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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
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6SN7GTB $15.00 RCA 120% / 120% 2550: 2600 / 2000Gm used (L) bottom getter - rectangular black plates - red lettering
1 6SN7GT $15.00 RCA 110% / 110% 2400: 2300 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 6SN7GTB $15.00 RCA 115% / 140% 2550: 3000 / 2000Gm used (L) top getter - square black plates - green lettering
1 6SN7GT $10.00 Raytheon 125% / 120% 2500: 2700 / 2000Gm used (L) side getter - rectangular black plates
1 6SN7GTB $10.00 Sylvania 110% / 110% 2400: 2500 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTB $10.00 Sylvania 110% / 120% 2400: 2600 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTB $10.00 Baldwin 110% / 120% 2250: 2500 / 2000Gm used (L) top getter - square black plates
1 6SN7GT $10.00 Motorola 120% / 120% 2600: 2600 / 2000Gm used (L) bottom getter - rectangular black plates
1 6SN7GTA $10.00 Silvertone 110% / 120% 2200: 2500 / 2000Gm used (L) dual side getters - rectangular black plates
1 6SN7GTA $10.00 TeleKing 120% / 120% 2500: 2600 / 2000Gm used (L) side getter - rectangular gray plates
1 6SN7GTB $7.50 Sylvania 110% / 105% 2200: 2400 / 2000Gm used (L) top getter - square black plates - green lettering
1 6SN7GTB $7.50 GE 110% / 100% 2500: 2250 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GT $7.50 RCA 100% / 105% 2100: 2150 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 6SN7GT $4.00 Sylvania 90% / 95% 1900: 2100 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTA $4.00 Arvin 95% / 95% 2200: 2200 / 2000Gm used (L) side getter - rectangular gray plates
1 6SN7GT $4.00 Hytron 110% / 90% 2400: 1800 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GT $4.00 CBS / Hytron 90% / 100% 2100: 2600 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GT $4.00 CBS / Hytron 90% / 100% 2000: 2200 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GT $4.00 CBS 95% / 110% 2300: 2500 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GTA $4.00 CBS 90% / 90% 2000: 2100 / 2000Gm used (L) side getter - rectangular black plates
1 6SN7GT $4.00 Sylvania 95% / 95% 2250: 2200 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 6SN7GTB $4.00 Sylvania 90% / 90% 2400: 2200 / 2000Gm used (L) top getter - square black plates - red lettering
1 6SN7GTB $4.00 Sylvania 90% / 100% 2200: 2500 / 2000Gm used (L) top getter - square black plates - green lettering
1 6SN7GTB $4.00 Sylvania 90% / 100% 2100: 2300 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTB $4.00 Sylvania 115% / 90% 2700: 2200 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTB $4.00 Sylvania 90% / 95% 2100: 2200 / 2000Gm used (L) top getter - square black plates - green lettering
1 6SN7GTB $4.00 Sylvania 90% / 90% 2000: 2000 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTA $4.00 GM / Delco 100% / 90% 2300: 2100 / 2000Gm used (L) side getter - rectangular black plates
1 6SN7GTB $4.00 GE 95% / 100% 2400: 2500 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GTB $4.00 GE 90% / 100% 2100: 2500 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GTB $4.00 GE 90% / 90% 2200: 2300 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GTB $4.00 GE 100% / 95% 2250: 2200 / 2000Gm used (L) red lettering - side getter - rectangular gray plates
1 6SN7GTB $4.00 Motorola 90% / 100% 2250: 2500 / 2000Gm used (L) side getter - square black plates
1 6SN7GTA $4.00 Motorola 90% / 95% 2000: 2000 / 2000Gm used (L) top getter - square black plates
1 6SN7GTA $4.00 Zenith 95% / 105% 2300: 2500 / 2000Gm used (L) top getter - square black plates
