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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 12BH7 $12.00 RCA 125% / 100% 4000: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters
1 12BH7 $12.00 RCA 120% / 125% 4000: 3900 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters
1 12BH7 $7.50 GE 100% / 100% 3100: 3300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7 $7.50 Philco 100% / 110% 3200: 3000 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7 $7.50 Motorola 110% / 130% 3700: 4200 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7 $6.00 Motorola 100% / 130% 3400: 3800 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7 $6.00 Motorola 130% / 120% 4400: 4100 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7 $5.00 Sylvania 90% / 90% 2600: 2800 / 2350Gm used (rb) (M9) rectangular ribbed black plates - yellow letters
1 12BH7 $5.00 Motorola 95% / 135% 3400: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7 $5.00 CBS / Hytron 90% / 100% 3100: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7 $5.00 unknown 100% / 140% 2600: 3000 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7 $1.00 unknown 80% / 100% 1500: 2000 / 2350Gm used (L) (M9) oval ribbed gray plates
1 12BH7A $30.00 Tung-Sol 140% / 130% 4500: 4100 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $30.00 Tung-Sol 130% / 120% 4200: 3800 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $25.00 Tung-Sol 120% / 125% 4200: 4300 / 2350Gm NOS (ob) (M9) grid "C" clips - oval ribbed black plates - missing box flap
1 12BH7A $15.00 Westinghouse 125% / 130% 4100: 4400 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Westinghouse 140% / 125% 4800: 4000 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Channel Master 125% / 125% 4200: 4200 / 2350Gm NOS (wb) (M9) grid "C" clips - oval grayribbed plates - Japan
1 12BH7A $15.00 Realistic 120% / 120% 3800: 3800 / 2350Gm NOS (OB) (M9) gold pins - square gray plates
1 12BH7A $10.00 Cornell 120% / 110% 3700: 3500 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $10.00 Delta 100% / 150% 3700: 4600 / 2350Gm NOS (OB) (M9) short rectangular ribbed black plates
1 12BH7A $10.00 Delta 110% / 110% 3000: 3000 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $20.00 GE 120% / 120% 3900: 4000 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $20.00 GE 120% / 120% 3600: 3600 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - green letters
1 12BH7A $20.00 GE 130% / 120% 4200: 4000 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - green letters
1 12BH7A $20.00 GE 120% / 110% 3800: 3600 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $20.00 GE 110% / 120% 3600: 3700 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $20.00 GE 120% / 130% 3900: 4100 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $20.00 GE 110% / 110% 3500: 3500 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $20.00 GE 140% / 120% 5000: 4800 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $20.00 GE 110% / 125% 3800: 3800 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $15.00 GE 130% / 130% 4200: 4200 / 2350Gm NOS (OB) (M9) rectangular ribbed gray plates - white letters
1 12BH7A $15.00 GE 115% / 130% 3600: 4100 / 2350Gm NOS (OB) (M9) rectangular ribbed gray plates - white letters
1 12BH7A $15.00 GE 120% / 120% 4100: 4000 / 2350Gm NOS (OB) (M9) rectangular ribbed gray plates - green letters
1 12BH7A $15.00 GE 120% / 125% 3800: 3800 / 2350Gm NOS (wb) (M9) rectangular ribbed gray plates - white letters
1 12BH7A $15.00 GE 135% / 135% 3600: 3600 / 2350Gm NOS (wb) (M9) rectangular ribbed gray plates - white letters
1 12BH7A $15.00 Sylvania 115% / 110% 3800: 3800 / 2350Gm NOS (OB) (M9) square gray plates - green letters
1 12BH7A $15.00 Sylvania 110% / 110% 3400: 3400 / 2350Gm NOS (wb) (M9) square gray plates - green letters
1 12BH7A $15.00 Sylvania 110% / 110% 3700: 3700 / 2350Gm NOS (OB) (M9) square gray plates - red letters
1 12BH7A $15.00 Sylvania 115% / 115% 3800: 3600 / 2350Gm NOS (OB) (M9) square gray plates - red letters
1 12BH7A $15.00 Sylvania 120% / 110% 3900: 3700 / 2350Gm NOS (OB) (M9) square gray plates - red letters
1 12BH7A $15.00 Sylvania 115% / 115% 3600: 3700 / 2350Gm NOS (OB) (M9) square gray plates - red letters
1 12BH7A $15.00 Sylvania 110% / 110% 3500: 3500 / 2350Gm NOS (OB) (M9) square gray plates - red letters
1 12BH7A $15.00 Sylvania 120% / 110% 3900: 3600 / 2350Gm NOS (OB) (M9) square gray plates - red letters
1 12BH7A $16.00 Raytheon 120% / 110% 3900: 3600 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $20.00 RCA 115% / 120% 3900: 4000 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $20.00 RCA 120% / 130% 4200: 4400 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $20.00 RCA 120% / 130% 3900: 4300 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $20.00 RCA 125% / 120% 3800: 3600 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $20.00 RCA 115% / 115% 3800: 3700 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $20.00 RCA 120% / 110% 3800: 3700 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $15.00 Motorola 140% / 130% 4400: 4000 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 125% / 120% 4000: 3900 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 120% / 135% 3800: 4400 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 130% / 120% 4200: 3900 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 125% / 130% 4000: 4200 