YAMAHA NS -18 speakers

General Manufacturer: Yamaha Model: NS-18 Years of manufacture: 1969 – 1973 Manufactured in: Colour: American Walnut Dimensions: 540 x 720 x 250 mm (W x H x D) Weight: 18 Kg Technical Data Type: 2-way open Chassis: Woofer: 46 x 58 cm Tweeter: 6cm Power handling: 18/45 Watt efficiency: Ideal for Tube-Valve Frequency response: 35-20000 Hz Frequency response: Transient response: (for LS with multiple drivers) Impedance: 8 Ohm