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Chip Amps Amplifiers based on integrated circuits

Pot A103 for general volume
Pot A103 for general volume
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Old 13th September 2017, 05:07 PM   #1
piltous is offline piltous
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Join Date: Sep 2017
Default Pot A103 for general volume

Hello,

I built my amp with this board:
Click the image to open in full size.
TDA7294 2x80W+160W

There is no potentiometer for general volume.

I have one that I can remove from a defect board. It's written A 103 on it....

Can this be use to be connected on the input of the board?

Thanks for your help
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Old 13th September 2017, 05:40 PM   #2
OlegSh is offline OlegSh
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Join Date: Dec 2010
Location: Germany
Pot A103 for general volume
Depending on the brand of the pot it can be audio taper 10k version, so should be fine for the volume control.

Regards,
Oleg
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Old 14th September 2017, 08:47 PM   #3
piltous is offline piltous
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Join Date: Sep 2017
Hi OlegSh,

I ordered a couple of 10k (really cheap on ebay, I hope they are quite good...) because I was not able to find any other ref on the pot that I have (an I don't know exactly how to do with the multimeter).
I ordered 6 pins, this one that I have is 3 pin so I don't think it matchs with my needs.

So I will plug few "line-in" on it, 2 x jack 3.5mm and a bluetooth module.

Thanks for your help
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Old 14th September 2017, 08:48 PM   #4
piltous is offline piltous
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oh and sorry to do not post on the good forum tread...
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Old 15th September 2017, 08:05 AM   #5
OlegSh is offline OlegSh
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Join Date: Dec 2010
Location: Germany
Pot A103 for general volume
You are right about the pot. You need a stereo variant with 6 pins.
Good luck with your build!
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