-A | $2.00 | Machlett | 85% | --- | used (rb) | --- (cat:16)
| | 1 | 2C39-A | $2.00 | Machlett | 85% | --- | used (rb) | --- (cat:16)
| | 1 | 2C39-A | $2.00 | GE | 90% | --- | used (L) | US navy (cat:16 : 504-3) bent radiator
| | 1 | 2C40 | $10.00 | RCA | 110% | 3800/2800 | NOS (OB) | (cat:16) JAN
| | 1 | 2C40 | $10.00 | RCA | 110% | 3800/2800 | NOS (wb) | (cat:16)
| | 1 | 2C40 | $10.00 | RCA | untested | sealed | NOS (OB) | sealed in foil packet (cat:16)
| | 1 | 2C40 | $2.00 | GE | untested | heater ok | used (L) | (cat:16 : 504-8)
| | 1 | 2C43 | $2.00 | GE | 140% | 4800/4000Gm | used (L) | (cat:16)
| | 1 | 2C43 | $2.00 | GE | 150% | --- | used (ob) | JAN (cat:16)
| | 1 | 2C43 | $2.00 | GE | 130% | 4800/4000Gm | used (ob) | (cat:tx-16)
| | 1 | 2C43 | $2.00 | GE | 100% | 4200/4000Gm | used (ob) | (cat:tx-16)
| | 1 | 2C43 | $1.00 | GE | 90% | 4400/4000Gm | used (L) | (cat:16)
| | 1 | 2C44 | $2.00 | GE | has emission | 2700/2800 | used (wb) | (cat:16) tested as 2C40
| | 1 | 2C46 | $10.00 | GE | untested | sealed | NOS (wb) | JAN (cat:16) sealed in plastic
| | 1 | 2C46 | $10.00 | GE | untested | sealed | NOS (ob) | sealed in foil packet - box flap missing (cat:16)
| | 1 | 2C46 | $5.00 | GE | has emission | 1350/2800 | used (wb) | (cat:16) tested as 2C43
| | 1 | 2C46 | $5.00 | GE | has emission | 2000/2800 | used (wb) | (cat:16) tested as 2C43
| | 1 | 2C46 | $5.00 | GE | untested | heater ok | used (L) | (cat:16 : 504-6)
| | 1 | 2C46 | $5.00 | GE | untested | heater ok | used (L) | (cat:16 : 504-7)
| | 1 | 3C30 | $10.00 | Hytron | untested | heater ok | used (rb) | (cat:16) brown base - has emission
| | 1 | 3C30 | $10.00 | Hytron | untested | heater ok | used (rb) | (cat:16) brown base - has emission
| | 1 | 446-A | $5.00 | RCA | untested | sealed | NOS (ob) | US Navy (cat:tx-16) sealed in original packing
| | 1 | 446-A | $5.00 | GE | untested | sealed | NOS (OB) | sealed in foil packet - US Navy (cat:16)
| | 1 | 446-A | $5.00 | GE | untested | sealed | NOS (OB) | sealed in foil packet - US Navy (cat:16)
| | 1 | 446-A | $5.00 | GE | untested | sealed | NOS (L) | sealed in original bag (cat:16)
| | 1 | 446-A | $5.00 | GE | untested | sealed | NOS (L) | sealed in original bag (cat:16)
| | 1 | 446-A | $5.00 | GE | untested | sealed | NOS (L) | sealed in original bag (cat:16)
| | 1 | 446-A | $5.00 | GE | untested | sealed | NOS (L) | sealed in original bag (cat:16)
| | 1 | 446-A | $5.00 | GE | 120% | 4000/1560Gm | NOS (OB) | US Navy (cat:16)
| | 1 | 446-A | $2.00 | GE | 120% | 3800/4000Gm | used (L) | US Navy (cat:16)
| | 1 | 446-A | $2.00 | GE | 100% | 3600/4000Gm | used (L) | US Navy (cat:16)
| | 1 | 446-A | $2.00 | GE | 120% | 3800/4000Gm | used (L) | US Navy (cat:16)
| | 1 | 446-A | $2.00 | GE | 150% | 4500/4000Gm | used (L) | US Navy (cat:16)
| | 1 | 446-A | $2.00 | RCA | 100% | 3900/4000Gm | used (ob) | US Navy (cat:tx-16)
| | 1 | 446-A | $2.00 | GE | 100% | 4000/4000Gm | used (rb) | (cat:tx-16)
| | 1 | 446-A | $1.00 | RCA | 90% | 3500/4000Gm | used (ob) | US Navy (cat:tx-16)
| | 1 | 836/VT236 | $20.00 | RCA | 110% | --- | NOS (ob) | JAN - damaged box (cat:16)
| | 1 | 836/VT236 | $20.00 | RCA | 110% | --- | NOS (ob) | JAN - damaged box (cat:16)
| | 1 | 836/VT236 | $20.00 | RCA | 110% | --- | NOS (ob) | JAN - damaged box (cat:16)
| | 1 | 836 | $10.00 | GE | 100% | --- | used (L) | --- (cat:16)
| | 1 | 836/VT236 | $5.00 | RCA | 80% | --- | used (L) | JAN (cat:16)
| | 1 | 836 | $5.00 | Raytheon | 80% | --- | used (L) | --- (cat:16)
|
Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box,
(L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
ST=ST Style, GT=GT Style, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).
How To Order:
Purchasing our Industrial, Ham Radio Transmitter and Power tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.
Contact MDB Ventures sales@mdbventures.com
Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.
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