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