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 | 25A6 | $6.00 | Cunningham | 100% | 2700 / 2300Gm | NOS (OB) | metal |
| 1 | 25A6 | $6.00 | RCA | untested | sealed in box | NOS (OB) | metal |
| 1 | 25A6 | $5.00 | National Union | 100% | 3000 / 2300Gm | used (OB) | metal |
| 1 | 25A6 | $3.00 | RCA | 100% | 3000 / 2300Gm | used leaky (2M) (OB) | metal - silver lettering |
| 1 | 25A6 | $3.00 | RCA | 100% | 3000 / 2300Gm | used leaky (5M) (OB) | metal - silver lettering |
| 1 | 25A6 | $3.00 | RCA | 110% | 2900 / 2300Gm | used leaky (2M) (OB) | metal - silver lettering |
| 1 | 25A6 | $3.00 | RCA | 110% | 3000 / 2300Gm | used leaky (1M) (OB) | metal - silver lettering |
| 1 | 25A6 | $3.00 | RCA | 100% | 3000 / 2300Gm | used leaky (1M) (OB) | metal - silver lettering |
| 1 | 25A6 | $3.00 | RCA | 100% | 2800 / 2300Gm | used leaky (2M) (OB) | metal - silver lettering |
| 1 | 25A6-GT | $2.50 | Tung-Sol | 100% | 3199 / 2300Gm | used (wb) | black coat |
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| 1 | 25A7-GT | $4.00 | Tung-Sol | 110% diode:130% | 2400 / 1800Gm | NOS (ob) | black coat - damaged box |
| 1 | 25A7-GT | $4.00 | RCA | 100% diode:110% | 2200 / 1800Gm | used (ob) | black coat |
| 1 | 25A7-GT | $4.00 | RCA | 100% diode:80% | 2400 / 1800Gm | used (rb) | black coat |
| 1 | 25A7-GT | $4.00 | Philco | 120% diode:120% | 1800 / 1800Gm | used (ob) | black coat |
| 1 | 25A7-GT | $4.00 | Le-Hi | 100% diode:120% | 2500 / 1800Gm | used (ob) | black coat |
| 1 | 25A7-GT | $4.00 | Sylvania | 110% diode:130% | 2200 / 1800Gm | used (L) | black coat |
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| 1 | 25AC5-GT | $5.00 | National Union | 120% | 1500 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | National Union | 130% | 1450 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | National Union | 130% | 1500 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | National Union | 120% | 1600 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | National Union | 130% | 1600 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | National Union | 120% | 1600 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | National Union | 130% | 1700 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | Tung-Sol | 120% | 1500 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | Tung-Sol | 130% | 1600 / 1000Gm | NOS (OB) | black coat |
| 1 | 25AC5-GT | $5.00 | Arcturus | untested | sealed in box | NOS (OB) | --- |
| 1 | 25AC5-GT | $5.00 | National Union | untested | sealed in box | NOS (OB) | --- |
| 1 | 25AC5-GT | $5.00 | National Union | untested | sealed in box | NOS (OB) | --- |
| 1 | 25AC5-GT | $5.00 | Delco | 130% | 1400 / 1000Gm | NOS (OB) | black coat |
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| 1 | 25W4-GT | $2.50 | GE | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $2.50 | Tung-Sol | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $2.50 | RCA | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $2.50 | CBS | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $2.50 | Sylvania | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $2.50 | Sylvania | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $2.50 | Sylvania | 110% | --- | NOS (OB) | --- |
| 1 | 25W4-GT | $1.50 | RCA | 110% | --- | used (OB) | --- |
| 1 | 25W4-GT | $1.50 | RCA | 110% | --- | used (OB) | --- |
| 1 | 25W4-GT | $1.50 | Tung-Sol | 110% | --- | used (OB) | --- |
| 1 | 25W4-GT | $1.00 | RCA | 100 | --- | used (OB) | --- |
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| 1 | 32L7-GT | $3.00 | Tung-Sol | 120% diode:120% | 6250 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:120% | 6500 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 6000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 6000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 130% diode:110% | 6500 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 6500 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 120% diode:110% | 6250 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 6000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 120% diode:110% | 6250 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 5750 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 120% diode:130% | 5200 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 5000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 110% diode:110% | 5000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 120% diode:120% | 5000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Tung-Sol | 130% diode:110% | 5100 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | GE | 120% diode:120% | 5200 / 4800Gm | NOS (OB) | sealed in box |
