MDB Ventures Audio Tubes

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MDB Ventures Home

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Type: 12BH7 , 12BZ7

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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 Quantity Available Tube Type Price Each Tube Brand Emission Strength Mutual Conductance Description Notes 1 12BH7A $20.00 IEC/Mullard 120%/140% 3900:4300/2350Gm NOS (OB) (M9) Gt. Britain - short rectangular ribbed black plates - white letters 1 12BH7A $30.00 Tung-Sol 120%/120% 4300:4300/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black 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%/130% 4100:4100/2350Gm 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 $24.00 Tung-Sol 120%/125% 4200:4300/2350Gm NOS (ob) (M9) grid "C" clips - oval ribbed black plates - missing box flap 1 12BH7A $17.00 Westinghouse 125%/130% 4100:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 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 $20.00 GE 110%/120% 3900:3600/2350Gm NOS (OB) (M9) Gt. Britain - short rectangular ribbed black plates - white letters 1 12BH7A $24.00 GE 120%/120% 3900:4000/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 GE 130%/130% 4400:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 GE 120%/120% 3600:3600/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - green letters 1 12BH7A $24.00 GE 130%/120% 4200:4000/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - green letters 1 12BH7A $24.00 GE 120%/110% 3800:3600/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $24.00 GE 110%/120% 3600:3700/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $24.00 GE 120%/130% 3900:4100/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $24.00 GE 110%/110% 3500:3500/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $24.00 GE 140%/120% 5000:4800/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $24.00 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 $16.00 Sylvania 120%/120% 3800:3700/2350Gm NOS (OB) (M9) rectangular ribbed gray plates - green letters 1 12BH7A $16.00 Sylvania 125%/120% 3900:3800/2350Gm NOS (OB) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $16.00 Sylvania 130%/130% 3700:3700/2350Gm NOS (wb) (M9) rectangular ribbed gray plates - yellow 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 120%/120% 3900:3900/2350Gm NOS (OB) (M9) square gray plates - yellow letters 1 12BH7A $15.00 Sylvania 120%/115% 3800:3800/2350Gm NOS (OB) (M9) square gray plates - red 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 $18.00 Raytheon 120%/115% 3900:3600/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $18.00 Raytheon 120%/110% 3900:3600/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $18.00 Raytheon 125%/125% 4100:4200/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $20.00 Seeburg by RCA 130%/130% 4300:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $12.00 Cornell 120%/110% 3700:3500/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $30.00 RCA 135%/130% 4500:4300/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $30.00 RCA 120%/130% 3800:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $24.00 RCA 120%/120% 4100:4100/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters - torn box flap 1 12BH7A $24.00 RCA 115%/120% 3900:4000/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 RCA 135%/120% 4800:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 RCA 120%/130% 4200:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 RCA 120%/130% 3900:4300/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 RCA 125%/120% 3800:3600/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 RCA 115%/115% 3800:3700/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $24.00 RCA 120%/120% 4000:4100/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters - missing box flap 1 12BH7A $24.00 RCA 120%/110% 3800:3700/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $20.00 RCA 135%/130% 4600:4400/2350Gm NOS (OB) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $17.00 Motorola 140%/130% 4400:4000/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 125%/120% 4000:3900/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 120%/135% 3800:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 130%/120% 4200:3900/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 125%/130% 4000:4200/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 140%/130% 4400:4300/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 130%/135% 4300:4300/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 120%/125% 3800:4200/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 120%/120% 4000:3800/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $17.00 Motorola 130%/135% 4200:4400/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $12.00 Delta 100%/150% 3700:4600/2350Gm NOS (OB) (M9) short rectangular ribbed black plates 1 12BH7A $12.00 Delta 110%/110% 3000:3000/2350Gm NOS (OB) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $10.00 GE 120%/120% 4000:3900/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $10.00 GE 120%/120% 3800:3800/2350Gm used (ob) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $10.00 GE 125%/125% 3800:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $10.00 GE 120%/105% 3500:3000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 120%/100% 3300:2800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 100%/110% 3100:3300/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 115%/120% 3400:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 110%/110% 3600:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 105%/105% 3400:3400/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 100%/100% 3200:3300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 110%/110% 3200:3300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 110%/105% 3500:3100/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 120%/110% 3800:3600/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 120%/115% 3700:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 110%/100% 3600:3200/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 110%/100% 3200:3000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 100%/105% 3000:3200/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 120%/120% 