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Type: 47 , 80 , 81 , 841 , 843 , UX-199 ( NOS and 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 Globe/Balloon Tubes
Quantity
Available | Tube
Type | Price
Each | Tube
Brand | Emission
Strength | Mutual
Conductance |
Description |
Notes
|
| 1 | 47 | $35.00 | Cunningham | 85% | 1550/2000Gm | used (wb) | globe tube - engraved base (pl)
| | 1 | 280 | $60.00 | Silvertone | 90%/90% | --- | used (wb) | globe tube - engraved base - bayonet pin on base
| | 1 | 280 | $60.00 | Airline | 90%/100% | --- | used (wb) | globe tube - engraved base - bayonet pin on base (white particles inside)
| | 1 | 80 | $40.00 | OK | 85%/90% | --- | used (wb) | globe tube - engraved base
| | 1 | 80 | $40.00 | RCA | 85%/85% | --- | used (wb) | globe tube - engraved base (particles inside)
| | 1 | UX-280 | $40.00 | Westinghouse | 80%/80% | --- | used (wb) | globe tube (bayonet pin on base)
| | 1 | GX-280 | $25.00 | Airline | 70%/70% | --- | used (wb) | globe tube - engraved base (white particles inside)
| | 1 | UX-281 | $18.00 | RCA Radiotron | 75% | --- | used (wb) | globe tube - engraved base (loose particle inside) bayonet pin on base
| | 1 | UX-281 | $15.00 | RCA Radiotron | 60% | --- | used (wb) | globe tube - engraved base bayonet pin on base - rattle in base (bayonet pin on base) (cat:G?)
| | 1 | CX-381 | $24.00 | Cunningham | 90% | --- | used (wb) | globe tube - engraved base (bayonet pin on base) (cat:312-125)
| | 1 | CX-381 | $18.00 | Cunningham | 85% | --- | used (wb) | globe tube - engraved base (bayonet pin on base)
| | 1 | CX-281 | $15.00 | Cunningham | 60% | --- | used (wb) | globe tube - engraved base (loose particles inside) bayonet pin on base
| | 1 | 81 | $15.00 | RCA/Cunningham | 65% | --- | used (wb) | globe tube - engraved base (bayonet pin on base)
| | 1 | 841/VT-51 | $75.00 | Taylor | 100% | 1000/1000Gm | NOS (wb) | globe tube
| | 1 | 841/VT-51 | $75.00 | Taylor | 100% | 1000/1000Gm | NOS (wb) | globe tube
| | 1 | 841/VT-51 | $75.00 | GE | 100% | 1000/1000Gm | NOS (wb) | globe tube
| | 1 | 843/VT-71 | $50.00 | RCA Radiotron | 110% | 1700/1625Gm | NOS (wb) | globe tube - US Navy
| | 1 | 843/VT-71 | $50.00 | RCA Radiotron | 110% | 1750/1625Gm | NOS (wb) | globe tube - US Navy
| | 1 | 843/VT-71 | $45.00 | RCA Radiotron | 100% | 1650/1625Gm | NOS (wb) | globe tube - US Navy
| | 1 | UX-199 | $75.00 | RCA | 110% | 500/425Gm | used (wb) | GT (tubular) - engraved base - stepped base
| | 1 | UX-199 | $40.00 | RCA | 70% | 300/425Gm | used (wb) | GT (tubular) - engraved base - stepped base
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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), JAN = Military
(H) = tested on Hickok 539A
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 globe/balloon 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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Preoctal and Globe/Balloon Vacuum Tube List
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