T2399 Microphone PT2399 Microphone Reverb Plate Working Voltage: DC 6-15V Board Size: 50mm x 50mm Package Include:4 x Reverb Plate Note: Just Reverb Plate, without Preamplifier Function R27 is reverb depth resistor, if you want it can be adjustment, please remove R27 and connected a potentiometer to the S - G - G pad. The potentiometer value range is 20k-50k.
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