YAMAHA NS 615

Specifications
Type: 2 way, 2 driver loudspeaker system

Frequency Response: 60Hz to 20kHz

Power Handling: 50W

Crossover Frequency: 2000Hz

Impedance: 8Ω

Sensitivity: 90dB

Bass: 1 x 180mm cone

Tweeter: 1 x 35mm dome

Dimensions: 382 x 215 x 199mm

Weight: 6kg

Year: 1978