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In Reply to: Need To Develop A Short List Of Tubes For a BHK Pre Amp posted by Mister Pig on April 20, 2019 at 09:03:37:
"Need tubes for the pre amp, which can take 12a*7 family or 6922/6dj8 tubes."
What is the actual preamp? (You don't mention a name or model number)
A preamp that advertises that you can plug a 12AX7 or 12AU7 into the same socket is either going to be running the 12AX7 into the ground or running the 12AU7 so lean that it will sound like garbage. One caveat is that if the preamp in question has a bunch of dip switches to adjust the operating parameters (actual resistors in the circuit), then these tube substitutions could be done with more success.
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Follow Ups
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Caucasian Blackplate 04/20/1909:11:38 04/20/19 (14)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Tre' 11:17:08 04/21/19 (4)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Mister Pig 14:22:38 04/21/19 (3)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Tre' 18:32:12 04/21/19 (2)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Tre' 18:42:04 04/21/19 (1)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Mister Pig 06:24:30 04/22/19 (0)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Mister Pig 09:26:05 04/20/19 (8)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Caucasian Blackplate 09:36:33 04/20/19 (7)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Mister Pig 11:27:54 04/20/19 (6)
- RE: Need To Develop A Short List Of Tubes For a BHK Pre Amp - Caucasian Blackplate 11:32:24 04/20/19 (5)
- It was built for 12AU7s there is plenty to chose among them - Mechans 12:01:35 04/21/19 (4)
- RE: It was built for 12AU7s there is plenty to chose among them - Mister Pig 14:55:45 04/21/19 (3)
- RE: It was built for 12AU7s there is plenty to chose among them - Sondek 06:29:19 04/22/19 (0)
- RE: It was built for 12AU7s there is plenty to chose among them - Tre' 20:56:51 04/21/19 (0)
- I can't argue preferences but the Siemens 6922 is an excellent tube - Mechans 15:50:21 04/21/19 (0)