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11th February 2013, 04:14 AM
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#1 |
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diyAudio Member
Join Date: Feb 2012
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Turn on pop on speaker even when using relay
Even when hooking up a relay from the amp output to the relay and delaying the connection for a few seconds, there is a short pop on the speaker after the relay makes the connection. Attached is a pic of the relay part of the amp. How do I eliminate this pop?
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11th February 2013, 04:39 AM
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#2 |
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diyAudio Member
Join Date: Nov 2011
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When the relay closes, C4 draws charging current through the speaker causing the pop. The solution is to give C4 an alternate charge path. A resistor of a couple of hundred ohms from pin 4 of the relay to ground should do it.
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