Expression pedal controlled line level attenuator build.

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OfficialCodini

New member
Joined
Apr 22, 2021
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4
I’m looking to build a passive balanced line level attenuator with a TRS jack to connect any universal expression pedal, and a single knob on the unit to set a minimum volume level. I know practically nothing about circuits, but it seems simple enough that I could build this for fairly cheap if I knew how. I’m looking to connect it with some XLRs so it can sit within my rack chain, and I can shift the volume from far away on the expression pedal to anywhere from -6db to 0db or -infinity to 0db depending on where the minimum volume knob on the unit is set. Is there an easy way to accomplish this? Thanks in advance!
 
not entirely passive

this clashes with "universal expression pedal" which can be quite a few things

Perhaps remote control a motor pot?

use VCA's?

"mock-up" your own by means of midi expression pedal and midi VCA?
 

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