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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, subminature, metal, power, transmitter tubes and many more.
If you need a tube you don't see here, just send us an email
and we will let you know what we have and the prices.
We have both NOS and used tubes available for most of the tube numbers.
MDB Ventures Radio Tubes
Quantity
Available | Tube
Type | Price
Each | Tube
Brand | Emission
Strength | Mutual
Conductance |
Description |
Notes
|
| 1 | 12SK7-MG | $7.50 | Sylvania | 120% | 2400/2000Gm | NOS (OB) | metal/glass
| | 1 | 12SK7Y | $7.50 | RCA | 120% | 2400/2000Gm | NOS (wb) | metal - damaged box - brown base
| | 1 | 12SK7/VT-131 | $5.00 | RCA | 130% | 2500/2000Gm | NOS (OB) | metal - US Army
| | 1 | 12SK7/VT-131 | $5.00 | RCA | 110% | 2200/2000Gm | NOS (OB) | metal - US Army
| | 1 | 12SK7/VT-131 | $5.00 | Western Electric | 120% | 2500/2000Gm | NOS (OB) | metal - US Army - sealed in box
| | 1 | 12SK7/VT-131 | $5.00 | Western Electric | 120% | 2400/2000Gm | NOS (OB) | metal - US Army - sealed in box
| | 1 | 12SK7/VT-131 | $5.00 | Western Electric | 130% | 2500/2000Gm | NOS (OB) | metal - US Army - sealed in box
| | 1 | 12SK7/VT-131 | $5.00 | Western Electric | 120% | 2400/2000Gm | NOS (OB) | metal - US Army - sealed in box
| | 1 | 12SK7/VT-131 | $5.00 | Ken-Rad | 130% | 2600/2000Gm | NOS (OB) | metal - JAN - sealed in box
| | 1 | 12SK7 | $5.00 | RCA | 140% | 2600/2000Gm | NOS (OB) | metal - US Navy - sealed in box
| | 1 | 12SK7 | $5.00 | RCA | 130% | 2600/2000Gm | NOS (OB) | metal - US Navy - sealed in box
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2500/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - US Navy - sealed in box
| | 1 | 12SK7 | $5.00 | RCA | 110% | 2100/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 100% | 2100/2000Gm | NOS (OB) | metal - US Navy - sealed in box
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2500/2000Gm | NOS (OB) | metal - US Navy - sealed in box
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2500/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 110% | 2200/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 110% | 2200/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 110% | 2200/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2200/2000Gm | NOS (OB) | metal - US Navy
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2400/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 130% | 2400/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 130% | 2500/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 130% | 2500/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2500/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 130% | 2600/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 130% | 2500/2000Gm | NOS (OB) | metal - red lettering
| | 1 | 12SK7 | $5.00 | RCA | 110% | 2300/2000Gm | NOS (OB) | metal - silver lettering
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2500/2000Gm | NOS (OB) | metal - silver lettering
| | 1 | 12SK7 | $5.00 | RCA | 120% | 2500/2000Gm | NOS (OB) | metal - silver lettering
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2300/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2400/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 130% | 2700/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Ratheon | 120% | 2400/2000Gm | NOS (OB) | metal - torn box flap
| | 1 | 12SK7 | $5.00 | GE | 110% | 2400/2000Gm | NOS (OB) | metal - white lettering
| | 1 | 12SK7 | $5.00 | GE | 110% | 2300/2000Gm | NOS (OB) | metal - white lettering
| | 1 | 12SK7 | $5.00 | CBS | 110% | 2400/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | CBS | 110% | 2400/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | CBS | 120% | 2400/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | CBS | 110% | 2300/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Sylvania | 120% | 2400/2000Gm | NOS (OB) | metal - yellow lettering - damaged box
| | 1 | 12SK7 | $5.00 | Sylvania | 130% | 2700/2000Gm | NOS (OB) | metal - yellow lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 130% | 2400/2000Gm | NOS (OB) | metal - yellow lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 140% | 2700/2000Gm | NOS (OB) | metal - yellow lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 130% | 2500/2000Gm | NOS (OB) | metal - yellow lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 120% | 2500/2000Gm | NOS (OB) | metal - yellow lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 110% | 2100/2000Gm | NOS (OB) | metal - yellow lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 110% | 2200/2000Gm | NOS (OB) | metal - green lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 110% | 2300/2000Gm | NOS (OB) | metal - green lettering