1 6SN7GT $4.00 Traveler 90% / 95% 2200: 2300 / 2000Gm used (L) top getter - square black plates
1 6SN7GT $4.00 Traveler 90% / 90% 1850: 2200 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GTB $4.00 Traveler 95% / 90% 2200: 2000 / 2000Gm used (L) top getter - square black plates
1 6SN7GT $4.00 Ken-Rad 90% / 100% 2150: 2400 / 2000Gm used (L) bottom getter - rectangular black plates
1 6SN7GTA $4.00 Arvin 90% / 95% 2200: 2300 / 2000Gm used (L) side getter - rectangular gray plates
1 6SN7GT $4.00 Capehart 90% / 90% 2100: 2150 / 2000Gm used (L) side getter - rectangular gray plates
1 6SN7GT $4.00 Raytheon 95% / 110% 2300: 2550 / 2000Gm used (L) bottom getter - rectangular black plates
1 6SN7GT $4.00 Raytheon 90% / 90% 2150: 2150 / 2000Gm used (L) bottom getter - rectangular black plates
1 6SN7GTB $4.00 Raytheon 100% / 90% 2400: 2100 / 2000Gm used (L) top getter - rectangular black plates
1 6SN7GTB $4.00 Raytheon 115% / 95% 2700: 2300 / 2000Gm used (L) top getter - rectangular black plates
1 6SN7GTB $4.00 Raytheon 105% / 95% 2300: 2000 / 2000Gm used (L) top getter - rectangular black plates
1 6SN7GTA $4.00 Raytheon 110% / 90% 2500: 2100 / 2000Gm used (L) side getter - rectangular black plates
1 6SN7GTB $4.00 Raytheon 95% / 90% 2250: 2150 / 2000Gm used (L) top getter - rectangular black plates
1 6SN7GTB $4.00 Raytheon 95% / 95% 2300: 2300 / 2000Gm used (L) top getter - rectangular gray plates
1 6SN7GTA $4.00 RCA 90% / 100% 2150: 2300 / 2000Gm used (L) side getter - rectangular black plates - white lettering
1 6SN7GTB $4.00 RCA 95% / 120% 2100: 2650 / 2000Gm used (L) side getter - rectangular black plates - red lettering
1 6SN7GTB $4.00 RCA 90% / 90% 1950: 1900 / 2000Gm used (L) bottom getter - rectangular black plates - red lettering
1 6SN7GTB $4.00 Baldwin 90% / 100% 2100: 2100 / 2000Gm used (L) top getter - square black plates
1 6SN7GTB $4.00 GE 110% / 95% 2200: 1950 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GTB $4.00 Magnavox 90% / 100% 1800: 1900 / 2000Gm used (L) top getter - square black plates
1 6SN7GTB $2.00 GE 100% / 85% 2000: 1700 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $10.00 Tung-Sol 110% / 120% 2500: 2700 / 2000Gm used (wb) bottom getter - square gray plates
1 12SN7GT $10.00 Tung-Sol 110% / 110% 2450: 2500 / 2000Gm used (rb) top getter - square black plates
1 12SN7GT $10.00 Tung-Sol 110% / 110% 2500: 2600 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $7.50 Tung-Sol 100% / 110% 2500: 2650 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $7.50 Tung-Sol 100% / 100% 2150: 2300 / 2000Gm used (L) top getter - square black plates
1 12SN7GT $7.50 RCA 110% / 115% 2400: 2700 / 2000Gm used (rb) bottom getter - rectangular black plates - white lettering
1 12SN7GT $7.50 RCA 110% / 110% 2400: 2450 / 2000Gm used (rb) bottom getter - rectangular black plates - red lettering
1 12SN7GT $7.50 RCA 130% / 120% 2900: 2800 / 2000Gm used (rb) bottom getter - rectangular black plates - red lettering
1 12SN7GT $7.50 RCA 120% / 115% 2650: 2600 / 2000Gm used (rb) JAN - bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 100% / 100% 2300: 2400 / 2000Gm used (rb) bottom getter - rectangular black plates - white lettering
1 12SN7GT $4.00 RCA 95% / 120% 2300: 2800 / 2000Gm used (rb) bottom getter - gray coat - white lettering - dark brown base
1 12SN7GTA $5.00 Sylvania 100% / 120% 2500: 2700 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2250: 2250 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 120% 2600: 2800 / 2000Gm used (rb) JAN - top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 130% / 110% 3000: 2600 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 120% / 115% 2900: 2750 / 2000Gm used (rb) JAN - top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2500: 2500 / 2000Gm used (rb) top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2700: 2600 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 120% / 120% 2700: 2750 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Motorola 110% / 110% 2500: 2600 / 2000Gm used (rb) side getter - rectangular black plates
