Yamaha - NS-635 Speaker

A pair of NS-635 speakers, manufactured in 1979, in excellent physical condition with tested and operational functionality, weighing 18 kg with dimensions 425 × 250 × 245 mm, including box and serials 102961–102962, featuring a 20 cm woofer, a 3.5 cm dome tweeter, 50 W, 90 dB/W/m efficiency, 55–20000 Hz response, 8 Ω impedance, a closed 2-way enclosure, 2000 Hz crossover and tweeter level control.