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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, miniature, subminiature, metal, power, transmitter tubes and many more.
MDB Ventures Audio Tubes
Quantity
Available | Tube
Type | Price
Each | Tube
Brand | Emission
Strength | Mutual
Conductance |
Description |
Notes
|
| 1 | 2C50-GT | $12.00 | Taylor Tubes | 110%/110% | 1850/1800:1900/1800Gm | used (rb) | JAN - grid 'c' clips - brown base
| | 1 | 6AE5-GT | $6.00 | Raytheon | 120% | 1900/1200Gm | NOS (wb) | ---
| | 1 | 6AE5-GT | $6.00 | Raytheon | 130% | 1750/1200Gm | NOS (OB) | sealed in box
| | 1 | 6AE5-GT | $6.00 | National Union | 110% | 1300/1200Gm | NOS (OB) | ---
| | 1 | 6AE5-GT | $3.00 | National Union | 120% | 1400/1200Gm | used (rb) | ---
| | 1 | 6AE5-GT | $3.00 | Tung-Sol | 130% | 1500/1200Gm | used (wb) | rectangular ribbed black plate
| | 1 | 6AE7-GT | $35.00 | Zenith | 120%/120% | 1750/1500:1750/1500Gm | NOS (ob) | cardboard box with metal ends
| | 1 | 6AE7-GT | $35.00 | National Union | untested | sealed in box | NOS (ob) | ---
| | 1 | 6AR6/6098 | $25.00 | Tung-Sol | 110% | 6250/5400Gm | NOS (OB) | JAN - brown base
| | 1 | 6AR6/6098 | $20.00 | Tung-Sol | 100% | 6000/5400Gm | NOS (OB) | JAN - brown base
| | 1 | 6AR6 | $20.00 | Tung-Sol | 110% | 7000/5400Gm | NOS (OB) | JAN - brown base
| | 1 | 6AR6 | $18.00 | Tung-Sol | 100% | 6500/5400Gm | NOS (OB) | JAN - brown base
| | 1 | 6AR6WA/6098 | $12.00 | Tung-Sol | 100% | 7000/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6WA/6098 | $12.00 | Tung-Sol | 100% | 7000/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6WA/6098 | $12.00 | Tung-Sol | 110% | 6700/5400Gm | used (rb) | JAN - brown base
| | 1 | 6AR6WA/6098 | $12.00 | Tung-Sol | 100% | 6500/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $10.00 | Tung-Sol | 100% | 6500/5400Gm | used (ob) | JAN - brown base
| | 1 | 6AR6 | $10.00 | Tung-Sol | 100% | 6500/5400Gm | used (rb) | JAN - brown base
| | 1 | 6AR6 | $10.00 | Tung-Sol | 100% | 6500/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $10.00 | Tung-Sol | 100% | 6750/5400Gm | used (L) | JAN - brown base - rounded plate
| | 1 | 6AR6 | $10.00 | Tung-Sol | 120% | 5400/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $10.00 | Tung-Sol | 100% | 6000/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $10.00 | Tung-Sol | 100% | 6000/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $8.00 | Tung-Sol | 95% | 5700/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $8.00 | Tung-Sol | 95% | 5700/5400Gm | used (L) | brown base
| | 1 | 6AR6 | $7.00 | Tung-Sol | 90% | 5900/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $7.00 | Tung-Sol | 90% | 5900/5400Gm | used (L) | JAN - brown base
| | 1 | 6AR6 | $5.00 | Tung-Sol | 85% | 5000/5400Gm | used (L) | JAN - brown base - rounded plate
| | 1 | 6384/6AR6 | $75.00 | Bendix | 110% | 5400/5400Gm | used (wb) | JAN - ceramic base - ceramic spacers - metal supports - super heavy duty Bendix Red Bank version of 6AR6 (cat:409-3)
| | 1 | 6384/6AR6 | $20.00 | Bendix | 50% | 3600/5400Gm | used (rb) | JAN - ceramic base - ceramic spacers - metal supports - super heavy duty Bendix Red Bank version of 6AR6 (cat:409-3)
| | 1 | 6SU7GTY | $50.00 | Tung-Sol | 110%/110% | 1200:1200/1200Gm | NOS (wb) | JAN - bottom getter - black coat - brown base - round black plates
| | 1 | 6SU7GTY | $50.00 | Tung-Sol | 110%/110% | 1200:1200/1200Gm | NOS (wb) | JAN - bottom getter - black coat - brown base - round black plates
