OPA627 Preamp Dynamic Crosstalk Issue

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#21
Audiosys said:
The unit only had crosstalk with the input open. Shorting the input, xtalk gone.
Close or same L to R and R to L level approx -60db. Starting about 3k with rising response.
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That's usually caused by capacitive coupling between the channels.
Start by shielding the input wiring, and improving its routing, with
more physical separation between the channels' input wiring.
 
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