| | 1 | 12SK7 | $5.00 | Sylvania | 120% | 2300/2000Gm | NOS (OB) | metal - green lettering
| | 1 | 12SK7 | $5.00 | Westinghouse | 110% | 2200/2000Gm | NOS (OB) | metal - damaged box
| | 1 | 12SK7 | $5.00 | Ken-Rad | 110% | 2200/2000Gm | NOS (OB) | metal - damaged box
| | 1 | 12SK7 | $5.00 | Motorola | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Motorola | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Motorola | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Motorola | 120% | 2500/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Tung-Sol | 110% | 2400/2000Gm | NOS (wb) | metal
| | 1 | 12SK7 | $5.00 | Tung-Sol | 110% | 2300/2000Gm | NOS (OB) | metal
| | 1 | 12SK7 | $5.00 | Tung-Sol | 120% | 2600/2000Gm | NOS (OB) | metal
| | 1 | 12SK7-GT | $5.00 | CBS | 100% | 2200/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | CBS | 110% | 2600/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | CBS | 110% | 2200/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | CBS/Hytron | 130% | 2500/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | CBS/Hytron | 110% | 2400/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Zalytron | 110% | 2400/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | GM/Delco | 130% | 2700/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | RCA | 120% | 2300/2000Gm | NOS (OB) | metal base band - black lettering
| | 1 | 12SK7-GT | $5.00 | RCA | 110% | 2300/2000Gm | NOS (OB) | metal base band - black lettering
| | 1 | 12SK7-GT | $5.00 | Raytheon | 120% | 2500/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Raythoen | 120% | 2500/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Tung-Sol | 130% | 2500/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Tung-Sol | 110% | 2500/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Tung-Sol | 120% | 2300/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Tung-Sol | 130% | 2500/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7-GT | $5.00 | Sylvania | 120% | 2400/2000Gm | NOS (OB) | metal base band
| | 1 | 12SK7Y | $5.00 | RCA | 120% | 2500/2000Gm | used (rb) | metal - JAN - brown base
| | 1 | 12SK7/VT-131 | $2.00 | Ken-Rad | 120% | 2600/2000Gm | used (rb) | metal
| | 1 | 12SK7/VT-131 | $2.00 | Ken-Rad | 120% | 2700/2000Gm | used (rb) | metal
| | 1 | 12SK7/VT-131 | $2.00 | Ken-Rad | 110% | 2400/2000Gm | used (rb) | metal
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 120% | 2400/2000Gm | used (rb) | metal - US Army
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 120% | 2400/2000Gm | used (rb) | metal - US Army
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 110% | 2100/2000Gm | used (rb) | metal
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 110% | 2100/2000Gm | used (rb) | metal - US Army
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 110% | 2400/2000Gm | used (rb) | metal - JAN
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 110% | 2000/2000Gm | used (rb) | metal - JAN
| | 1 | 12SK7/VT-131 | $2.00 | RCA | 110% | 2000/2000Gm | used (rb) | metal - JAN
| | 1 | 12SK7 | $2.00 | RCA | 110% | 2200/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 100% | 1900/2000Gm | used (rb) | metal - silver lettering
| | 1 | 12SK7 | $2.00 | RCA | 110% | 2200/2000Gm | used (wb) | metal - silver lettering
| | 1 | 12SK7 | $2.00 | RCA | 110% | 2200/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 100% | 2000/2000Gm | used (rb) | metal - silver lettering
| | 1 | 12SK7 | $2.00 | RCA | 120% | 2400/2000Gm | used (rb) | metal - silver lettering
| | 1 | 12SK7 | $2.00 | RCA | 100% | 2000/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 110% | 2200/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 110% | 2300/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 110% | 2200/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 115% | 2400/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 100% | 2400/2000Gm | used (rb) | metal - silver lettering
| | 1 | 12SK7 | $2.00 | RCA | 130% | 2600/2000Gm | used (rb) | metal - silver lettering
| | 1 | 12SK7 | $2.00 | RCA | 120% | 2300/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 100% | 2100/2000Gm | used (rb) | metal - silver lettering - US Navy
| | 1 | 12SK7 | $2.00 | RCA | 120% | 2500/2000Gm | used (rb) | metal - red lettering
| | 1 | 12SK7 | $2.00 | RCA | 100% | 2100/2000Gm | used (rb) | metal - red lettering
