Log in using the new customer accounts page.

Get Tube World News!
920.208.0353
tekman@tubeworldexpress.com 
Register    Cart (0) $ 0.00 USD

Preamp tubes

1 2 3
 
Viewing:  
(slightly microphonic) 12BH7 GE Zenith NOS

(slightly microphonic) 12BH7 GE Zenith NOS "U" getter 1953 (10.0/10.6ma)

$ 44.99
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS

(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10.6/7.4ma) (1st series made)

$ 64.99

(!!!!) (Single) 12BH7A GE gray oval plates 1962 (6.6/9.6ma)

$ 14.99
(!!!!) (Recommended Pair) 12BH7A GE branded Zenith and Daystrom gray oval plates

(!!!!) (Recommended Pair) 12BH7A GE branded Zenith and Daystrom gray oval plates "O" getter NOS 1960's (11.0/11.3ma and 10.3/10.5ma)

$ 119.99
(!!!) (Slightly microphonic Single) 12BH7A CBS Oval Black Plates

(!!!) (Slightly microphonic Single) 12BH7A CBS Oval Black Plates "U" getter NOS 1960 era (8.4/9.0ma)

$ 39.99
(!!!) 12BH7A RCA branded Zenith NOS 1970 era (10/13.2ma)

(!!!) 12BH7A RCA branded Zenith NOS 1970 era (10/13.2ma)

$ 54.99
(!!) 12BH7A Philco Sylvania gray oval plates

(!!) 12BH7A Philco Sylvania gray oval plates "O" getter halo used/good 1962 (6.5/7.3ma)

$ 22.99
(!!) 12BH7A RCA gray plates used/good 1960's (8.0/11.2ma)

(!!) 12BH7A RCA gray plates used/good 1960's (8.0/11.2ma)

$ 34.99
(!!) 12BH7A RCA gray plates used/good 1970 era (8/9ma)

(!!) 12BH7A RCA gray plates used/good 1970 era (8/9ma)

$ 34.99
(!!) 12BH7A Sylvania NOS pinched plates 1970's (7.4/8.8ma)

(!!) 12BH7A Sylvania NOS pinched plates 1970's (7.4/8.8ma)

$ 44.44
(!!) 12BH7A Westinghouse black plates

(!!) 12BH7A Westinghouse black plates "U" getter used/good 1950's (6.2/7.2ma)

$ 24.99
(!) 12BH7A GE gray oval plates

(!) 12BH7A GE gray oval plates "O" getter halo used/good 1964 (7.2ma/8.5ma)

$ 24.99
(!) 12BH7A Toshiba rebranded

(!) 12BH7A Toshiba rebranded "Bell and Howell Schools" like new 1960's (9/10.4ma)

$ 29.99
(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates

(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates "U" getter halo NOS 1961 (11.8/16.5ma) (Highest mA and Gm)

$ 59.99
(!!) (Best Value Pair) 12BH7A Channel Master Japan by Hitachi NOS 1962 (10/15ma and 10.6/11.8ma)

(!!) (Best Value Pair) 12BH7A Channel Master Japan by Hitachi NOS 1962 (10/15ma and 10.6/11.8ma)

$ 78.88

(!!) 12BH7A RCA used/good/75% 1967 (7/6ma)

$ 17.99
(!!!) (Good Value Pair) 12BH7A RCA used/very good 1960's (8.0/9.2ma and 9.0/9.7ma) (close Gm)

(!!!) (Good Value Pair) 12BH7A RCA used/very good 1960's (8.0/9.2ma and 9.0/9.7ma) (close Gm)

$ 88.88
(!!!!) (Best Single #1) 12BH7A Sylvania gray pinched plates

(!!!!) (Best Single #1) 12BH7A Sylvania gray pinched plates "O" getter NOS 1960's (9.4/9.2ma) (Same Gm) 1-2% section balance

$ 64.99
(!!!) (Single) 12BH7A CBS Oval Black Plates

(!!!) (Single) 12BH7A CBS Oval Black Plates "O" getter used/good 1960 (7.3/9.6ma)

$ 39.99
(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)

(!!!!) (Single) 12BH7A GE gray oval plates NOS mid-1960's (11.5/16ma)

$ 54.99
Scroll to top