1 12SN7GT $5.00 CBS 110% / 110% 2500: 2600 / 2000Gm used (rb) side getter - square black plates
1 12SN7GT $5.00 CBS 125% / 120% 2700: 2600 / 2000Gm used (rb) side getter - square black plates
1 12SN7GTA $5.00 CBS 115% / 115% 2500: 2500 / 2000Gm used (rb) side getter - rectangular gray plates
1 12SN7GTA $5.00 Zenith 120% / 130% 2800: 2900 / 2000Gm used (ob) side getter - rectamgular gray plates
1 12SN7GT $5.00 Emerson 120% / 125% 3000: 3000 / 2000Gm used (rb) bottom getter - rectangular black plates
1 12SN7GT $5.00 Delco 115% / 110% 2850: 2750 / 2000Gm used (rb) side getter - rectangular black plates
1 12SN7GT $5.00 Minneapolis Honeywell Regulator Company 120% / 120% 2900: 2900 / 2000Gm used (rb) top getter - square black plates
1 12SN7GTA $5.00 GE 130% / 115% 2800: 2500 / 2000Gm used (OB) side getter - rectangular ribbed gray plates
1 12SN7GTA $5.00 GE 110% / 110% 2600: 2800 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 110% / 110% 2700: 2800 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 100% / 110% 2500: 2550 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 120% / 125% 2800: 3000 / 2000Gm used (rb) side getter - rectangular black plates - white lettering
1 12SN7GTA $5.00 GE 110% / 120% 2500: 2600 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 115% / 115% 2750: 2700 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering (cat:402-279)
1 12SN7GTA $5.00 GE 100% / 110% 2300: 2500 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 GE 120% / 110% 2600: 2600 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 Zenith 110% / 115% 2600: 2750 / 2000Gm used (rb) side getter - rectangular gray plates
1 12SN7GT $5.00 Motorola 110% / 105% 2400: 2350 / 2000Gm used (rb) side getter - rectangular gray plates
1 12SN7GT $4.00 unknown 110% / 110% 2500: 2500 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $4.00 unknown 110% / 110% 2600: 2600 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $4.00 Arcturus 120% / 90% 2850: 2100 / 2000Gm used (ob) bottom getter - square black plates
1 12SN7GT $7.00 RCA 110% / 110% 2450: 2450 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $7.00 RCA 120% / 110% 2900: 2700 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $7.00 RCA 130% / 130% 3050: 3000 / 2000Gm used (L) bottom getter - rectangular black plates - red lettering
1 12SN7GT $7.00 RCA 110% / 130% 2500: 3000 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering (cat:402-280)
1 12SN7GT $7.00 RCA 120% / 110% 3000: 2700 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 Sylvania 120% / 130% 2600: 2700 / 2000Gm used (L) chrome top - top getter - square black plates
1 12SN7GT $5.00 Sylvania 115% / 115% 2800: 2900 / 2000Gm used (L) top getter - square black plates - red lettering
1 12SN7GTA $5.00 Sylvania 110% / 115% 2450: 2600 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2500: 2500 / 2000Gm used (L) top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 115% / 115% 2800: 2750 / 2000Gm used (L) top getter - square black plates - green lettering
1 12SN7GTA $5.00 Sylvania 110% / 110% 2200: 2300 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 GE 110% / 110% 2600: 2500 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 130% / 125% 2800: 2800 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 110% / 130% 2700: 3200 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 115% / 110% 2700: 2500 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 GE 120% / 125% 2800: 2900 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 Silvertone 120% / 120% 2800: 2750 / 2000Gm used (L) bottom getter - square black plates