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 140% / 130% 4400: 4300 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 130% / 135% 4300: 4300 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 120% / 125% 3800: 4200 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 120% / 120% 4000: 3800 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $15.00 Motorola 130% / 135% 4200: 4400 / 2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 Motorola 115% / 115% 3700: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 Motorola 130% / 110% 4400: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 Motorola 120% / 105% 3900: 3500 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 Motorola 115% / 110% 3600: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 GE 120% / 120% 4000: 3900 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $7.50 GE 120% / 120% 3800: 3800 / 2350Gm used (ob) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $7.50 GE 125% / 125% 3800: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $7.50 GE 120% / 105% 3500: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 120% / 100% 3300: 2800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 100% / 110% 3100: 3300 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 115% / 120% 3400: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 110% / 110% 3600: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 105% / 105% 3400: 3400 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 100% / 100% 3200: 3300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 110% / 110% 3200: 3300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 110% / 105% 3500: 3100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 120% / 110% 3800: 3600 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 120% / 115% 3700: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 110% / 100% 3600: 3200 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 110% / 100% 3200: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 100% / 105% 3000: 3200 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 120% / 120% 3600: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 100% / 100% 3000: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 115% / 120% 3900: 4100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $7.50 GE 105% / 100% 3200: 3100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 GE 110% / 110% 3200: 3300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 GE 100% / 105% 2800: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $6.00 GE 105% / 120% 3800: 4200 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - white letters
1 12BH7A $5.00 GE 110% / 95% 3200: 2800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $5.00 GE 110% / 95% 3500: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $5.00 GE 90% / 140% 3500: 4200 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $5.00 GE 110% / 90% 2700: 2500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $5.00 GE 100% / 95% 2700: 2400 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $5.00 GE 110% / 95% 3300: 2700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters
1 12BH7A $10.00 RCA 120% / 140% 3900: 4300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 110% / 130% 4000: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 110% / 120% 3500: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 115% / 110% 3900: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 130% / 110% 4000: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 140% / 120% 4400: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 110% / 100% 3500: 3400 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters
1 12BH7A $10.00 RCA 120% / 120% 4300: 4300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters
1 12BH7A $10.00 RCA 135% / 100% 4000: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters
1 12BH7A $10.00 RCA 100% / 100% 2800: 3100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters
1 12BH7A $10.00 RCA 130% / 120% 4600: 4300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters
1 12BH7A $10.00 RCA 125% / 130% 3900: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 130% / 105% 4400: 3500 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 115% / 120% 3900: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 115% / 120% 3800: 3900 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 125% 3900: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 125% / 120% 4000: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 125% / 120% 4200: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 110% / 110% 3800: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 110% / 120% 3500: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 100% / 110% 3300: 3400 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 110% 4000: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 110% / 120% 3800: 3900 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 125% / 110% 3900: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 120% 3800: 3800 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 130% 4000: 4200 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 125% / 125% 4100: 4100 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 120% 3800: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 125% 3800: 390 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 125% / 115% 3600: 3600 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 115% / 115% 4000: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 125% / 130% 4300: 4500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 120% 2800: 3200 / 2350Gm used (rb) (M9) grid 'c' clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 120% / 120% 3600: 3600 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters
