12bh7a retifier

Greetings to all,

I saw a ad somewhere that said the 12bh7a was the same as a 6SN7 tube in a nine pin configuration. Anyone agree with this. I use the 12b in my N.E.W P3 preamp. Enjoy the music.

south4309-29-2010 8:00pm

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cfchew Details Discussions Posts This discussion Message User 13 posts 09-30-2010 at 01:37am Copy Comment URL Report Comment Edit Delete The 6CG7 is the closest 9 pin tube to an octal 6SN7.
south43 OP Details Discussions Posts This discussion Message User 386 posts 09-30-2010 at 05:59am Copy Comment URL Report Comment Edit Delete Thanks for the info Cfchew.
jax2 Details Discussions Posts This discussion Message User 3,031 posts 09-30-2010 at 01:40pm Copy Comment URL Report Comment Edit Delete Neither the 12bh7 nor the 6SN7 tubes are rectifiers. The 12bh7 is a 12volt tube and the 6SN7 is 6 volts. They are not compatible in the same circuit.
south43 OP Details Discussions Posts This discussion Message User 386 posts 09-30-2010 at 04:20pm Copy Comment URL Report Comment Edit Delete Jax2 if the 12b is not a rectifier then what is it doing in the circuit? If I'm not mistaken the P3 does not have SS rectification.

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12bh7a retifier