1 12SN7GT $5.00 CBS 140% / 120% 3400: 2500 / 2000Gm used (L) bottom getter - square black plates
1 12SN7GT $5.00 Motorola 110% / 115% 2650: 2700 / 2000Gm used (L) top getter - square black plates
1 12SN7GT $5.00 Teletone 110% / 120% 2700: 2800 / 2000Gm used (L) bottom getter - gray coat
1 12SN7GT $5.00 unknown 120% / 125% 2850: 2900 / 2000Gm used (L) bottom getter - square gray plates
1 12SN7GTA $5.00 CBS 105% / 100% 2000: 2000 / 2000Gm used (L) side getter - square black plates
1 12SN7GT $5.00 Sylvania 105% / 110% 2300: 2800 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 100% 2500: 2100 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 12SN7GT $5.00 GE 115% / 105% 2600: 2300 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 RCA 100% / 100% 2300: 2450 / 2000Gm used (L) bottom getter - gray coat - white lettering
1 12SN7GT $5.00 RCA 100% / 100% 2400: 2500 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 110% / 100% 2450: 2300 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 110% / 105% 2500: 2400 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 105% / 110% 2450: 2600 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering - loose base (cat:402-281)
1 12SN7GTA $5.00 Westinghouse 110% / 100% 2400: 2400 / 2000Gm used (L) top getter - rectangular black plates
1 12SN7GT $5.00 Westinghouse 120% / 115% 2200: 2000 / 2000Gm used (L) side getter - rectangular black plates
1 12SN7GT $5.00 Tung-Sol 110% / 110% 2000: 2100 / 2000Gm used (L) top getter - square black plates
1 12SN7GT $5.00 RCA 140% / 110% 2300: 2200 / 2000Gm used (L) bottom getter - rectangular black plates - silver lettering
1 12SN7GT $5.00 Sylvania 130% / 125% 3000: 2800 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 12SN7GT $5.00 GE 120% / 120% 2700: 2700 / 2000Gm used (L) side getter - rectangular ribbed gray plates
1 12SN7GT $5.00 RCA 100% / 110% 2300: 2300 / 2000Gm used (L) bottom getter - rectangular ribbed black plates - white lettering
1 12SN7GT $4.00 Raytheon 90% / 90% 2000: 1800 / 2000Gm used (L) bottom getter - rectangular black plates - grid 'c' clips
1 12SN7GT $4.00 Hi-Lite 90% / 90% 2200: 2200 / 2000Gm used (L) side getter - rectangular gray plates
1 12SN7GT $4.00 Motorola 90% / 90% 1900: 2100 / 2000Gm used (L) bottom getter - rectangular black plates
1 12SN7GT $4.00 Raytheon 90% / 110% 2000: 2100 / 2000Gm used (L) side getter - rectangular black plates
1 12SN7GT $4.00 Motorola 100% / 90% 2100: 2100 / 2000Gm used (L) bottom getter - square black plates
1 12SN7GT $4.00 GE 95% / 105% 2300: 2500 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $4.00 Emerson 90% / 100% 2000: 2300 / 2000Gm used (L) bottom getter - square gray plates
1 12SN7GTA $4.00 Sylvania 95% / 110% 2250: 2700 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $4.00 Sylvania 120% / 90% 2600: 2000 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 12SN7GT $4.00 RCA 95% / 90% 2250: 2100 / 2000Gm used (L) bottom getter - rectangular black plates - gray coat - white lettering
1 12SN7GT $4.00 RCA 120% / 90% 1950: 1600 / 2000Gm used (L) bottom getter - rectangular black plates - silver lettering
1 12SN7GT $4.00 Tung-Sol 90% / 110% 2000: 2100 / 2000Gm used (L) bottom getter - square black plates

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.

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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Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com