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Thanks for suggestions ...

I'm not sure what i would use for an active pre. Non-tube would be out of the question, I think. Maybe I shoulda kept my last Eico HF85. I would rather keep from putting new, extra stuff in the signal path.

Apparently, the guitar amp crowd puts 20uf+ on the cathode of 1st tube to increase gain. Tone effect. The link below is to the calculator for values and frequencies. But is this a hi-fi use? and will it screw with feedback?

I have 12BH7 on phase splitter position . Hi-Q 5814 on input, for now.



Edits: 06/28/12

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