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 | 50Y6-GT | $3.00 | RCA | 110% / 110% | --- | NOS (OB) | silver lettering |
1 | 50Y6-GT | $3.00 | RCA | 110% / 110% | --- | NOS (OB) | silver lettering |
1 | 50Y6-GT | $3.00 | RCA | 110% / 110% | --- | NOS (OB) | silver lettering |
1 | 50Y6-GT | $3.00 | RCA | 110% / 110% | --- | NOS (OB) | silver lettering |
1 | 50Y6-GT | $3.00 | RCA | 120% / 120% | --- | NOS (OB) | silver lettering |
1 | 50Y6-GT | $3.00 | RCA | 120% / 120% | --- | NOS (OB) | red lettering |
1 | 50Y6-GT | $3.00 | RCA | 120% / 120% | --- | NOS (OB) | silver lettering |
1 | 50Y6-GT | $3.00 | RCA | 120% / 120% | --- | NOS (OB) | red lettering |
1 | 50Y6-GT | $3.00 | RCA | 120% / 120% | --- | NOS (OB) | red lettering |
1 | 50Y6-GT | $3.00 | Raytheon | 115% / 115% | --- | NOS (OB) | sealed in box |
1 | 50Y6-GT | $3.00 | Raytheon | 120% / 120% | --- | NOS (OB) | sealed in box |
1 | 50Y6-GT | $3.00 | Sylvania | 120% / 120% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 120% / 120% | --- | NOS (OB) | green lettering - damaged box |
1 | 50Y6-GT | $3.00 | Sylvania | 115% / 115% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 120% / 120% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 110% / 110% | --- | NOS (OB) | green lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 120% / 120% | --- | NOS (OB) | yellow lettering |
1 | 50Y6-GT | $3.00 | Sylvania | 115% / 115% | --- | NOS (OB) | yellow lettering |
1 | 50Y6-GT | $3.00 | Tung-Sol | 120% / 120% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | Philco | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | National Union | 120% / 120% | --- | NOS (wb) | --- |
1 | 50Y6-GT | $3.00 | National Union | 110% / 110% | --- | NOS (wb) | --- |
1 | 50Y6-GT | $3.00 | RCA Victor | 120% / 120% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | RCA Victor | 110% / 110% | --- | NOS (OB) | missing box flap |
1 | 50Y6-GT | $3.00 | Raytheon | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | Raytheon | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | Raytheon | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | Delco | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | Delco | 110% / 110% | --- | NOS (OB) | missing box flap |
1 | 50Y6-GT | $3.00 | CBS | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | CBS | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y6-GT | $3.00 | GE | 110% / 110% | --- | NOS (OB) | white lettering |
1 | 50Y6-GT | $3.00 | GE | 110% / 110% | --- | NOS (OB) | white lettering - torn box flap |
1 | 50Y6-GT | $1.50 | Sylvania | 120% / 120% | --- | used (rb) | green lettering |
1 | 50Y6-GT | $1.50 | RCA | 120% / 120% | --- | used (OB) | silver lettering |
1 | 50Y6-GT | $1.50 | Philco | 120% / 120% | --- | used (rb) | --- |
1 | 50Y6-GT | $1.50 | Philco | 110% / 110% | --- | used (L) | --- |
1 | 50Y6-GT | $1.50 | Raytheon | 110% / 110% | --- | used (rb) | --- |
1 | 50Y6-GT | $1.50 | Sylvania | 110% / 110% | --- | used (rb) | green lettering |
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1 | 50Y7-GT | $4.00 | RCA | 120% / 120% | --- | NOS (OB) | silver lettering - damaged box |
1 | 50Y7-GT | $4.00 | RCA | 110% / 115% | --- | NOS (OB) | red lettering |
1 | 50Y7-GT | $4.00 | Philco | 110% / 110% | --- | NOS (OB) | --- |
1 | 50Y7-GT | $4.00 | Raytheon | 115% / 115% | --- | NOS (OB) | --- |
1 | 50Y7-GT | $4.00 | Westinghouse | 115% / 115% | --- | NOS (OB) | --- |
