acoustic filter crossover, amphiton 35ac-018 vintage acoustic system. capacitors and coils on the circuit board

music acoustic filter crossover vintage system amphitone 35ac018 capacitors coils wires frequency phase electronics electrics ussr quality restoration refurbished painted speaker amphiton 35as018 soviet powerful acoustics brown paint authentic bass black record detail outdoors midfrequency wood pattern metal reel preservation cobalt little dynamic background highquality s90 player 90 watts