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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
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| 1 | 211-H | $45.00 | Amperex | untested | heater ok | used (L) | clear blub - graphite plate
| | 1 | FP-265 | $40.00 | G.E. | untested | heater ok | used (L) | clear bulb - graphite plate
| | 1 | 803 | $45.00 | Westinghouse | untested | heater ok | used (L) | white ceramic base - clear bulb - graphite plate - brown base - US Navy
| | 1 | 803 | $35.00 | RCA | untested | heater ok | used (L) | clear bulb - graphite plate - brown base
| | 1 | 803 | $35.00 | RCA | untested | heater ok | used (L) | clear bulb - graphite plate - brown base - cat:401-341
| | 1 | 803 | $12.00 | unknown | untested | heater ok | used (L) | clear bulb - graphite plate - brown base - loose base
| | 1 | 805 | $20.00 | National Union | untested | heater ok | used (L) | graphite plate - loose cap
| | 1 | 813 | $15.00 | Raytheon | untested | heater ok | used (OB) | loose cap
| | 1 | 813 | $20.00 | Westinghouse | untested | heater ok | used (L) | JAN - clear bulb - graphite plate
| | 1 | 813 | $20.00 | Amperex | untested | heater ok | used (L) | clear bulb - graphite plate
| | 1 | 813/VT-144 | $24.00 | National Union | untested | heater ok | used (L) | JAN - clear blub - graphite plate
| | 1 | 813 | $20.00 | Philips | untested | heater ok | used (L) | QB2/250 - clear bulb - graphite plate
| | 1 | 848 | $15.00 | RCA | untested | heater ok | used (L) | ---
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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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Industrial, Ham Radio Transmitter and Power Vacuum Tube List
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