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 | 6006 | $30.00 | Marconi | 100% | 3400 / 3300Gm | used (wb) | metal - blue tube (special 6SG7) |
| 1 | 6006 | $30.00 | Marconi | 100% | 2600 / 3300Gm | used (wb) | metal - blue tube (special 6SG7) |
| 1 | 6SG7-GT | $5.00 | National Union | 100% | 4000 / 3300Gm | NOS (OB) | metal base band - JAN |
| 1 | 6SG7-Y | $6.00 | RCA | 110% | 4400 / 3300Gm | NOS (OB) | metal - JAN - brown base |
| 1 | 6SG7-Y | $6.00 | RCA | 120% | 4300 / 3300Gm | NOS (wb) | metal - JAN - brown base |
| 1 | 6SG7 / VT-211 | $6.00 | RCA | 120% | 4100 / 3300Gm | NOS (wb) | metal - JAN |
| 1 | 6SG7 / VT-211 | $6.00 | RCA | 130% | 3900 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 6SG7 / VT-211 | $6.00 | RCA | 110% | 3800 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 6SG7 / VT-211 | $6.00 | RCA | 120% | 3800 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 6SG7 / VT-211 | $6.00 | RCA | 120% | 3700 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 6SG7 / VT-211 | $6.00 | RCA | 110% | 3600 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 6SG7 / VT-211 | $6.00 | Ken-Rad | 120% | 3800 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 6SG7 | $5.00 | RCA | 120% | 3800 / 3300Gm | NOS (OB) | metal - silver lettering |
| 1 | 6SG7 | $5.00 | RCA | 120% | 4600 / 3300Gm | NOS (OB) | metal - silver lettering |
| 1 | 6SG7 | $5.00 | RCA | 110% | 4200 / 3300Gm | NOS (OB) | metal - silver lettering |
| 1 | 6SG7 | $5.00 | RCA | 120% | 3900 / 3300Gm | NOS (OB) | metal - silver lettering |
| 1 | 6SG7 | $5.00 | RCA | 125% | 4600 / 3300Gm | NOS (OB) | metal - silver lettering |
| 1 | 6SG7 | $5.00 | RCA | 120% | 4400 / 3300Gm | NOS (OB) | metal - red lettering |
| 1 | 6SG7 | $5.00 | Raytheon | 130% | 4500 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Raytheon | 110% | 3900 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Raytheon | 115% | 3500 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Ken-Rad | 120% | 4100 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Philco | 110% | 3600 / 3300Gm | NOS (OB) | metal - torn box flap |
| 1 | 6SG7 | $5.00 | Philco | 120% | 4600 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Motorola | 140% | 5000 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Motorola | 130% | 4500 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Westinghouse | 120% | 3900 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Zenith | 120% | 4400 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | Tung-Sol | 130% | 4500 / 3300Gm | NOS (OB) | metal |
| 1 | 6SG7 | $5.00 | GE | 110% | 3600 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 6SG7 | $5.00 | GE | 120% | 3800 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 6SG7 | $5.00 | Sylvania | 110% | 4100 / 3300Gm | NOS (OB) | metal - yellow lettering |
| 1 | 6SG7 | $5.00 | Sylvania | 130% | 3900 / 3300Gm | NOS (OB) | metal - yellow lettering |
| 1 | 6SG7 | $5.00 | Sylvania | 110% | 3500 / 3300Gm | NOS (OB) | metal - yellow lettering |
| 1 | 6SG7 | $5.00 | Sylvania | 110% | 3700 / 3300Gm | NOS (OB) | metal - green lettering |
| 1 | 6SG7 | $5.00 | Sylvania | 110% | 3700 / 3300Gm | NOS (OB) | metal - green lettering |
| 1 | 6SG7-GT | $2.50 | National Union | 100% | 2600 / 3300Gm | used (wb) | metal base band - JAN |
