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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 6SN7-WGTA $150.00 Tung-Sol 110 / 110% 2400: 2450 / 2000Gm NOS (wb) JAN - top halo getter - square black plates - brown base
1 6SN7-WGTA $50.00 Tung-Sol 100 / 90% 2650: 2500 / 2000Gm used (wb) US Navy - top halo getter - square black plates - brown base - 5650/3223
1 6SN7GT $50.00 Tung-Sol 115% / 115% 2500: 2600 / 2000Gm NOS (OB) chrome top - top getter - square black plates
1 6SN7GT $50.00 Sylvania 130% / 120% 3000: 2800 / 2000Gm NOS (OB) green lettering - bottom getter - rectangular ribbed black plates
1 6SN7GT $40.00 Sylvania 115% / 105% 2500: 2300 / 2000Gm used (wb) brown base - green lettering - chrome top - top getter - square black plates
1 6SN7GTA $30.00 RCA 100% / 100% 2300: 2400 / 2000Gm used (rb) white lettering - dual side getters - rectangular black plates
1 6SN7GTA $30.00 RCA 105% / 105% 2500: 2600 / 2000Gm used (rb) white lettering - dual side getters - rectangular black plates
1 6SN7GT $25.00 RCA 110% / 110% 2600: 2600 / 2000Gm NOS (OB) white lettering - bottom getter - rectangular black plates
1 6SN7GTB $35.00 RCA 110% / 110% 2400: 2400 / 2000Gm NOS (OB) red lettering - bottom getter - rectangular ribbed black plates
1 6SN7GTB $35.00 RCA 110% / 125% 2550: 2800 / 2000Gm NOS (OB) red lettering - bottom getter - rectangular ribbed black plates
1 6SN7GTB $35.00 RCA 120% / 130% 2500: 2700 / 2000Gm NOS (OB) red lettering - bottom getter - rectangular ribbed black plates
1 6SN7GTB $35.00 RCA 115% / 110% 2500: 2500 / 2000Gm NOS (OB) red lettering - bottom getter - rectangular ribbed black plates
1 6SN7GTB $25.00 Sylvania 105% / 105% 2400: 2500 / 2000Gm NOS (OB) green lettering - chrome top - top getter - square black plates (cat:402-267) Industrial
1 6SN7GTB $25.00 Sylvania 105% / 120% 2200: 2300 / 2000Gm NOS (OB) yellow lettering - chrome top - top getter - square black plates
1 6SN7GTB $25.00 Sylvania 120% / 120% 2800: 2800 / 2000Gm NOS (OB) yellow lettering - chrome top - top getter - square black plates
1 6SN7GTB $25.00 Sylvania 105% / 105% 2500: 2600 / 2000Gm NOS (OB) yellow lettering - chrome top - top getter - square black plates
1 6SN7GTB $25.00 Sylvania 115% / 115% 2550: 2550 / 2000Gm NOS (OB) red lettering - chrome top - top getter - square black plates (cat:402-267) Industrial
1 6SN7GTA $25.00 Sylvania 120% / 130% 2700: 2800 / 2000Gm NOS (OB) green lettering - chrome top - top getter - square black plates - end flap missing
1 6SN7GTB $25.00 Sylvania 110% / 120% 2250: 2450 / 2000Gm NOS (OB) yellow lettering - chrome top - top getter - square black plates - button base
1 6SN7GTB $25.00 ITT 110% / 120% 2500: 2650 / 2000Gm NOS (OB) top getter - chrome top - rectangular ribbed black plates
1 6SN7GTB $25.00 ITT 125% / 125% 3000: 3000 / 2000Gm NOS (wb) top getter - chrome top - rectangular ribbed black plates
1 6SN7GTB $25.00 Akrad 110% / 120% 2100: 2450 / 2000Gm NOS (wb) bottom getter - black coat
1 6SN7GTB $25.00 GE 120% / 110% 2600: 2600 / 2000Gm NOS (OB) white lettering - side getter - rectangular gray plates
1 6SN7GTB $25.00 GE 110% / 110% 2750: 2800 / 2000Gm NOS (OB) white lettering - side getter - rectangular gray plates - missing box flap
1 6SN7GTA $25.00 Sylvania 110% / 110% 2650: 2750 / 2000Gm NOS (OB) green lettering - top getter - square black plates
