MDB Ventures Radio Tubes
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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/loktal, miniature, subminature, metal, power, transmitter tubes and many more.
MDB Ventures Radio Tubes
Qty
Avail | Tube
Type | Price
Each | Tube
Brand | Emission
Strength | Mutual
Conduct |
Desc |
Notes
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| 1 | 25Z6-WGT | $10.00 | Chatham | 115% / 115% | --- | NOS (OB) | brown base - JAN |
| 1 | 25Z6-WGT | $6.00 | Chatham | 100% / 100% | --- | used (wb) | JAN - brown base |
| 1 | 25Z6-GT | $2.50 | Raytheon | 110% / 110% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Raytheon | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Raytheon | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Raytheon | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Raytheon | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Zenith | 110% / 110% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Sylvania | 110% / 110% | --- | NOS (OB) | yellow lettering |
| 1 | 25Z6-GT | $2.50 | Sylvania | 100% / 100% | --- | NOS (OB) | yellow lettering - damaged box |
| 1 | 25Z6-GT | $2.50 | Sylvania | 100% / 100% | --- | NOS (OB) | green lettering |
| 1 | 25Z6-GT | $2.50 | Sylvania | 100% / 100% | --- | NOS (OB) | green lettering |
| 1 | 25Z6-GT | $2.50 | National Union | 110% / 110% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | damaged box |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | metal base band |
| 1 | 25Z6-GT | $2.50 | National Union | 100% / 100% | --- | NOS (OB) | metal base band |
| 1 | 25Z6-GT | $2.50 | GE | 110% / 110% | --- | NOS (OB) | white lettering |
| 1 | 25Z6-GT | $2.50 | GE | 100% / 100% | --- | NOS (OB) | white lettering |
| 1 | 25Z6-GT | $2.50 | GE | 100% / 100% | --- | NOS (OB) | white lettering |
| 1 | 25Z6-GT | $2.50 | GE | 100% / 100% | --- | NOS (OB) | white lettering |
| 1 | 25Z6-GT | $2.50 | GE | 100% / 100% | --- | NOS (OB) | white lettering |
| 1 | 25Z6-GT | $2.50 | GE | 100% / 100% | --- | NOS (OB) | red lettering |
| 1 | 25Z6-GT | $2.50 | GE | 100% / 100% | --- | NOS (OB) | red lettering |
| 1 | 25Z6-GT | $2.50 | RCA | 110% / 110% | --- | NOS (OB) | silver lettering |
| 1 | 25Z6-GT | $2.50 | RCA | 100% / 100% | --- | NOS (OB) | red lettering |
| 1 | 25Z6-GT | $2.50 | RCA | 110% / 110% | --- | NOS (OB) | red lettering |
| 1 | 25Z6-GT | $2.50 | RCA | 120% / 120% | --- | NOS (OB) | red lettering |
| 1 | 25Z6-GT | $2.50 | RCA | 100% / 100% | --- | NOS (OB) | red lettering - missing box flap |
| 1 | 25Z6-GT | $2.50 | Ken-Rad | 100% / 100% | --- | NOS (OB) | sealed in box |
| 1 | 25Z6-GT | $2.50 | Ken-Rad | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Philco | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | CBS | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | CBS / Hytron | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Rauland | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Rad-Tel | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Dumont | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6-GT | $2.50 | Westinghouse | 100% / 100% | --- | NOS (OB) | --- |
| 1 | 25Z6 | $2.50 | RCA | 110% / 110% | --- | used (L) | metal |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (OB) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (OB) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (OB) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (OB) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (rb) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (rb) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (rb) | white lettering |
| 1 | 25Z6-GT | $1.00 | GE | 100% / 100% | --- | used (wb) | white lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (OB) | silver lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (OB) | silver lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (OB) | silver lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (OB) | rrd lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (OB) | red lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 110% / 110% | --- | used (OB) | red lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (rb) | silver lettering |
| 1 | 25Z6-GT | $1.00 | RCA | 100% / 100% | --- | used (wb) | silver lettering |
| 1 | 25Z6-GT | $1.00 | National Union | 100% / 100% | --- | used (rb) | --- |
| 1 | 25Z6-GT | $1.00 | National Union | 100% / 100% | --- | used (rb) | JAN |
| 1 | 25Z6-GT | $1.00 | Ken-Rad | 100% / 100% | --- | used (rb) | --- |
| 1 | 25Z6-GT | $1.00 | CBS / Hytron | 100% / 110% | --- | used (rb) | --- |
| 1 | 25Z6-GT | $1.00 | Rogers | 100% / 100% | --- | used (rb) | --- |
| 1 | 25Z6-GT | $1.00 | Raytheon | 100% / 100% | --- | used (rb) | --- |
| 1 | 25Z6-GT | $1.00 | Zenith | 100% / 100% | --- | used (ob) | --- |
| 1 | 25Z6-GT | $0.50 | GE | 90% / 95% | --- | used (rb) | orange lettering |
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| 1 | 35Z4-GT | $3.00 | Hytron | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Hytron | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Hytron | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Hytron | 115% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Hytron | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Hytron | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Hytron | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Hytron | 110% | --- | NOS (OB) | missing box end |
| 1 | 35Z4-GT | $3.00 | Hytron Bantam | untested | sealed in box | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 110% | --- | NOS (OB) | damaged box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 110% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Raytheon | 115% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 110% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 110% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raytheon | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raythoen | 120% | --- | NOS (OB) | sealed in box |
| 1 | 35Z4-GT | $3.00 | Raythoen | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Sylvania | 120% | --- | NOS (OB) | sealed in box - water damagaed box |
| 1 | 35Z4-GT | $3.00 | Sylvania | 120% | --- | NOS (OB) | green lettering |
| 1 | 35Z4-GT | $3.00 | Sylvania | 120% | --- | NOS (OB) | green lettering |
| 1 | 35Z4-GT | $3.00 | Sylvania | 120% | --- | NOS (OB) | green lettering |
| 1 | 35Z4-GT | $3.00 | Sylvania | 110% | --- | NOS (OB) | green lettering |
| 1 | 35Z4-GT | $3.00 | National Union | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | National Union | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | National Union | 110% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | National Union | 110% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Tung-Sol | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Tung-Sol | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | RCA | 120% | --- | NOS (OB) | red lettering |
| 1 | 35Z4-GT | $3.00 | Philco | 120% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Philco | 110% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $3.00 | Admiral | 110% | --- | NOS (OB) | --- |
| 1 | 35Z4-GT | $1.50 | RCA | 110% | --- | used (rb) | silver lettering |
| 1 | 35Z4-GT | $1.50 | Raytheon | 110% | --- | used (rb) | --- |
| 1 | 35Z4-GT | $1.50 | Hytron | 110% | --- | used (rb) | --- |
| 1 | 35Z4-GT | $1.50 | Tung-Sol | 110% | --- | used (rb) | --- |
| 1 | 35Z4-GT | $1.50 | National Union | 110% | --- | used (rb) | --- |
| 1 | 35Z4-GT | $1.50 | Firestone Air Chief by Ken-Rad | 110% | --- | used (rb) | metal base band |
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, (TT)=Tall Tubular, (M)=Metal, (M7)=7pin miniature,
M9=9pin miniature, (SM)=subminiature, 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 Radio 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.
Shipping and Handling Information
Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com
Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.
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and
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for more savings!
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