| 1 | 6SG7-GT | $2.50 | National Union | 100% | 2800 / 3300Gm | used (wb) | metal base band |
| 1 | 6SG7-Y | $2.50 | RCA | 110% | 4100 / 3300Gm | used (wb) | metal - JAN - brown base |
| 1 | 6SG7-Y | $2.50 | RCA | 120% | 4000 / 3300Gm | used (wb) | metal - JAN - brown base |
| 1 | 6SG7 / VT-211 | $2.50 | RCA | 110% | 3800 / 3300Gm | used (rb) | metal - JAN |
| 1 | 6SG7 / VT-211 | $2.50 | RCA | 110% | 3900 / 3300Gm | used (rb) | metal - JAN |
| 1 | 6SG7 / VT-211 | $2.50 | RCA | 105% | 3400 / 3300Gm | used (rb) | metal - JAN |
| 1 | 6SG7 / VT-211 | $2.50 | RCA | 110% | 3600 / 3300Gm | used (rb) | metal - JAN |
| 1 | 6SG7 / VT-211 | $2.50 | Ken-Rad | 120% | 4000 / 3300Gm | used (rb) | metal |
| 1 | 6SG7 / VT-211 | $2.00 | RCA | 105% | 3800 / 3300Gm | used (L) | metal - JAN |
| 1 | 6SG7 | $2.00 | RCA | 115% | 3800 / 3300Gm | used (rb) | metal - US Navy |
| 1 | 6SG7 | $2.00 | RCA | 100% | 3800 / 3300Gm | used (rb) | metal - silver lettering |
| 1 | 6SG7 | $2.00 | RCA | 110% | 3800 / 3300Gm | used (rb) | metal - silver lettering |
| 1 | 6SG7 | $2.00 | RCA | 110% | 3400 / 3300Gm | used (rb) | metal - silver lettering |
| 1 | 6SG7 | $2.00 | RCA | 100% | 3300 / 3300Gm | used (wb) | metal - silver lettering |
| 1 | 6SG7 | $2.00 | RCA Victor | 100% | 3400 / 3300Gm | used (ob) | metal |
| 1 | 6SG7 | $2.00 | GE | 120% | 3000 / 3300Gm | used (ob) | metal - white lettering |
| 1 | 6SG7 | $2.00 | GE | 110% | 3800 / 3300Gm | used (rb) | metal - white lettering |
| 1 | 6SG7 | $2.00 | GE | 110% | 3600 / 3300Gm | used (rb) | metal - white lettering |
| 1 | 6SG7 | $2.00 | GE | 105% | 3500 / 3300Gm | used (rb) | metal - white lettering |
| 1 | 6SG7 | $2.00 | Sylvania | 105% | 3200 / 3300Gm | used (rb) | metal - yellow lettering |
| 1 | 6SG7 | $2.00 | Sylvania | 110% | 3700 / 3300Gm | used (rb) | metal - green lettering |
| 1 | 6SG7 | $2.00 | Magnavox | 100% | 3000 / 3300Gm | used (rb) | metal |
| 1 | 6SG7 | $2.00 | Cunningham | 115% | 3400 / 3300Gm | used (rb) | metal |
| 1 | 6SG7 / VT-211 | $2.00 | RCA | 105% | 3800 / 3300Gm | used (L) | metal - JAN |
| 1 | 6SG7 | $2.00 | RCA | 110% | 3800 / 3300Gm | used (L) | metal - silver lettering |
| 1 | 6SG7 | $2.00 | RCA | 100% | 3400 / 3300Gm | used (L) | metal - silver lettering - JAN |
| 1 | 6SG7 | $2.00 | RCA | 105% | 2700 / 3300Gm | used (L) | metal - silver lettering |
| 1 | 6SG7 | $2.00 | GE | 100% | 3600 / 3300Gm | used (L) | metal - white lettering |
| 1 | 6SG7 | $2.00 | CBS | 100% | 4000 / 3300Gm | used (L) | metal |
| 1 | 6SG7 | $2.00 | Admiral | 100% | 3500 / 3300Gm | used (L) | metal |
| 1 | 6SG7 / VT-211 | $1.00 | RCA | 90% | 2800 / 3300Gm | used (L) | metal - JAN |
| 1 | 6SG7 | $1.00 | RCA | 90% | 3000 / 3300Gm | used (L) | metal - silver lettering |
| 1 | 6SG7 | $1.00 | RCA | 90% | 3200 / 3300Gm | used (L) | metal - silver lettering |
| 1 | 6SG7 | $1.00 | GE | 90% | 2800 / 3300Gm | used (L) | metal - white lettering |
| 1 | 6SG7 | $1.00 | GE | 90% | 2800 / 3300Gm | used (L) | metal - white lettering |
| 1 | 6SG7 | $1.00 | Ken-Rad | 90% | 3000 / 3300Gm | used (L) | metal - JAN |
| 1 | 6SG7 | $1.00 | Westinghouse | 90% | 3300 / 3300Gm | used (L) | metal |
| 1 | 6SG7 | $0.50 | GE | 85% | 2600 / 3300Gm | used (L) | metal - white lettering |
| 1 | 6SG7 | $0.50 | Cbs / Hytron | 130% | 2800 / 3300Gm | used (ob) | metal |