1 6SN7GT $25.00 National Union 110% / 110% 2650: 2650 / 2000Gm NOS (wb) bottom getter - black coat
1 6SN7GTB $25.00 Westinghouse 110% / 110% 2800: 2700 / 2000Gm NOS (OB) top getter - rectangular gray plates
1 6SN7GT $25.00 Lindal 110% / 110% 2900: 2900 / 2000Gm NOS (OB) bottom getter - square gray plates - grid 'c' clips
1 6SN7WGT $40.00 unknown (Westinghouse?) 120% / 120% 2300: 2300 / 2000Gm used (wb) top halo getter - square black plates - brown base
1 6SN7WGT $40.00 Sylvania 105% / 115% 2400: 2600 / 2000Gm used (wb) green lettering - chrome top - top getter - square black plates - brown base
1 6SN7WGT $40.00 Sylvania 105% / 105% 2050: 2050 / 2000Gm used (wb) JAN - yellow lettering - chrome top - top getter - square black plates - brown base
1 6SN7WGT $20.00 Sylvania 90% / 90% 1500: 1600 / 2000Gm used (wb) JAN - green lettering - chrome top - top getter - square black plates - brown base
1 6SN7WGT $15.00 unknown (Sylvania?) 100% / 90% 1900: 1600 / 2000Gm used (wb) chrome top - top getter - square black plates - brown base
1 6SN7WGT $30.00 Dumont 130% / 130% 3000: 3000 / 2000Gm used (wb) top halo getter - square black plates - brown base
1 6SN7GT / VT-231 $35.00 Sylvania 100% / 110% 2300: 2450 / 2000Gm used (wb) JAN - white lettering - bottom getter - square black plates
1 6SN7GT / VT-231 $40.00 Ken-Rad 115% / 120% 2900: 2650 / 2000Gm used (wb) bottom getter - black coat
1 6SN7GT / VT-231 $40.00 Ken-Rad 110% / 120% 2500: 2500 / 2000Gm used (wb) bottom getter - black coat - JAN
1 6SN7WGT $35.00 Sylvania 120% / 110% 2500: 2350 / 2000Gm used (wb) JAN - green lettering - chrome top - top getter - square black plates - black base
1 6SN7GT $15.00 Raytheon 120% / 120% 2450: 2500 / 2000Gm used (wb) US Navy - bottom getter - square black plates
1 6SN7GT $15.00 US Navy 120% / 120% 2450: 2600 / 2000Gm used (wb) US Navy - bottom getter - rectangular ribbed plates - black coat
1 6SN7GTB $15.00 Hammond 115% / 120% 2600: 2700 / 2000Gm used (wb) bottom getter - rectangular ribbed black plates
1 6SN7GTB $15.00 Hammond 110% / 110% 2500: 2500 / 2000Gm used (wb) bottom getter - rectangular ribbed black plates
1 6SN7GT $20.00 RCA 120% / 110% 2300: 2400 / 2000Gm used (wb) bottom getter - rectangular black plates - red lettering
1 6SN7GT $15.00 RCA 105% / 110% 2300: 2300 / 2000Gm used (L) bottom getter - rectangular black plates - silver white lettering
1 6SN7GT $12.00 Sylvania 120% / 110% 2800: 2600 / 2000Gm used (rb) bottom getter - square black plates - green lettering
1 6SN7GT $12.00 Olympic 110% / 110% 2700: 2800 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GTB $12.00 GM / Delco 110% / 110% 2600: 2600 / 2000Gm used (rb) side getter - rectangular gray plates
1 6SN7GTA $12.00 GE 110% / 110% 2600: 2600 / 2000Gm used (rb) side getter - rectangular gray plates
1 6SN7GTB $12.00 GE 110% / 110% 2800: 2800 / 2000Gm used (rb) side getter - rectangular gray plates
1 6SN7GTB $12.00 GE for Eico 110% / 110% 2600: 2700 / 2000Gm used (rb) side getter - rectangular gray plates
1 6SN7GTB $15.00 RCA 110% / 120% 2500: 2700 / 2000Gm used (rb) side getter - rectangular black plates - button base
1 6SN7GTB $15.00 RCA 110% / 115% 2400: 2500 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GTB $15.00 RCA 110% / 110% 2600: 2500 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GTB $15.00 RCA 120% / 115% 2900: 2800 / 2000Gm used (rb) side getter - rectangular black plates - button base
