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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, subminiature, metal, power, transmitter tubes and many more.
MDB Ventures Preoctal Tubes
Quantity
Available | Tube
Type | Price
Each | Tube
Brand | Emission
Strength | Mutual
Conductance |
Description |
Notes
|
| 1 | 182B/482 | $40.00 | Sparton | 90% | 1600/1500Gm | ST - used (wb) | engraved base
| | 1 | 182B/482 | $40.00 | Raytheon | 90% | 1500/1500Gm | ST - used (wb) | ---
| | 1 | 182B/482 | $50.00 | Sylvania | 110% | 2000/1500Gm | ST - used (wb) | engraved base
| | 1 | 182B/482 | $35.00 | Sylvania | 85% | 1700/1500Gm | ST - used (wb) | engraved base
| | 1 | 483 | $35.00 | National Union | 95% | 1450/1350Gm | ST - used (wb) | black plate - engraved base
| | 1 | 483 | $40.00 | National Union | 120% | 1700/1350Gm | ST - used (rb) | black plate - engraved base - white particles inside
| | 1 | 483 | $45.00 | National Union | 110% | 1250/1350Gm | ST - used (wb) | black plate - engraved base
| | 1 | 485 | $15.00 | Tung-Sol | 110% | 1650/1300Gm | ST - NOS (wb) | engraved base
| | 1 | 485 | $15.00 | Sylvania | 120% | 1800/1300Gm | ST - NOS (OB) | missing box flap
| | 1 | 485 | $17.00 | Ken-Rad | untested | heater ok | ST - NOS (OB) | sealed in box
| | 1 | 485 | $7.00 | Ken-Rad | 105% | 1650/1300Gm | ST - used (L) | ---
| | 1 | 841/VT-51 | $35.00 | Hytron | 100% | 1000/1000Gm | ST - NOS (wb) | brown base
| | 1 | 843 | $35.00 | RCA | 100% | 1650/1625Gm | ST - NOS (wb) | US Navy
| | 1 | 843 | $35.00 | RCA | 100% | 1700/1625Gm | ST - NOS (wb) | US Army
| | 1 | 843 | $35.00 | RCA | 100% | 1700/1625Gm | ST - NOS (wb) | JAN
| | 1 | 843 | $35.00 | RCA | 110% | 1700/1625Gm | ST - NOS (wb) | ---
| | 1 | 843 | $30.00 | RCA | 90% | 1550/1625Gm | ST - used (wb) | US Navy (cat:p19)
| | 1 | 843/VT-73 | $20.00 | RCA | 80% | 1300/1625Gm | ST - used (L) | (cat:p19)
| | 1 | 843/VT-73 | $37.50 | RCA | 140% | 1800/1625Gm | ST - NOS (wb) | US Navy
| | 1 | 874 | $9.00 | RCA | Fire:126V | Run:85V | ST - NOS (OB) | JAN - bayonet pin on base
| | 1 | 874 | $9.00 | RCA | Fire:118V | Run:91V | ST - NOS (OB) | JAN - bayonet pin on base
| | 1 | 874 | $9.00 | RCA | Fire:115V | Run:86V | ST - NOS (OB) | bayonet pin on base
| | 1 | 874 | $8.75 | RCA | Fire:122V | Run:85V | ST - NOS (OB) | bayonet pin on base - damaged box
| | 1 | 874 | $8.75 | RCA | Fire:108V | Run:86V | ST - NOS (OB) | bayonet pin on base - damaged box
| | 1 | 874 | $9.00 | RCA | Fire:121V | Run:84V | ST - NOS (wb) | bayonet pin on base - Navy
| | 1 | 874 | $6.00 | RCA | Fire:133V | Run:94V | ST - used (wb) | bayonet pin on base
| | 1 | 874 | $6.00 | RCA | Fire:122V | Run:92V | ST - used (rb) | bayonet pin on base
| | 1 | 874 | $5.50 | RCA | Fire:115V | Run:92V | ST - used (L) | bayonet pin on base
| | 1 | 874 | $5.50 | Raytheon | Fire:117V | Run:86V | ST - used (L) | bayonet pin on base
| | 1 | 885 | $5.00 | GE | strikes at 27volts | 24volts typical | ST - NOS (gb) | (H)
