Fixed it..solution below


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Posted by buzzdat on 29, 2001 at 6:56 PM:

In Reply to: Basic electronics help needed / audio pot posted by buzzdat on 29, 2001 at 4:18 AM:

Ok, so it is actually a 10K stereo pot, not 100K as I had originally posted. (R$ sells these as 'stereo volume controls')

The pot needs to be connected on the input side of the amplifier, as follows:

lug 1 - input
lug 2 - output
lug 3 - ground
lug 4 (top lug) ground

Ascii art folows: this will look like crap if you arent using a fixed font...

4
------- O...
/ ----- \ :
| | + | | :
\ ----- / :
------- :
1 2 3 :
O O O....:......... Ground
: |
: |
: |
: ------------------ Output
:
..................... Input


The ground has to be attached to 3 and 4 to avoid hum, or so I'm told.

It works beautifully now, nice smooth volume level control.

BTW, If anyone's interested, I got the amplifier kit at web-tronics (see attached link); sounds great, was easy to assemble, etc. etc.





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