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RE: Question re: replacing 12AX7 with lower gain 5751

Six 12AX7s in X-100C; different applications in different stages. V1 and V2 are phono preamp, using feedback EQ. Lower gain will result in less accurate equalization at the low end where gain is highest. Probably some loss in bass. V3 and V4 are line amps - each using both halves of the tube. Gain will drop by about half, maybe less. V5 and V6 are drivers. May not have audible effect since they're inside a feedback loop.

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  • RE: Question re: replacing 12AX7 with lower gain 5751 - Tom Bavis 12:42:48 08/24/21 (0)
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