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Old 26th May 2013, 11:52 PM   #1
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Default Plug in potentiometer for 2x100watt class D amp

Hi guys..i'm newer in this group.....i need your share about my new project.i 've buy a 2x100 watt class d 4 ohm amplifier.but,this amp no volume controller.so,i've buy a alps potentiometer.at the same time,my problem still not solve because i dont know how to put this potentiometer to this amp....i dont know where is L /R at the leg of potentiometer for me connect from rca ...somobody can help me?plzz guys....i'm still study about diy amplifier...

THIS IS MY AMPLIFIER CLASS D 4 OHM BY SURE ELECTRONIC:
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AND THIS IS A VOLUME CONTROLLER THAT I WANT TO PLUG IN:
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Last edited by rosmawwar; 27th May 2013 at 09:15 AM.
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Old 27th May 2013, 09:28 AM   #2
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somebody can help me plz? i need your skill to teach me....i want learn to connect this potentiometer to this amplifier...
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Old 27th May 2013, 09:37 AM   #3
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Post #46 here should make it clear. The connections are the same,
Simple stereo gain stage
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Old 28th May 2013, 10:22 AM   #4
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Quote:
Originally Posted by Mooly View Post
Post #46 here should make it clear. The connections are the same,
Simple stereo gain stage
Alrite....tq bro....tq so much....i will survive the project better than before....
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Old 9th June 2013, 02:17 PM   #5
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Quote:
Originally Posted by Mooly View Post
Post #46 here should make it clear. The connections are the same,
Simple stereo gain stage
at the port of RCA female,where is positive(+) wire? can u show me?
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Old 9th June 2013, 04:35 PM   #6
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The centre connection is the signal carrying connector and the outer part is ground for all RCA connections.

So the outer part (the ground) of all the RCA sockets should be connected together to maintain continuity and these also connect to the "pot ground" connections that I showed in the diagram in the link. Yes
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Old 10th June 2013, 03:52 AM   #7
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Quote:
Originally Posted by Mooly View Post
The centre connection is the signal carrying connector and the outer part is ground for all RCA connections.

So the outer part (the ground) of all the RCA sockets should be connected together to maintain continuity and these also connect to the "pot ground" connections that I showed in the diagram in the link. Yes
alrite...tq bro...one more question...the ground at RCA connector are same with ground at the board or not?
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Old 10th June 2013, 06:26 AM   #8
Mooly is offline Mooly  United Kingdom
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Quote:
Originally Posted by rosmawwar View Post
alrite...tq bro...one more question...the ground at RCA connector are same with ground at the board or not?
Yes, RCA grounds connect to the signal or input grounds or the amp.
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