| 1 | 6SG7 | $0.50 | RCA | 100% | 3500 / 3300Gm | used (L) | metal - silver lettering - minor rust on tube |
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| 1 | 12SG7-Y | $5.00 | RCA | 115% | 4300 / 3300Gm | NOS (OB) | metal - JAN - brown base |
| 1 | 12SG7-Y | $5.00 | RCA | 115% | 4200 / 3300Gm | NOS (OB) | metal - JAN - brown base |
| 1 | 12SG7-Y | $5.00 | GE | 110% | 3600 / 3300Gm | NOS (OB) | metal - JAN - brown base |
| 1 | 12SG7-Y | $5.00 | Ken-Rad | 120% | 3800 / 3300Gm | NOS (OB) | metal - JAN - brown base |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 110% | 4000 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 110% | 3800 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 110% | 3800 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 110% | 4000 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 110% | 3800 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 130% | 3600 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $5.00 | RCA | 115% | 3900 / 3300Gm | NOS (OB) | metal - JAN |
| 1 | 12SG7 | $4.00 | RCA Victor | 120% | 4100 / 3300Gm | NOS (OB) | metal - missing box flap |
| 1 | 12SG7 | $4.00 | RCA | 130% | 5000 / 3300Gm | NOS (OB) | metal - silver lettering |
| 1 | 12SG7 | $4.00 | Ken-Rad | 110% | 3800 / 3300Gm | NOS (OB) | metal - sealed in box |
| 1 | 12SG7 | $4.00 | GE | 110% | 4200 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | GE | 110% | 4000 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | GE | 110% | 4000 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | GE | 110% | 4000 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | GE | 110% | 3900 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | GE | 110% | 3900 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | GE | 110% | 3800 / 3300Gm | NOS (OB) | metal - white lettering |
| 1 | 12SG7 | $4.00 | RCA | 120% | 4200 / 3300Gm | NOS (OB) | metal - red lettering |
| 1 | 12SG7 | $4.00 | RCA | 110% | 4200 / 3300Gm | NOS (OB) | metal - red lettering |
| 1 | 12SG7 | $4.00 | RCA | 120% | 4500 / 3300Gm | NOS (OB) | metal - red lettering |
| 1 | 12SG7 | $4.00 | Philco | 110% | 3400 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Dumont | 110% | 3300 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Raytheon | 110% | 4200 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Raytheon | 120% | 4600 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Westinghouse | 110% | 4200 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Tung-Sol | 110% | 3400 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Tung-Sol | 110% | 3600 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Tung-Sol | 110% | 4000 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Tung-Sol | 110% | 4800 / 3300Gm | NOS (OB) | metal |
| 1 | 12SG7 | $4.00 | Sylvania | 120% | 4500 / 3300Gm | NOS (OB) | metal - yellow lettering |
| 1 | 12SG7 | $4.00 | Sylvania | 110% | 4500 / 3300Gm | NOS (OB) | metal - yellow lettering |
| 1 | 12SG7 | $4.00 | Sylvania | 110% | 4200 / 3300Gm | NOS (OB) | metal - yellow lettering |
| 1 | 12SG7-Y | $2.50 | RCA | 110% | 4400 / 3300Gm | used (wb) | metal - JAN - brown base |
| 1 | 12SG7-Y | $2.50 | RCA | 125% | 4800 / 3300Gm | used (wb) | metal - JAN - brown base |
| 1 | 12SG7-Y | $2.50 | GE | 110% | 3600 / 3300Gm | used (wb) | metal - JAN - brown base |