| | 1 | 12SK7 | $2.00 | RCA Victor | 100% | 1900/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | RCA Victor | 110% | 2200/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | RCA Victor | 100% | 1900/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | RCA Victor | 120% | 2400/2000Gm | used (wb) | metal
| | 1 | 12SK7 | $2.00 | Rogers | 120% | 2200/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Rogers | 120% | 2400/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Philco | 110% | 2200/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Philco | 100% | 1900/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | GE | 100% | 2200/2000Gm | used (rb) | metal - white lettering
| | 1 | 12SK7 | $2.00 | GE | 110% | 2300/2000Gm | used (rb) | metal - white lettering
| | 1 | 12SK7 | $2.00 | GE | 100% | 1700/2000Gm | used (rb) | metal - white lettering
| | 1 | 12SK7 | $2.00 | GM/Delco | 105% | 2100/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Tung-Sol | 130% | 2600/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Ken-Rad | 110% | 2400/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Ken-Rad | 110% | 2500/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Ken-Rad | 120% | 2400/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Sylvania | 120% | 2600/2000Gm | used (rb) | metal - yellow lettering
| | 1 | 12SK7 | $2.00 | Sylvania | 100% | 2000/2000Gm | used (rb) | metal - green lettering
| | 1 | 12SK7 | $2.00 | Silvertone | 130% | 2500/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Raytheon | 140% | 2650/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Wards Super Airline | 120% | 2200/2000Gm | used (rb) | metal
| | 1 | 12SK7 | $2.00 | Ken-Rad | 100% | 1700/2000Gm | used (L) | metal
| | 1 | 12SK7 | $2.00 | RCA | 100% | 2200/2000Gm | used (L) | metal - silver lettering
| | 1 | 12SK7-GT | $2.00 | Silertone | 100% | 1800/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | Tung-Sol | 120% | 2500/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | Tung-Sol | 130% | 2500/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | Tung-Sol | 100% | 2400/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | Raytheon | 120% | 2400/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | Hytron | 120% | 2500/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | RCA | 100% | 2200/2000Gm | used (wb) | metal base band
| | 1 | 12SK7-GT | $2.00 | unknown | 130% | 2500/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $2.00 | Hytron | 100% | 2100/2000Gm | used (L) | metal base band
| | 1 | 12SK7-GT | $2.00 | Hytron | 100% | 2000/2000Gm | used (L) | metal base band
| | 1 | 12SK7-GT | $2.00 | RCA | 125% | 2600/2000Gm | used (L) | metal base band - black lettering
| | 1 | 12SK7/VT-131 | $1.00 | RCA | 90% | 1800/2000Gm | used (L) | metal - JAN
| | 1 | 12SK7 | $1.00 | RCA | 90% | 2200/2000Gm | used (L) | metal - minor rust on tube - silver lettering
| | 1 | 12SK7 | $1.00 | RCA | 90% | 1500/2000Gm | used (L) | metal - silver lettering
| | 1 | 12SK7 | $1.00 | RCA | 90% | 1800/2000Gm | used (L) | metal - silver lettering
| | 1 | 12SK7 | $1.00 | RCA | 90% | 1700/2000Gm | used (L) | metal - silver lettering
| | 1 | 12SK7 | $1.00 | RCA | 90% | 2000/2000Gm | used (L) | metal - silver lettering
| | 1 | 12SK7 | $1.00 | Ken-Rad | 90% | 1800/2000Gm | used (L) | metal
| | 1 | 12SK7 | $1.00 | Tung-Sol | 90% | 1900/2000Gm | used (L) | metal
| | 1 | 12SK7 | $1.00 | GE | 90% | 1900/2000Gm | used (L) | metal - white lettering
| | 1 | 12SK7 | $1.00 | Sylvania | 90% | 1600/2000Gm | used (L) | metal - green lettering
| | 1 | 12SK7 | $1.00 | Wards Super Airlin | 90% | 1700/2000Gm | used (L) | metal
| | 1 | 12SK7 | $1.00 | Westinghouse | 90% | 1800/2000Gm | used (L) | metal
| | 1 | 12SK7-GT | $1.00 | Sylvania | 90% | 2200/2000Gm | used (rb) | metal base band - black lettering
| | 1 | 12SK7-GT | $1.00 | Raytheon | 90% | 1700/2000Gm | used (rb) | metal base band
| | 1 | 12SK7-GT | $1.00 | National Union | 90% | 2400/2000Gm | used (L) | metal base band
| | 1 | 12SK7-GT | $1.00 | National Union | 90% | 1600/2000Gm | used (L) | metal base band
| | 1 | 12SK7-GT | $1.00 | Reliable | 110% | 2400/2000Gm | NOS (OB) | metal base band - metal band is split
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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)
(H) = tested on Hickok 539A
ST=ST Style, TT=Tall Tubular Style, GT=GT Style, 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.
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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