In the Tremelo2, the element that causes the volume change is an analog part called a Vactrol. It's a combination of an LED and a light-sensitive resistor. The current through the LED is controlled by a digital processor. The audio signal is fully analog and is never converted to digital.
How is the Tremelo2's audio signal path analog, but controlled digitally? Print
Modified on: Thu, 17 Feb, 2022 at 12:49 PM
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