1 | 50Y7-GT | $4.00 | Sylvania | 120% / 120% | --- | NOS (OB) | yellow lettering |
1 | 50Y7-GT | $4.00 | Sylvania | 110% / 110% | --- | NOS (OB) | yellow lettering |
1 | 50Y7-GT | $4.00 | Sylvania | 115% / 125% | --- | NOS (OB) | yellow lettering |
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1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5500 / 5000Gm | NOS (OB) | US Army - damaged box |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5500 / 5000Gm | NOS (OB) | JAN - damaged box |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5500 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5200 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5500 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | RCA | 120% diode 100% | 6000 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5200 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5500 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | RCA | 120% diode 100% | 5000 / 5000Gm | NOS (OB) | silver lettering |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5000 / 5000Gm | NOS (OB) | silver lettering |
1 | 117N7-GT | $5.00 | RCA | 120% diode 100% | 5000 / 5000Gm | NOS (OB) | silver lettering |
1 | 117N7-GT | $5.00 | RCA | 110% diode 100% | 5200 / 5000Gm | NOS (OB) | silver lettering |
1 | 117N7-GT | $5.00 | RCA | 130% diode 100% | 5500 / 5000Gm | NOS (OB) | JAN |
1 | 117N7-GT | $5.00 | Raytheon | 120% diode 100% | 5000 / 5000Gm | NOS (OB) | sealed in box |
1 | 117N7-GT | $5.00 | Delco | 120% diode 100% | 5200 / 5000Gm | NOS (OB) | --- |
1 | 117N7-GT | $5.00 | Delco | 120% diode 100% | 5200 / 5000Gm | NOS (OB) | missing box flap |
1 | 117N7-GT | $5.00 | Delco | 110% diode 100% | 5500 / 5000Gm | NOS (OB) | torn box flap |
1 | 117N7-GT | $2.50 | RCA | 110% diode 100% | 4500 / 5000Gm | used (OB) | JAN |
1 | 117N7-GT | $2.50 | RCA | 100% diode 100% | 5000 / 5000Gm | used (OB) | silver lettering |
1 | 117N7-GT | $2.50 | RCA | 110% diode 100% | 3750 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $2.50 | RCA | 110% diode 100% | 5500 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $2.50 | RCA | 110% diode 100% | 5000 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $2.50 | RCA | 120% diode 90% | 5750 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $2.50 | RCA | 110% diode 100% | 4500 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $2.50 | RCA | 110% diode 100% | 5500 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $0.50 | RCA | 110% diode 0% (dead) | 5500 / 5000Gm | used (rb) | silver lettering |
1 | 117N7-GT | $0.50 | Sylvania | 80% diode 90% | 3000 / 5000Gm | used (rb) | green lettering |
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1 | 117P7-GT | $5.00 | National Union | 110% diode 120% | 5200 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | National Union | 110% diode 120% | 5300 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | National Union | 110% diode 130% | 5200 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | National Union | 110% diode 120% | 5100 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | Tung-Sol | 120% diode 130% | 5200 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | Tung-Sol | 110% diode 130% | 5000 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | Tung-Sol | 110% diode 120% | 4900 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | Tung-Sol | 110% diode 130% | 5000 / 5000Gm | NOS (OB) | --- |
