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In Reply to: more on Hk W-5m restoration, passive preamp? posted by PeterI on June 19, 2012 at 13:41:25:
If you use a 100k pot it's output impedance will be 25k when adjusted to -6db.
If you have 200pf of cable + Miller capacitance the -3db point will be 32kHz. The phase will be off all the way down to 3.2kHz.
Get a autoformer volume control from Dave.
Tre'
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Follow Ups
- RE: more on Hk W-5m restoration, passive preamp? - Tre' 13:32:22 06/20/12 (5)
- That is a pretty good price . . . - John PA 15:05:09 06/20/12 (4)
- RE: That is a pretty good price . . . - Tre' 08:23:22 06/21/12 (3)
- I looked at it again and . . . - John PA 17:07:51 06/21/12 (2)
- implementation - Tre' 18:10:26 06/21/12 (1)
- It is nice to see your CL string in . . - John PA 21:47:22 06/21/12 (0)