karaoke Mic echo DELAY pre amplifier board review & sound testing



Published
The board uses the PT2399 integrated chipfor the echo sound processing and also use with original dual amp 4558 The original PT2399 is a typical Karaoke echo processing integrated circuits The karaoke board also uses two microphone at a time Working Voltage.- 12V DC Single Supply. The Board have 3 controls for adjusting . Mic, Echo, Audio volumes and an optional for Delay control provision.

#echodelaycircuit

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Category
Audio
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