| 1 | 12SG7-Y | $2.50 | GE | 100% | 3500 / 3300Gm | used (OB) | metal - JAN - brown base |
| 1 | 12SG7-Y | $2.50 | GE | 120% | 3300 / 3300Gm | used (wb) | metal - JAN - brown base |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 120% | 4400 / 3300Gm | used (rb) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 100% | 3800 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 105% | 4000 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 105% | 3800 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 120% | 4100 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 130% | 4200 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 100% | 3800 / 3300Gm | used (wb) | metal - US Army |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 100% | 3500 / 3300Gm | used (wb) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 100% | 3800 / 3300Gm | used (OB) | metal - US Army |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 110% | 3800 / 3300Gm | used (rb) | metal - JAN - minor rust on tube |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 100% | 3600 / 3300Gm | used (wb) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | RCA | 100% | 3400 / 3300Gm | used (wb) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 110% | 3600 / 3300Gm | used (OB) | metal |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 110% | 4000 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 100% | 3600 / 3300Gm | used (OB) | metal |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 120% | 3100 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 110% | 4000 / 3300Gm | used (OB) | metal - JAN |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 105% | 3800 / 3300Gm | used (wb) | metal |
| 1 | 12SG7 | $2.00 | Sylvania | 110% | 3000 / 3300Gm | used (OB) | metal - yellow lettering |
| 1 | 12SG7 | $2.00 | Sylvania | 110% | 3300 / 3300Gm | used (OB) | metal - green lettering |
| 1 | 12SG7 | $2.00 | Wards Airline | 100% | 3400 / 3300Gm | used (rb) | metal |
| 1 | 12SG7 | $2.00 | Hallicrafters | 110% | 4200 / 3300Gm | used (rb) | metal |
| 1 | 12SG7 | $2.00 | Ken-Rad | 120% | 4100 / 3300Gm | used (rb) | metal |
| 1 | 12SG7 | $2.00 | GE | 110% | 3400 / 3300Gm | used (rb) | metal - white lettering |
| 1 | 12SG7 | $2.00 | GE | 105% | 3600 / 3300Gm | used (rb) | metal - orange lettering |
| 1 | 12SG7 | $2.00 | GE | 120% | 3300 / 3300Gm | used (wb) | metal - red lettering |
| 1 | 12SG7 | $2.00 | GE | 110% | 3600 / 3300Gm | used (rb) | metal - white lettering |
| 1 | 12SG7 | $0.50 | GE | 90% | 3000 / 3300Gm | used (rb) | metal - white lettering |
| 1 | 12SG7 | $0.50 | Western Union | 90% | 3000 / 3300Gm | used (rb) | metal |
| 1 | 12SG7 | $0.50 | Sylvania | 90% | 3000 / 3300Gm | used (OB) | metal - yellow lettering |
| 1 | 12SG7 | $0.50 | Sylvania | 115% | 2500 / 3300Gm | used (OB) | metal - green lettering |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 110% | 3600 / 3300Gm | used (L) | metal - US Army |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 110% | 4000 / 3300Gm | used (L) | metal - US Army |
| 1 | 12SG7 / VT209 | $2.00 | Ken-Rad | 110% | 3700 / 3300Gm | used (L) | metal - US Army |
| 1 | 12SG7 / VT209 | $2.00 | GE | 100% | 3800 / 3300Gm | used (L) | metal - white lettering |
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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