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-   -   BoSoZ p3/p4 (http://www.diyaudio.com/forums/pass-labs/10648-bosoz-p3-p4.html)

2Bak 2nd February 2003 06:28 PM

BoSoZ p3/p4
 
Simple question:
I will do some re-soldering on the 5K output P4 attenuator on my unbalanced Bosoz cause it makes a noise in the right channel when I turn it. I guess there is a bad connection on the attenuator prints.
I have also 10K pots at input P1 that can be used as volume control while I'm doing the attenuator repair.

I will now try to take out the P4 attenuator from the circuit.
My question is: Should I put a 5K resistor instead of the attenuator?

/Jan

stefanobilliani 2nd February 2003 07:53 PM

No. You need only the 100k ohm resistor .

2Bak 2nd February 2003 08:00 PM

yes, what a stupid question

5K resistor = QUIET AMP

:ashamed:

stefanobilliani 2nd February 2003 08:10 PM

Oh yeah , if unbalanced Bosoz means unbal at the output then you don't need to replace the 5kpot as a fixed resistor.
If the output is balanced then, or pull out P3 and P4 together or
leave P3 as it is and replace P4 with a fixed resirtor. ;)


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