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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: All depends on your sources. posted by gusser on August 3, 2014 at 10:50:12:
I don't see the output impedance of the source as being the problem.
Almost anything can drive a 100k stereo volume control but the output impedance of the 100k stereo volume control is what can cause problems with cable capacitance plus Miller capacitance plus stray capacitance.
Even if the source has a output impedance of zero, the pots output impedance will be 25k ohms at the -6db position.
For instance, at 100pF and the -3db point of the low pass filter is 63kHz and the phase is disturbed all the way down to 6.3kHz.
Tre'
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- RE: All depends on your sources. - Tre' 12:07:14 08/03/14 (0)
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