Plate Reverb Receiver

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RSRecords

Well-known member
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Jun 8, 2009
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348
Throwing together a simple opamp based plate reverb receiver with ~40dB of gain and 16kHz and 80hz filters and balanced output. I know there are a multitude of ways to skin this cat but any criticism is welcome. Thanks

2022_06_20_Plate Receiver.png
 
any thoughts on the filters which I guess is technically a wideband pass filter (R15 through IC3B). I bread boarded this and seem to be ok. Though hi frequency slope was very gradual. I was thinking of moving the highpass filter to the input of IC3A with the 1 Meg input resistor (r13).
 
I would increase R15 and R16 by a factor 10 and reduce accordingly capacitors C17 & C24.
An electrolytic in position C17 is bound to distort at LF and drift with age.
It would also make things easier for IC3A.
I would also add rail decoupling caps around IC3.
 

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