1 12BH7A $10.00 RCA 130% / 120% 3800: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $10.00 RCA 135% / 115% 4000: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $9.00 RCA 120% / 105% 3400: 2900 / 2350Gm used (rb) (M9) rectangular ribbed black plates - white letters
1 12BH7A $9.00 RCA 140% / 140% 5000: 4700 / 2350Gm used (rb) (M9) rectangular ribbed black plates - red letters
1 12BH7A $9.00 RCA 110% / 110% 3400: 3300 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $9.00 RCA 125% / 130% 4000: 4000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $9.00 RCA 120% / 135% 4000: 4600 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $5.00 RCA 95% / 120% 2800: 3700 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $5.00 RCA 90% / 100% 2400: 3000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $6.00 Sylvania 110% / 120% 3300: 3700 / 2350Gm used (rb) (M9) rectangular ribbed black plates - yellow letters
1 12BH7A $6.00 Sylvania 140% / 120% 4600: 4300 / 2350Gm used (ob) (M9) rectangular ribbed black plates - yellow letters
1 12BH7A $6.00 Sylvania 130% / 120% 4600: 4400 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 125% / 130% 4100: 4000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 125% / 135% 4200: 4600 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 125% / 120% 4300: 4000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 140% / 120% 45003800 / 2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 130% / 130% 4200: 4100 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 120% / 120% 3800: 3600 / 2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 120% / 135% 3700: 4000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 100% / 140% 4000: 4500 / 2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 120% / 140% 3500: 4200 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 100% / 130% 2800: 3800 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 135% / 130% 3800: 3600 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 130% / 120% 4000: 3500 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 130% / 125% 4000: 3900 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $6.00 Sylvania 100% / 140% 4000: 4300 / 2350Gm used (ob) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $6.00 Sylvania 130% / 135% 4200: 4200 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters
1 12BH7A $6.00 Sylvania 110% / 100% 3900: 3800 / 2350Gm used (ob) (M9) square gray plates - yellow letters
1 12BH7A $6.00 Sylvania 120% / 110% 3800: 3300 / 2350Gm used (rb) (M9) square gray plates - red letters
1 12BH7A $6.00 Sylvania 140% / 100% 4100: 4100 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $6.00 Sylvania 130% / 140% 4000: 4000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $6.00 Sylvania 140% / 130% 4300: 4000 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $6.00 Sylvania 130% / 130% 3000: 3400 / 2350Gm used (wb) (M9) oval ribbed gray plates - yellow letters
1 12BH7A $6.00 Sylvania 120% / 120% 2600: 3000 / 2350Gm used (rb) (M9) square gray plates - green letters
1 12BH7A $6.00 Sylvania 120% / 120% 3000: 2800 / 2350Gm used (rb) (M9) square gray plates - green letters
1 12BH7A $6.00 Sylvania 100% / 120% 2600: 3000 / 2350Gm used (rb) (M9) square gray plates - green letters
1 12BH7A $5.00 Sylvania 95% / 90% 2800: 2700 / 2350Gm used (ob) (M9) square gray plates - yellow letters
1 12BH7A $5.00 Sylvania 95% / 95% 3200: 3200 / 2350Gm used (rb) (M9) square gray plates - yellow letters
1 12BH7A $5.00 Sylvania 100% / 95% 3300: 3000 / 2350Gm used (rb) (M9) rectangular ribbed black plates - yellow letters
1 12BH7A $5.00 Sylvania 90% / 100% 3200: 3400 / 2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $5.00 Sylvania 100% / 90% 2700: 2400 / 2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters
1 12BH7A $7.50 B&K 125% / 130% 4300: 4600 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 Admiral 110% / 115% 3300: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 Admiral 115% / 115% 3800: 3800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 National Union 120% / 100% 3800: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 Wards 115% / 125% 3800: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 Halicrafters 100% / 110% 2600: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 Channel Master 120% / 110% 3300: 3100 / 2350Gm used (rb) (M9) grid "C" clips - oval gray plates
1 12BH7A $7.50 Delmonico 110% / 120% 3400: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 Philco 110% / 100% 3600: 3100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 CBS / Hytron 100% / 105% 3000: 3200 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $6.00 Philco 115% / 110% 3600: 3500 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7A $6.00 Zenith 130% / 110% 3800: 2800 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $6.00 Arvin 110% / 130% 3500: 3700 / 2350Gm used (rb) (M9) flat grid clips - square gray plates
1 12BH7A $6.00 Silvertone 120% / 100% 3500: 2800 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $6.00 Matsushita 130% / 125% 4100: 3900 / 2350Gm used (rb) (M9) square gray plates