1 6SN7GT $15.00 RCA 120% / 120% 2900: 2800 / 2000Gm used (rb) bottom getter - gray coat - silver lettering
1 6SN7GTB $15.00 RCA 110% / 110% 2700: 2800 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GTB $15.00 RCA 115% / 110% 2900: 2750 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GTB $15.00 RCA 110% / 125% 2500: 3000 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GTB $15.00 Conn 120% / 110% 2800: 2600 / 2000Gm used (rb) side getter - rectangular black plates
1 6SN7GTB $12.00 GE 110% / 120% 2700: 2900 / 2000Gm used (rb) side getter - rectangular gray plates
1 6SN7GT $12.00 Emerson 120% / 115% 2750: 2750 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GTB $12.00 Sylvania 120% / 110% 2900: 2650 / 2000Gm used (ob) green lettering - top getter - square black plates
1 6SN7GT $12.00 Sylvania 115% / 115% 2900: 2900 / 2000Gm used (rb) green lettering - bottom getter - square black plates
1 6SN7GTB $12.00 Sylvania 110% / 120% 2800: 3000 / 2000Gm used (ob) yellow lettering - top getter - square black plates
1 6SN7GTA $12.00 Silvertone 110% / 110% 2900: 2900 / 2000Gm used (rb) top getter - square black plates
1 6SN7GT $12.00 Conn 120% / 115% 2800: 2500 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GT $12.00 Conn 120% / 120% 2800: 2800 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GT $12.00 Delco 110% / 110% 2700: 2700 / 2000Gm used (rb) bottom getter - rectangular black plates
1 6SN7GTB $12.00 Raytheon 120% / 120% 2900: 3000 / 2000Gm used (rb) side getter - rectangular black plates
1 6SN7GTA $12.00 Wards Airline 110% / 110% 2500: 2550 / 2000Gm used (rb) side getter - rectangular black plates
1 6SN7GT $12.00 Philco 110% / 110% 2800: 2900 / 2000Gm used (rb) top getter - square black plates
1 6SN7GTB $12.00 Zenith 110% / 110% 2550: 2550 / 2000Gm used (rb) top getter - square black plates
1 6SN7GTA $12.00 GE 110% / 110% 2600: 2700 / 2000Gm used (rb) white lettering - side getter - rectangular gray plates
1 6SN7GTB $12.00 GE 110% / 110% 2750: 2550 / 2000Gm used (rb) white lettering - side getter - rectangular gray plates
1 6SN7GT $15.00 RCA 130% / 120% 2800: 3000 / 2000Gm used (rb) red lettering - botttom getter - rectangular black plates
1 6SN7GT $15.00 RCA 115% / 115% 2700: 2750 / 2000Gm used (rb) white lettering - gray coat
1 6SN7GT $15.00 RCA 110% / 110% 2500: 2600 / 2000Gm used (rb) red lettering - botttom getter - rectangular black plates
1 6SN7GT $15.00 RCA 120% / 120% 2800: 2750 / 2000Gm used (rb) white lettering - botttom getter - rectangular black plates
1 6SN7GTA $15.00 RCA 110% / 110% 2700: 2750 / 2000Gm used (rb) white lettering - side getter - rectangular black plates
1 6SN7GTB $15.00 RCA 120% / 110% 2900: 2750 / 2000Gm used (rb) red lettering - side getter - rectangular black plates - button base
1 6SN7GTB $15.00 RCA 120% / 120% 2600: 2700 / 2000Gm used (ob) white lettering - botttom getter - rectangular black plates
1 6SN7GTB $15.00 RCA 120% / 120% 2900: 2800 / 2000Gm used (ob) red lettering - botttom getter - rectangular black plates
1 6SN7GT $12.00 Emerson 110% / 110% 2450: 2350 / 2000Gm used (wb) side getter - rectangular ribbed gray plates
1 6SN7GTA $12.00 Raytheon 120% / 120% 3000: 3000 / 2000Gm used (wb) side getter - rectangular ribbed black plates
1 6SN7GTB $12.00 Sylvania 115% / 120% 2600: 2750 / 2000Gm used (wb) yellow lettering - chrome top - top getter - square black plates