| | 1 | 6SU7GTY | $30.00 | Tung-Sol | 120%/120% | 1200:1200/1200Gm | used (wb) | JAN - bottom getter - black coat - brown base - round black plates
| | 1 | 6U6-GT | $3.00 | National Union | 120% | 4500/4200Gm | NOS (OB) | black coat
| | 1 | 6U6-GT | $3.00 | National Union | 120% | 4500/4200Gm | NOS (OB) | black coat
| | 1 | 6U6-GT | $3.00 | National Union | 120% | 4500/4200Gm | NOS (OB) | black coat
| | 1 | 6U6-GT | $3.00 | Raytheon | 120% | 4600/4200Gm | NOS (OB) | black coat
| | 1 | 6U6-GT | $3.00 | Tung-Sol | untested | sealed in box | NOS (OB) | ---
| | 1 | 6U6-GT | $3.00 | Raytheon | 110% | 4600/4200Gm | used (rb) | black coat - grid 'c' clip
| | 1 | 6U6-GT | $3.00 | Raytheon | 130% | 4500/4200Gm | used (rb) | black coat
| | 1 | 6U6-GT | $3.00 | Tung-Sol | 130% | 4600/4200Gm | used (wb) | black coat
| | 1 | 6U6-GT | $1.00 | Raytheon | 130% | 5200/4200Gm | used (L) | black coat - grid 'c' clip - cracked base
| | 1 | 6U6-GT | $1.00 | Raytheon | 120% | 5100/4200Gm | used (L) | black coat - grid 'c' clip - loose base
| | 1 | 6U6-GT | $1.00 | Raytheon | 100% | 4500/4200Gm | used (L) | black coat - grid 'c' clip - loose base
| | 1 | 6U6-GT | $1.00 | Sylvania | 90% | 3400/4200Gm | used (rb) | black coat - green lettering
| | 1 | 12SX7GT | $24.00 | RCA | 120%/120% | 2500:2500/2000Gm | used (rb) | bottom getter - rectangular black plates
| | 1 | 12SX7GT | $24.00 | RCA | 130%/125% | 2800:2700/2000Gm | used (wb) | JAN - bottom getter - rectangular black plates
| | 1 | 12SX7GT | $24.00 | RCA | 150%/150% | 3200:3300/2000Gm | used (wb) | bottom getter - rectangular black plates
| | 1 | 12SX7GT | $20.00 | GE | 130%/140% | 3200:3000/2000Gm | used (wb) | JAN - bottom getter - rectangular black plates
| | 1 | 12SX7GT | $20.00 | Sylvania | 140%/140% | 2800:2800/2000Gm | used (rb) | JAN - top getter - square black plates
| | 1 | 26E6WG | $7.50 | Tung-Sol | 110% | 7000/6000Gm | used (L) | brown base - JAN
| | 1 | 26E6WG | $5.00 | Tung-Sol | 110% | 7500/6000Gm | used (L) | brown base - JAN - loose base
| | 1 | 26E6WG | $2.00 | Tung-Sol | 80% | 5500/6000Gm | used (L) | brown base - JAN
| | 1 | 1633 | $3.00 | RCA | 120%/130% | 3200:3400/2600Gm | used (wb) | gray coat - 25V 6SN7
| | 1 | 1633 | $2.50 | RCA | 90%/100% | 2500:2550/2600Gm | used (wb) | gray coat - 25V 6SN7
| | 1 | 1633 | $3.00 | RCA | 100%/100% | 2600:2600/2600Gm | used (wb) | gray coat - 25V 6SN7
| | 1 | 1633 | $3.00 | Ken-Rad | 100%/100% | 2600:2700/2600Gm | used (wb) | black coat - 25V 6SN7
| | 1 | 5824/25B6 | $7.50 | GE | 110% | 4600/4000Gm | used (wb) | (ST) black coat - bottom getter
| | 1 | 5824/25B6 | $5.00 | GE | 110% | 4600/4000Gm | used (wb) | (GT) clear glass - top getter
| | 1 | 7027A | $50.00 | Realistic | 110% | 120dmc | used (rb) | ---
| | 1 | 7027A | $50.00 | Realistic | 110% | 120dmc | used (rb) | ---
| | 1 | 7027A | $45.00 | International Service Master | 90% | 100dmc | used (rb) | ---
| | 1 | 7355 | $20.00 | RCA | 105% | 100dmc | used (rb) | red lettering - grid 'c' clip
| | 1 | 7408 | $25.00 | RCA | 110% | 100dmc | NOS (OB) | ---
| | 1 | 7408 | $25.00 | RCA | 110% | 100dmc | NOS (OB) | ---
| | 1 | 7408 | $25.00 | Sylvania | 130% | 110dmc | NOS (OB) | gray coat - grid 'c' clip
| | 1 | 7591 | $20.00 | Toshiba | 110% | 100dmc | used (wb) | ---
|
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, (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 audio 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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