Phonic performer A540 Active Speaker circuit diagram
Phonic A540 performer wireless 15 inch 400Watts active speaker schematic
Used ICs: NJM4580, TDA7293, IRF840(FET-SMPS)
SMPS [Click on the schematics to magnify]
Amplifier
HF amplifier
Contour (Tone control)
Speaker
Input
Wireless
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