1 6SN7GTA $12.00 Sylvania 110% / 120% 2500: 2600 / 2000Gm used (rb) yellow lettering - chrome top - top getter - square black plates
1 6SN7GTA $12.00 Philco 110% / 115% 2650: 2750 / 2000Gm used (wb) top getter - square black plates - cat:402-242
1 6SN7GTA $12.00 Silvertone 110% / 120% 2500: 2700 / 2000Gm used (wb) side getter - rectangular black plates - cat:402-243
1 6SN7GTB $12.00 Realistic 110% / 115% 2400: 2400 / 2000Gm used (rb) top getter - gold pins - rectangular gray plates
1 6SN7GT $12.00 Premier 115% / 120% 2600: 2800 / 2000Gm used (rb) bottom getter - rectangular gray plates
1 6SN7GT $12.00 Arvin 120% / 130% 2650: 2900 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GT $12.00 Akrad 115% / 135% 2250: 2550 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GT $12.00 Motorola 115% / 120% 2500: 2400 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GTB $12.00 Philco 110% / 120% 2250: 2450 / 2000Gm used (rb) top getter - chrome top - square black plates
1 6SN7GTB $12.00 Philco 110% / 110% 2500: 2600 / 2000Gm used (wb) side getter - rectangular gray plates - cat:402-254
1 6SN7GTA $12.00 Philco 110% / 110% 2500: 2600 / 2000Gm used (wb) top getter - rectangular black plates - cat:403-174
1 6SN7GTA $12.00 GE 110% / 110% 2700: 2700 / 2000Gm used (wb) side getter - rectangular gray plates - cat:401-175
1 6SN7GTA $12.00 GE 110% / 110% 2600: 2700 / 2000Gm used (wb) white lettering - side getter - rectangular gray plates
1 6SN7GTA $12.00 GE 110% / 120% 2800: 2700 / 2000Gm used (wb) white lettering - side getter - rectangular black plates
1 6SN7GTB $12.00 GE 120% / 130% 3000: 2900 / 2000Gm used (wb) white lettering - side getter - rectangular gray plates
1 6SN7GTB $15.00 RCA 110% / 110% 2500: 2600 / 2000Gm used (wb) bottom getter - rectangular black plates - cat:401-409-1 - silver lettering
1 6SN7GTB $15.00 RCA 110% / 110% 2600: 2700 / 2000Gm used (wb) side getter - rectangular black plates - cat:402-246 - silver lettering
1 6SN7GTB $15.00 RCA 110% / 115% 2600: 2700 / 2000Gm used (wb) bottom getter - rectangular black plates - silver lettering
1 6SN7GTB $12.00 Coronado 130% / 130% 3000: 3000 / 2000Gm used (wb) top getter - rectangular black plates - cat:402-410
1 6SN7GTB $12.00 Hoffman 120% / 110% 2800: 500 / 2000Gm used (wb) top getter - square black plates
1 6SN7GT $9.00 unknown 120% / 120% 3000: 2900 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GTB $9.00 unknown (usa) 110% / 115% 2200: 2350 / 2000Gm used (rb) top getter - square black plates
1 6SN7GTB $9.00 unknown (usa) 135% / 110% 3000: 2550 / 2000Gm used (rb) top getter - rectangular black plates
1 6SN7GTB $9.00 unknown 110% / 110% 2600: 2700 / 2000Gm used (rb) top getter - square black plates
1 6SN7GTB $9.00 unknown 110% / 110% 2700: 2800 / 2000Gm used (rb) side getter - rectangular black plates - button base
1 6SN7GT $9.00 unknown 110% / 120% 2600: 2650 / 2000Gm used (rb) bottom getter - square gray plates
1 6SN7GT $9.00 unknown 120% / 120% 2700: 2700 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GT $9.00 Raytheon 100% / 100% 2400: 2400 / 2000Gm used (wb) side getter - rectangular ribbed black plates (cat:402-263)
1 6SN7GTB $9.00 GE 105% / 110% 2550: 2500 / 2000Gm used (L) red lettering - side getter - rectangular gray plates
1 6SN7GTB $9.00 GE 105% / 130% 2500: 2900 / 2000Gm used (L) white lettering - side getter - rectangular gray plates