1 | 117P7-GT | $5.00 | Sylvania | 120% diode 120% | 5500 / 5000Gm | NOS (OB) | green lettering |
1 | 117P7-GT | $2.50 | RCA | 140% diode 120% | 5400 / 5000Gm | used (rb) | silver lettering |
1 | 117P7-GT | $2.50 | RCA | 120% diode 130% | 4600 / 5000Gm | used (rb) | silver lettering |
1 | 117P7-GT | $2.50 | RCA | 130% diode 120% | 5200 / 5000Gm | used (rb) | silver lettering |
1 | 117P7-GT | $2.50 | Philco | 110% diode 110% | 5000 / 5000Gm | used (rb) | --- |
1 | 117P7-GT | $2.50 | Ken-Rad | 110% diode 110% | 5300 / 5000Gm | used (rb) | --- |
1 | 117P7-GT | $2.50 | Cunningham | 100% diode 120% | 3600 / 5000Gm | used (rb) | --- |
1 | 117P7-GT | $2.50 | Tung-Sol | 120% diode 120% | 5100 / 5000Gm | used (rb) | --- |
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1 | 117L7 / 117M7-GT | $6.00 | Ken-Rad | 115% diode:110% | 5300 / 4000Gm | NOS (OB) | --- |
1 | 117L7 / 117M7-GT | $6.00 | GE | 120% diode:110% | 5800 / 4000Gm | NOS (OB) | sealed in box |
1 | 117L7 / 117M7-GT | $6.00 | Raytheon | 115% diode:110% | 5000 / 4000Gm | NOS (OB) | --- |
1 | 117L7 / 117M7-GT | $6.00 | Philco | 110% diode:110% | 5500 / 4000Gm | NOS (OB) | damaged box |
1 | 117L7 / 117M7-GT | $6.00 | Philco | 110% diode:110% | 5400 / 4000Gm | NOS (OB) | damaged box |
1 | 117L7 / 117M7-GT | $6.00 | Philco | 120% diode:120% | 5400 / 4000Gm | NOS (OB) | damaged box |
1 | 117L7 / 117M7-GT | $6.00 | Wizard | 120% diode:110% | 5400 / 4000Gm | NOS (OB) | --- |
1 | 117L7 / 117M7-GT | $6.00 | Radiocoin | 120% diode:110% | 5400 / 4000Gm | NOS (OB) | --- |
1 | 117L7 / 117M7-GT | $6.00 | Rapsco | 120% diode:110% | 5400 / 4000Gm | NOS (OB) | --- |
1 | 117L7 / 117M7-GT | $3.00 | RCA | 110% diode:110% | 5200 / 4000Gm | used (rb) | silver lettering |
1 | 117L7 / 117M7-GT | $3.00 | RCA | 100% diode:105% | 4800 / 4000Gm | used (rb) | silver lettering |
1 | 117L7 / 117M7-GT | $3.00 | CBS / Hytron | 110% diode:110% | 5000 / 4000Gm | used (rb) | --- |
1 | 117L7 / 117M7-GT | $3.00 | GE | 110% diode:110% | 4500 / 4000Gm | used (rb) | white lettering |
1 | 117L7 / 117M7-GT | $3.00 | Raytheon | 110% diode:110% | 5400 / 4000Gm | used (rb) | --- |
1 | 117L7 / 117M7-GT | $3.00 | Ken-Rad | 110% diode:110% | 5300 / 4000Gm | used (rb) | --- |
1 | 117L7 / 117M7-GT | $3.00 | National Union | 120% diode:110% | 5400 / 4000Gm | used (L) | --- |
1 | 117L7 / 117M7-GT | $3.00 | National Union | 110% diode:110% | 4500 / 4000Gm | used (L) | --- |
1 | 117L7 / 117M7-GT | $3.00 | Natioanl Union | 110% diode:110% | 4800 / 4000Gm | used (L) | --- |
1 | 117L7-GT | $3.00 | Emerson | 100% diode:110% | 4000 / 4000Gm | used (L) | --- |
1 | 117L7 / 117M7-GT | $1.00 | RCA | 90% diode:100% | 4000 / 4000Gm | used (L) | --- |
1 | 117L7 / 117M7-GT | $1.00 | RCA | 90% diode:110% | 3400 / 4000Gm | used (L) | --- |
1 | 117L7 / 117M7-GT | $1.00 | Tung-Sol | 110% diode:110% | 5500 / 4000Gm | used leaky (1M) (rb) | --- |
1 | 117L7 / 117M7-GT | $1.00 | Sylvania | 120% diode:110% | 5500 / 4000Gm | used leaky (2M) (L) | green lettering |
1 | 117L7 / 117M7-GT | $1.00 | Tung-Sol | 110% diode:100% | 4800 / 4000Gm | used leaky (1M) (L) | --- |
1 | 117L7 / 117M7-GT | $1.00 | Hytron | 110% diode:120% | 5500 / 4000Gm | used leaky (5M) (L) | --- |
1 | 117L7 / 117M7-GT | $1.00 | RCA | 100% diode:100% | 5000 / 4000Gm | used leaky (5M) (L) | brown base |
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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