| 1 | 32L7-GT | $3.00 | GE | 120% diode:120% | 5200 / 4800Gm | NOS (OB) | sealed in box |
| 1 | 32L7-GT | $3.00 | GE | 120% diode:120% | 5000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Sylvania | 120% diode:120% | 5000 / 4800Gm | NOS (OB) | black coat - green lettering |
| 1 | 32L7-GT | $3.00 | Sylvania | 120% diode:120% | 5750 / 4800Gm | NOS (OB) | black coat - green lettering |
| 1 | 32L7-GT | $3.00 | RCA | 110% diode:120% | 5000 / 4800Gm | NOS (OB) | black coat - silver lettering |
| 1 | 32L7-GT | $3.00 | RCA | 115% diode:120% | 5000 / 4800Gm | NOS (OB) | black coat - silver lettering |
| 1 | 32L7-GT | $3.00 | RCA | 120% diode:120% | 5200 / 4800Gm | NOS (OB) | black coat - silver lettering |
| 1 | 32L7-GT | $3.00 | Raytheon | 120% diode:120% | 5400 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | National Union | 120% diode:120% | 4900 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hytron | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Arcturus | untested | sealed in box | NOS (OB) | --- |
| 1 | 32L7-GT | $3.00 | Hyvac | 130% diode: 120% | 6000 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $3.00 | Hyvac | 130% diode: 120% | 5500 / 4800Gm | NOS (OB) | black coat |
| 1 | 32L7-GT | $1.50 | RCA | 120% diode: 115% | 5000 / 4800Gm | used (rb) | black coat - silver lettering |
| 1 | 32L7-GT | $1.50 | RCA Victor | 120% diode: 110% | 5000 / 4800Gm | used (rb) | black coat |
| 1 | 32L7-GT | $1.50 | Tung-Sol | 110% diode: 110% | 4800 / 4800Gm | used (rb) | black coat |
| 1 | 32L7-GT | $1.50 | Greylock | 120% diode: 115% | 5000 / 4800Gm | used (rb) | black coat |
| 1 | 32L7-GT | $1.50 | Greylock | 100% diode: 120% | 4000 / 4800Gm | used (rb) | black coat |
| 1 | 32L7-GT | $1.50 | Greylock | 130% diode: 110% | 6000 / 4800Gm | used (rb) | black coat |
| 1 | 32L7-GT | $1.50 | Greylock | 120% diode: 120% | 6000 / 4800Gm | used (rb) | black coat |
| 1 | 32L7-GT | $1.50 | Arcturus | 130% diode: 120% | 5500 / 4800Gm | used (rb) | gray coat - metal base band |
| 1 | 32L7-GT | $0.50 | Tung-Sol | 90% diode: 110% | 4200 / 4800Gm | used (rb) | black coat |
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| 1 | 45Z5-GT | $5.00 | Hytron | 110% | --- | NOS (OB) | torn box flap |
| 1 | 45Z5-GT | $5.00 | Hytron | untested | --- | NOS (OB) | sealed in box |
| 1 | 45Z5-GT | $5.00 | Hytron | untested | --- | NOS (OB) | sealed in box |
| 1 | 45Z5-GT | $5.00 | Hytron | untested | --- | NOS (OB) | sealed in box |
| 1 | 45Z5-GT | $2.50 | RCA | 120% | --- | used (OB) | silver lettering |
| 1 | 45Z5-GT | $2.50 | Hytron | 110% | --- | used (OB) | --- |
| 1 | 45Z5-GT | $2.50 | Hytron | 110% | --- | used (OB) | --- |
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| 1 | 70L7-GT | $3.00 | RCA | 120% diode:120% | 7000 / 5000Gm | NOS (OB) | black coat - missing box flap |
| 1 | 70L7-GT | $3.00 | Raytheon | 130% diode:120% | 7500 / 5000Gm | NOS (OB) | sealed in box - worn box |
| 1 | 70L7-GT | $3.00 | Raytheon | 120% diode:120% | 7500 / 5000Gm | NOS (OB) | sealed in box |
| 1 | 70L7-GT | $3.00 | Raytheon | 130% diode:110% | 7500 / 5000Gm | NOS (OB) | sealed in box - worn box |
| 1 | 70L7-GT | $3.00 | Raytheon | 120% diode:120% | 7000 / 5000Gm | NOS (OB) | black coat |
| 1 | 70L7-GT | $3.00 | Raytheon | 120% diode:100% | 7500 / 5000Gm | NOS (OB) | black coat |
| 1 | 70L7-GT | $3.00 | Tung-Sol | 140% diode:120% | 6000 / 5000Gm | NOS (OB) | black coat |
| 1 | 70L7-GT | $3.00 | Sylvania | 120% diode:120% | 6250 / 5000Gm | NOS (OB) | black coat |
| 1 | 70L7-GT | $3.00 | Sylvania | 110% diode:120% | 6500 / 5000Gm | NOS (OB) | black coat |
| 1 | 70L7-GT | $3.00 | Sylvania | 110% diode:110% | 6000 / 5000Gm | NOS (OB) | black coat - damaged box |
| 1 | 70L7-GT | $3.00 | Sylvania | 110% diode:110% | 6000 / 5000Gm | NOS (OB) | black coat - damaged box |
| 1 | 70L7-GT | $3.00 | Philco | 120% diode:110% | 7500 / 5000Gm | NOS (OB) | sealed in box |
| 1 | 70L7-GT | $3.00 | Philco | 120% diode:110% | 7250 / 5000Gm | NOS (OB) | sealed in box |
| 1 | 70L7-GT | $3.00 | Hyvac | 120% diode:120% | 6250 / 5000Gm | NOS (OB) | black coat |
| 1 | 70L7-GT | $1.00 | Tung-Sol | 130% diode:120% | 6000 / 5000Gm | used leaky (1M) (OB) | black coat |
| 1 | 70L7-GT | $1.00 | Wards Super Airline | 110% diode:110% | 8000 / 5000Gm | used leaky (2M) (L) | black coat |
| 1 | 70L7-GT | $1.00 | National Union | 100% diode:110% | 5200 / 5000Gm | used leaky (5M) (L) | brown base - black coat |
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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Discount Bargain Packs
and
Bargain Bin
for more savings!
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