BoSoZ p3/p4

2Bak · 2nd February 2003, 06:28 PM

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

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.

2nd February 2003, 06:28 PM	#1
2Bak diyAudio Member Join Date: Apr 2002 Location: Denmark	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

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2nd February 2003, 07:53 PM	#2
stefanobilliani diyAudio Member Join Date: Jun 2002 Location: Italy	No. You need only the 100k ohm resistor .

2nd February 2003, 08:00 PM	#3
2Bak diyAudio Member Join Date: Apr 2002 Location: Denmark	yes, what a stupid question 5K resistor = QUIET AMP

2nd February 2003, 08:10 PM	#4
stefanobilliani diyAudio Member Join Date: Jun 2002 Location: Italy	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.