set volume with 50k Pot on Zen V4 - diyAudio
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Old 10th June 2008, 11:25 AM   #1
cHab is offline cHab  France
diyAudio Member
Join Date: Jun 2008
Default set volume with 50k Pot on Zen V4


I'm a probie in this this world of diy.
I just finish to made my zen v4 (Thank you Mr Pass...) and it works very well.
However I want to set volume without made boz or other preamp today. So in waiting, I want to add a 50k alps pot between source and Vin of the amp. Could you think it is a good idea? that no detoriorate sound ( I think about feedback?

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Old 11th June 2008, 02:32 AM   #2
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Join Date: Mar 2001
The input impedance of the F4 is quite high, but there is some
capacitance to that. Assuming a low impedance source, a 50K
pot will have a maximum of 12.5K (midway position) source impedance
as seen by the input of the F4. That's OK, although my preference
would be for a 25 K pot if possible.
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Old 17th June 2008, 12:49 PM   #3
cHab is offline cHab  France
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Join Date: Jun 2008
Thank you for your reply!
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