| | 1 | 885 | $5.00 | GE | strikes at 27volts | 24volts typical | ST - NOS (OB) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 29volts | 24volts typical | ST - NOS (OB) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 24volts | 24volts typical | ST - NOS (OB) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 27volts | 24volts typical | ST - NOS (OB) | (H) oem box
| | 1 | 885 | $5.00 | RCA | strikes at 24volts | 24volts typical | ST - NOS (wb) | (H) cat:403-39
| | 1 | 885 | $5.00 | RCA | strikes at 25volts | 24volts typical | ST - NOS (wb) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 24volts | 24volts typical | ST - NOS (OB) | (H) JAN
| | 1 | 885 | $5.00 | Sylvania | strikes at 29volts | 24volts typical | ST - NOS (OB) | (H) oem box
| | 1 | 885 | $5.00 | Raytheon | strikes at 22volts | 24volts typical | ST - NOS (wb) | (H)
| | 1 | 885 | $5.00 | Raytheon | strikes at 16volts | 24volts typical | ST - NOS (wb) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 26volts | 24volts typical | ST - used (OB) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 25volts | 24volts typical | ST - used (OB) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 19volts | 24volts typical | ST - used (L) | (H)
| | 1 | 885 | $5.00 | RCA | strikes at 26volts | 24volts typical | ST - used (wb) | (H) (cat:P19)
| | 1 | 885 | $5.00 | RCA | strikes at 23volts | 24volts typical | ST - used (L) | (H) (cat:P19)
| | 1 | 885 | $5.00 | RCA | strikes at 25volts | 24volts typical | ST - used (L) | (H) (cat:P19)
| | 1 | 885 | $5.00 | RCA | strikes at 23volts | 24volts typical | ST - used (L) | (H) (cat:P19)
| | 1 | 885 | $5.00 | RCA | strikes at 24volts | 24volts typical | ST - used (L) | (H) (cat:P19)
| | 1 | 950 | $18.00 | Silvertone | 110% | 1050/950Gm | ST - NOS (wb) | engraved base
| | 1 | 951/1B4P | $6.00 | Silvertone | 130% | 1050/800Gm | ST - used (rb) | engraved base
| | 1 | 951/1B4P | $6.00 | Silvertone | 130% | 1100/800Gm | ST - used (L) | engraved base
| | 1 | 951/1B4P | $6.00 | Silvertone | 110% | 900/800Gm | ST - used (L) | engraved base
| | 1 | 951/1B4P | $6.00 | Silvertone | 130% | 850/800Gm | ST - used (L) | engraved base
| | 1 | 951/1B4P | $6.00 | Silvertone | 140% | 950/800Gm | ST - used (L) | engraved base
| | 1 | 1603 | $15.00 | Tung-Sol | 100% | 1150/1225Gm | ST - used (wb) | low noise low microphonic 6C6/77
| | 1 | 1609 | $35.00 | RCA | 115% | 1000/725Gm | ST - NOS (wb) | ---
| | 1 | 1609 | $35.00 | RCA | 100% | 900/725Gm | ST - NOS (wb) | ---
| | 1 | 1609 | $20.00 | RCA | 100% | 750/725Gm | ST - used (wb) | ---
| | 1 | 1609 | $18.00 | RCA | 95% | 650/725Gm | ST - used (wb) | ---
| | 1 | 1229 | $6.00 | Sylvania | 130% | 1050/640Gm | ST - NOS (ob) | box flap torn - cat:401-435
| | 1 | 1229/932 | $10.00 | Sylvania | 130% | 850/640Gm | ST - NOS (wb) | ---
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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 preoctal 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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