3600:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 100%/100% 3000:3000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 115%/120% 3900:4100/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $7.50 GE 110%/95% 3200:2800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $7.50 GE 110%/95% 3500:3000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $7.50 GE 90%/140% 3500:4200/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - white letters 1 12BH7A $7.50 GE 110%/90% 2700:2500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $7.50 GE 100%/95% 2700:2400/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $7.50 GE 110%/95% 3300:2700/2350Gm 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 $6.00 GE 105%/120% 3800:4200/2350Gm used (rb) (M9) rectangular ribbed gray plates - white letters 1 12BH7A $10.00 GE 100%/105% 2800:3000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7 $10.00 GE 100%/100% 3100:3300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $15.00 RCA 120%/140% 3900:4300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 130%/130% 4200:4400/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 130%/125% 4300:4200/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 110%/130% 4000:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 110%/120% 3500:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 115%/110% 3900:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 130%/110% 4000:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 140%/120% 4400:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 110%/100% 3500:3400/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 120%/120% 4300:4300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 135%/100% 4000:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - red letters 1 12BH7A $15.00 RCA 135%/135% 4400:4500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 125%/130% 4100:4200/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 100%/100% 2800:3100/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 130%/120% 4600:4300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 115%/120% 3900:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $15.00 RCA 120%/120% 3900:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $12.50 RCA 125%/130% 3900:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 130%/105% 4400:3500/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 115%/120% 3900:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 115%/120% 3800:3900/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 130%/130% 4300:4300/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/125% 3900:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 125%/120% 4000:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 125%/120% 4200:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 110%/110% 3800:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 110%/120% 3500:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 100%/110% 3300:3400/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/110% 4000:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 110%/120% 3800:3900/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 125%/110% 3900:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 135%/130% 4400:4400/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/120% 3800:3800/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/130% 4000:4200/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 125%/125% 4100:4100/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/120% 3800:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/125% 3800:390/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 125%/115% 3600:3600/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 115%/115% 4000:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 125%/130% 4300:4500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.50 RCA 120%/120% 3600:3600/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates - red letters 1 12BH7A $12.00 RCA 130%/120% 3800:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $12.00 RCA 135%/115% 4000:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $12.50 RCA 120%/105% 3400:2900/2350Gm used (rb) (M9) rectangular ribbed black plates - white letters 1 12BH7A $12.50 RCA 140%/140% 5000:4700/2350Gm used (rb) (M9) rectangular ribbed black plates - red letters 1 12BH7A $10.00 RCA 110%/110% 3400:3300/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $10.00 RCA 125%/130% 4000:4000/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $10.00 RCA 120%/135% 4000:4600/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $8.00 RCA 95%/120% 2800:3700/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $8.00 RCA 90%/100% 2400:3000/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7 $15.00 RCA 125%/100% 4000:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7 $15.00 RCA 120%/125% 4000:3900/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates - white letters 1 12BH7A $10.00 Sylvania 110%/120% 3300:3700/2350Gm used (rb) (M9) rectangular ribbed black plates - yellow letters 1 12BH7A $10.00 Sylvania 140%/120% 4600:4300/2350Gm used (ob) (M9) rectangular ribbed black plates - yellow letters 1 12BH7A $8.00 Sylvania 130%/120% 4600:4400/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 120%/120% 3800:4200/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 125%/130% 4100:4000/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 125%/135% 4200:4600/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 125%/120% 4300:4000/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 140%/140% 4200:4400/2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 100%/90% 2700:2400/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 140%/120% 45003800/2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 130%/130% 4200:4100/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 120%/120% 3800:3600/2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 120%/135% 3700:4000/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 100%/140% 4000:4500/2350Gm used (ob) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 120%/140% 3500:4200/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 100%/130% 2800:3800/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 135%/130% 3800:3600/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 130%/120% 