1 6SN7GTB $9.00 GE 110% / 105% 2500: 2550 / 2000Gm used (L) white lettering - side getter - rectangular gray plates
1 6SN7GTB $9.00 GE 110% / 100% 2300: 2200 / 2000Gm used (rb) white lettering - bottom getter - rectangular gray plates
1 6SN7GTB $9.00 GE 105% / 105% 2400: 2450 / 2000Gm used (rb) white lettering - side getter - rectangular gray plates
1 6SN7GT $9.00 GE 100% / 110% 2200: 2250 / 2000Gm used (rb) silver lettering - bottom getter - rectangular black plates
1 6SN7GTB $9.00 GE 100% / 110% 2300: 2200 / 2000Gm used (ob) white lettering - side getter - rectangular gray plates
1 6SN7GTB $10.00 RCA 100% / 110% 2500: 2350 / 2000Gm used (L) side getter - rectangular black plates
1 6SN7GTB $10.00 RCA 100% / 110% 2400: 2400 / 2000Gm used (wb) bottom getter - rectangular black plates - cat:402-219 - silver lettering
1 6SN7GTB $10.00 RCA 100% / 115% 2300: 2700 / 2000Gm used (wb) side getter - rectangular black plates - cat:401-409-2 - silver lettering
1 6SN7GTB $9.00 Motorola 100% / 110% 2100: 2300 / 2000Gm used (ob) bottom getter - square gray plates
1 6SN7GTA $9.00 Zenith 110% / 100% 2200: 2400 / 2000Gm used (wb) top getter - square black plates - cat:402-322
1 6SN7GTA $9.00 Zenith 100% / 100% 2200: 2250 / 2000Gm used (rb) side getter - rectangular gray plates
1 6SN7GTA $9.00 Sylvania 105% / 105% 2400: 2400 / 2000Gm used (rb) green lettering - chrome top - top getter - square black plates
1 6SN7GT $9.00 Sylvania 100% / 100% 2000: 2050 / 2000Gm used (rb) green lettering - chrome top - top getter - square black plates
1 6SN7GTA $9.00 Triad 100% / 100% 1900: 1900 / 2000Gm used (ob) chrome top - top getter - square black plates
1 6SN7GT $9.00 Motorola 100% / 110% 2000: 2300 / 2000Gm used (rb) black coat - bottom getter
1 6SN7GTA $9.00 Sylvania 105% / 110% 2600: 2700 / 2000Gm used (rb) yellow lettering - top getter - square black plates
1 6SN7GTB $9.00 Silvertone 100% / 100% 2600: 2650 / 2000Gm used (rb) top getter - square black plates
1 6SN7GT $9.00 CBS 100% / 100% 2350: 2500 / 2000Gm used (rb) bottom getter - square black plates
1 6SN7GTB $9.00 Westinghouse 100% / 105% 2600: 2700 / 2000Gm used (rb) top getter - rectangular black plates
1 6SN7GTA $9.00 GE 105% / 105% 2550: 2600 / 2000Gm used (ob) white lettering - side getter - rectangular gray plates
1 6SN7GTB $9.00 GE 105% / 105% 2650: 2600 / 2000Gm used (rb) white lettering - side getter - rectangular gray plates
1 6SN7GT $5.00 RCA 90% / 110% 2000: 2250 / 2000Gm used (rb) bottom getter - rectangular ribbed black plates - silver lettering
1 6SN7GT $3.00 RCA 85% / 90% 1900: 2000 / 2000Gm used (wb) bottom getter - rectangular black plates - silver lettering
1 6SN7GT $5.00 RCA 90% / 100% 2000: 2150 / 2000Gm used (rb) bottom getter - gray coat - silver lettering
1 6SN7GT $5.00 RCA 95% / 110% 2350: 2400 / 2000Gm used (wb) bottom getter - rectangular black plates - cat:402-259 - silver lettering
1 6SN7GTB $5.00 RCA 110% / 90% 2300: 2300 / 2000Gm used (rb) bottom getter - rectangular black plates - gray coat - silver lettering
1 6SN7GT $5.00 CBS 90% / 140% 1950: 3000 / 2000Gm used (wb) bottom getter - square black plates - cat:403-173
1 6SN7GT $4.00 RCA Victor 80% / 80% 1600: 1200 / 2000Gm used (wb) gray coat
1 6SN7GTA $7.00 GE 110% / 105% 2550: 2500 / 2000Gm used (rb) white lettering - cracked base - side getter - rectangular gray 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