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Type: 80 ( Used )
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
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| 1 | 80 | $20.00 | Raytheon | 90%/90% | --- | ST - used (wb) | engraved base - four pillar tube - no label
| | 1 | 80 | $20.00 | Raytheon | 85%/90% | --- | ST - used (wb) | engraved base - four pillar tube - no label
| | 1 | 80 | $18.00 | Raytheon | 75%/80% | --- | ST - used (wb) | engraved base - four pillar tube - no label
| | 1 | 80/VT-80 | $18.00 | Sylvania | 110%/105% | --- | ST - used (L) | JAN
| | 1 | 80/VT-80 | $18.00 | Sylvania | 115%/105% | --- | ST - used (L) | JAN
| | 1 | 80 | $15.00 | Tung-Sol | 110%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Tung-Sol | 100%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Tung-Sol | 115%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Sylvania | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Sylvania | 110%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Sylvania | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $9.00 | Sylvania | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Sylvania | 105%/115% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Sylvania | 100%/100% | --- | ST - used (L) | engraved base
| | 1 | 80 | $12.00 | National Union | 100%/105% | --- | ST - used (L) | ribbed plate
| | 1 | 80 | $15.00 | National Union | 105%/105% | --- | ST - used (L) | engraved base - ribbed plate
| | 1 | 80 | $12.00 | National Union | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | GE | 105%/105% | --- | ST - used (L) | ribbed plate
| | 1 | 80 | $12.00 | GE | 100%/100% | --- | ST - used (L) | ribbed plate
| | 1 | 80 | $12.00 | GE | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Philco | 100%/100% | --- | ST - used (L) | engraved base
| | 1 | 80 | $12.00 | Philco | 100%/100% | --- | ST - used (L) | engraved base
| | 1 | 80 | $9.00 | Raytheon | 105%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Raytheon | 110%/105% | --- | ST - used (L) | ribbed plate
| | 1 | 80 | $15.00 | RCA | 110%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | RCA | 105%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | RCA | 110%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $12.50 | RCA Victor | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Zenith | 105%/105% | --- | ST - used (L) | engraved base
| | 1 | 80 | $12.00 | Radiocoin | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Cunningham | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Ken-Rad | 100%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $12.00 | Wards Airline | 105%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Ceco | 115%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $15.00 | Hytron | 110%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | unknown | 105%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | National Union | 95%/95% | --- | ST - used (L) | engraved base - ribbed plate
| | 1 | 80 | $10.00 | National Union | 90%/100% | --- | ST - used (L) | ribbed plate
| | 1 | 80 | $10.00 | Sylvania | 90%/95% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Sylvania | 90%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Sylvania | 105%/95% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Sylvania | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Sylvania | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Sylvania | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Sylvania | 90%/90% | --- | ST - used (L) | cat:321-111
| | 1 | 80 | $10.00 | Philco | 90%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Philco | 90%/100% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Philco | 95%/95% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Greylock | 90%/100% | --- | ST - used (L) |
| | 1 | 80 | $10.00 | Triad | 90%/95% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | RCA | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA | 100%/95% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA Victor | 90%/95% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA Victor | 95%/95% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA Radiotron | 95%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA Radiotron | 95%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | RCA/Cunningham | 90%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | RCA/Cunningham | 90%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | RCA/Cunningham | 90%/95% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | RCA/Cunningham | 95%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | RCA/Cunningham | 100%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Hytron | 90%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Tung-Sol | 95%/90% | --- | ST - used (L) | engraved base - particles inside
| | 1 | 80 | $10.00 | Tung-Sol | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Tung-Sol | 100%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Tung-Sol | 100%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $12.50 | unknown | 100%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Ken-Rad | 95%/105% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Ken-Rad | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Ken-Rad | 95%/95% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Raytheon | 90%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $10.00 | Raytheon | 100%/90% | --- | ST - used (L) | JAN
| | 1 | 80 | $10.00 | Raytheon | 95%/100% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Cunningham | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Cunningham | 90%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Cunningham | 95%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | GE | 95%/95% | --- | ST - used (L) | ---
| | 1 | 80 | $10.00 | Wards Super Airline | 95%/90% | --- | ST - used (L) | ---
| | 1 | 80/VT-80 | $7.50 | RCA | 80%/80% | --- | ST - used (L) | JAN
| | 1 | 80/VT-80 | $7.50 | Ken-Rad | 90%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Tung-Sol | 85%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Tung-Sol | 80%/90% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Tung-Sol | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Philco | 95%/85% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Philco | 85%/85% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Philco | 80%/80% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Philco | 85%/80% | --- | ST - used (L) | engraved base - cat:402-341
| | 1 | 80 | $7.00 | Philco | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | RCA/Cunningham | 85%/85% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | RCA Victor | 90%/85% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | RCA Victor | 85%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | RCA Radiotron | 90%/85% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | GE | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | GE | 80%/85% | --- | ST - used (L) | particles inside
| | 1 | 80 | $7.00 | Delco | 80%/85% | --- | ST - used (L) | cat:312-163
| | 1 | 80 | $7.00 | Cunningham | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | National Union | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | National Union | 85%/80% | --- | ST - used (L) | ribbed plate
| | 1 | 80 | $7.00 | National Union | 110%/80% | --- | ST - used (L) | bayonet pin on base
| | 1 | 80 | $7.00 | National Union | 85%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Ken-Rad | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Ken-Rad | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Ken-Rad | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Raytheon | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Wards Super Airline | 85%/85% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Wards Super Airline | 80%/80% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Wards Super Airline | 85%/85% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Wards Super Airline | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Triad | 85%/85% | --- | ST - used (L) | engraved base - paint on tube
| | 1 | 80 | $7.00 | Triad | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Meier & Frank | 80%/80% | --- | ST - used (L) | engraved base (pl)
| | 1 | 80 | $7.00 | Arcturus | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | Hytron | 80%/85% | --- | ST - used (L) | paint on tube
| | 1 | 80 | $7.00 | RCA/Cunningham | 85%/90% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | Sylvania | 90%/80% | --- | ST - used (L) | engraved base
| | 1 | 80 | $7.00 | National Union | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $7.00 | RCA | 80%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $5.00 | Ken-Rad | 75%/80% | --- | ST - used (L) | ---
| | 1 | 80 | $5.00 | RCA Victor | 75%/75% | --- | ST - 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 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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