4000:3500/2350Gm used (rb) (M9) rectangular ribbed gray plates - yellow letters 1 12BH7A $8.00 Sylvania 140%/140% 4300:4400/2350Gm used (rb) (M9) rectangular ribbed gray plates - green letters 1 12BH7A $8.00 Sylvania 130%/125% 4000:3900/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $8.00 Sylvania 100%/140% 4000:4300/2350Gm used (ob) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $8.00 Sylvania 130%/135% 4200:4200/2350Gm used (rb) (M9) rectangular ribbed gray plates - red letters 1 12BH7A $7.00 Sylvania 110%/100% 3900:3800/2350Gm used (ob) (M9) square gray plates - yellow letters 1 12BH7A $7.00 Sylvania 120%/110% 3800:3300/2350Gm used (rb) (M9) square gray plates - red letters 1 12BH7A $7.00 Sylvania 140%/100% 4100:4100/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7A $7.00 Sylvania 130%/140% 4000:4000/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7A $7.00 Sylvania 140%/130% 4300:4000/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7A $7.00 Sylvania 120%/120% 4200:4100/2350Gm used (rb) (M9) oval gray plates - yellow 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 12BH7 $5.00 Sylvania 90%/90% 2600:2800/2350Gm used (rb) (M9) rectangular ribbed black plates - yellow letters 1 12BH7* $7.50 Philco 100%/110% 3200:3000/2350Gm used (rb) (M9) rectangular ribbed black plates 1 12BH7A* $7.50 Philco 115%/110% 3600:3500/2350Gm used (rb) (M9) rectangular ribbed black plates 1 12BH7A $8.00 Motorola 115%/115% 3700:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $8.00 Motorola 130%/110% 4400:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $8.00 Motorola 120%/105% 3900:3500/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $8.00 Motorola 115%/110% 3600:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7 $5.00 Motorola 95%/135% 3400:3700/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7* $6.00 Motorola 100%/130% 3400:3800/2350Gm used (rb) (M9) rectangular ribbed black plates 1 12BH7 $8.00 Motorola 130%/120% 4400:4100/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7 $10.00 Motorola 110%/130% 3700:4200/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $12.00 B&K 125%/130% 4300:4600/2350Gm used (wb) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $9.00 Admiral 110%/115% 3300:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $8.00 Admiral 115%/115% 3800:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $6.00 Zenith 130%/110% 3800:2800/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7A $5.00 Arvin 110%/130% 3500:3700/2350Gm used (rb) (M9) flat grid clips - square gray plates 1 12BH7A $12.00 National Union 120%/100% 3800:3000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black 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 Matsushita 120%/130% 4100:4100/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7A $10.00 Wards 115%/125% 3800:4000/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black 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 $10.00 Halicrafters 100%/110% 2600:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $10.00 Channel Master 120%/110% 3300:3100/2350Gm used (rb) (M9) grid "C" clips - oval gray plates 1 12BH7A $8.00 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 $9.00 Delmonico 110%/120% 3400:3500/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed 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 $10.00 Philco 110%/100% 3600:3100/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed black plates 1 12BH7A $6.00 Philco 130%/140% 4100:4500/2350Gm used (rb) (M9) rectangular ribbed gray plates 1 12BH7A* $8.00 CBS/Hytron 100%/105% 3000:3200/2350Gm 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 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 $6.00 Raytheon 120%/120% 4000:3800/2350Gm used (ob) (M9) short square gray 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 CBS 120%/120% 4400:3800/2350Gm used (rb) (M9) grid "C" clips - rectangular ribbed gray plates 1 12BH7A $7.50 GE 120%/130% 3500:3700/2350Gm used (rb) (M9) oval gray plates - grid 'C' clips 1 12BH7A $7.50 GE 120%/110% 3800:3700/2350Gm used (L) (M9) tall rectangular gray plates 1 12BH7A $7.50 Realistic 110%/120% 3200:3500/2350Gm used (rb) (M9) flat grid clips - short square gray plates - gold pins 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 12BH7A $6.00 ITT 115%/110% 3900:3900/2350Gm used (rb) (M9) square gray plates 1 12BH7A $6.00 Philco 130%/120% 4200:4100/2350Gm used (rb) (M9) oval 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 Raytheon 120%/130% 3600:3800/2350Gm used (rb) (M9) oval black plates - grid 'C' clips 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 12BH7 $5.00 CBS 120%/100% 3200:2500/2350Gm used (L) (M9) oval black plates - grid 'C' clips 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 12BH7A $5.00 unknown 110%/90% 3200:2800/2350Gm used (L) (M9) oval gray plates - grid 'C' clips 1 12BZ7 $7.50 RCA 130%/120% 1400:1250/1000Gm NOS (OB) (M9) rectangular ribbed black plates - red letters 1 12BZ7 $7.50 RCA 115%/130% 1100:1200/1000Gm NOS (OB) (M9) rectangular ribbed black plates - red letters 1 12BZ7 $7.50 RCA 140%/140% 1350:1300/1000Gm NOS (OB) (M9) rectangular ribbed gray plates - red letters 1 12BZ7 $7.50 RCA 140%/140% 1400:1450/1000Gm NOS (OB) (M9) rectangular ribbed gray plates - red letters 1 12BZ7 $7.50 RCA 120%/115% 1100:1100/1000Gm NOS (OB) (M9) rectangular ribbed black plates - white letters 1 12BZ7 $7.50 RCA 115%/125% 1100:1150/1000Gm NOS (OB) (M9) rectangular ribbed black plates - white letters 1 12BZ7 $7.00 Sylvania 125%/130% 1100:1150/1000Gm used (ob) (M9) rectangular ribbed black plates - torn box flap 1 12BZ7 $5.00 RCA 140%/140% 1400:1350/1000Gm used (OB) (M9) rectangular ribbed gray plates - red letters 1 12BZ7 $5.00 GE 125%/110% 1250:1100/1000Gm used (rb) (M9) rectangular ribbed black plates - white letters 1 12BZ7 $0.50 CBS/Columbia 60%/30% 550:200/1000Gm used weak (L) (M9) rectangular 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. Contact MDB Ventures sales@mdbventures.com Due to the highly volatile nature of the tube business, all Prices are subject to change without notice. Go back to the TOP Audio Vacuum Tube List Shipping and Handling Information MDB Ventures Home Don't forget to visit our Discount Bargain Packs and Bargain Bin for more savings! Email: MDB Ventures sales@mdbventures.com