1 12BH7A $6.00 CEI 100% / 100% 3000: 3000 / 2350Gm used (ob) (M9) short gray square plates
1 12BH7A $6.00 Daystrom 110% / 115% 3600: 3800 / 2350Gm used (rb) (M9) short square gray plates
1 12BH7A $6.00 Daystrom 120% / 120% 4000: 4100 / 2350Gm used (rb) (M9) short square gray plates
1 12BH7A $6.00 Everett 105% / 115% 3400: 3600 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7A $6.00 Sonar 105% / 105% 3200: 3200 / 2350Gm used (rb) (M9) square gray plates
1 12BH7A $6.00 NEC 110% / 120% 3400: 3600 / 2350Gm used (rb) (M9) short square gray plates
1 12BH7A $6.00 Mitsubishi 100% / 100% 3200: 3300 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $6.00 Daytona 120% / 120% 4000: 4000 / 2350Gm used (rb) (M9) short square gray plates
1 12BH7A $6.00 Philco 130% / 140% 4100: 4500 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $15.00 Tung-Sol 120% / 140% 4600: 4800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $12.00 Tung-Sol 100% / 100% 2900: 2300 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $12.00 Tung-Sol 110% / 100% 3100: 3000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $8.00 Tung-Sol 90% / 110% 3400: 4100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $8.00 Tung-Sol 90% / 130% 3100: 3600 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $10.00 Tung-Sol 140% / 130% 4600: 4300 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $10.00 unknown 110% / 110% 3500: 3300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $10.00 Raytheon 100% / 120% 3600: 3700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $10.00 Raytheon 130% / 120% 4200: 4000 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $10.00 Raytheon 115% / 120% 3600: 3600 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $9.00 Raytheon 105% / 115% 3400: 3800 / 2350Gm used (ob) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 Raytheon 100% / 100% 2800: 3400 / 2350Gm used (ob) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $5.00 Raytheon 110% / 110% 3500: 3500 / 2350Gm used (rb) (M9) short square gray plates
1 12BH7A $10.00 Westinghouse 120% / 110% 3800: 3400 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $8.00 Westinghouse 125% / 125% 4000: 4000 / 2350Gm used (ob) (M9) rectangular ribbed gray plates
1 12BH7A $8.00 Westinghouse 100% / 120% 3200: 3500 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7A $8.00 Westinghouse 110% / 115% 3500: 3500 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7A $5.00 Westinghouse 90% / 90% 2500: 2600 / 2350Gm used (rb) (M9) rectangular ribbed gray plates
1 12BH7A $12.00 Seeburg by RCA 115% / 115% 3700: 3500 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $12.00 Seeburg by RCA 130% / 140% 4200: 4300 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $12.00 Seeburg by RCA 120% / 130% 3800: 4100 / 2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $12.00 Knight by RCA 110% / 110% 3300: 3300 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $7.50 CBS 100% / 110% 2800: 3100 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates
1 12BH7A $7.50 GE 120% / 110% 3800: 3700 / 2350Gm used (L) (M9) tall rectangular gray plates
1 12BH7A $7.50 Realistic 100% / 110% 2900: 3200 / 2350Gm used (rb) (M9) flat grid clips - short square gray plates - gold pins
1 12BH7A $6.00 Selectron 125% / 110% 4100: 3800 / 2350Gm used (rb) (M9) square gray plates
1 12BH7A $6.00 Selectron 110% / 120% 3400: 3500 / 2350Gm used (rb) (M9) square gray plates
1 12BH7 $10.00 National Union 120% / 135% 4000: 4400 / 2350Gm used (ob) (M9) rectangular ribbed black plates
1 12BH7 $10.00 Philco 120% / 110% 3100: 3600 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7 $10.00 Silvertone 115% / 100% 3300: 2800 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7 $8.00 Hytron 120% / 120% 4000: 4000 / 2350Gm used (rb) (M9) rectangular ribbed black plates
1 12BH7 $5.00 Matron 85% / 95% 2300: 2700 / 2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates
1 12BH7A $5.00 unknown 120% / 110% 3800: 3600 / 2350Gm used (L) (M9) flat grid clips - short square gray plates
1 12BH7A $4.00 unknown 110% / 120% 4100: 4200 / 2350Gm used (L) (M9) short square gray plates
1 12BH7A $4.00 unknown 115% / 130% 3800: 4300 / 2350Gm used (L) (M9) short square gray plates
1 12BZ7 $7.50 Raytheon 110% / 120% 1150: 1350 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Raytheon 110% / 120% 1450: 1500 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Raytheon 110% / 130% 1150: 1450 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Raytheon 120% / 110% 1300: 1200 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Raytheon 110% / 120% 1300: 1400 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 GE 110% / 120% 1250: 1400 / 1000Gm NOS (OB) (M9) oval ribbed black plates - white lettering
1 12BZ7 $7.50 Philco 140% / 120% 2600: 2300 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Philco 110% / 140% 1800: 2600 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Philco 110% / 120% 1200: 1250 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Admiral 130% / 120% 1450: 1300 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Rogers 130% / 120% 1400: 1300 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 GM / Delco 120% / 120% 1150: 1200 / 1000Gm NOS (OB) (M9) oval ribbed black plates
1 12BZ7 $7.50 Delco 140% / 120% 1750: 1550 / 1000Gm NOS (OB) (M9) oval ribbed 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