Yamaha AX-490

Power output: 85 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.008%

Damping factor: 240

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 88dB (MM), 110dB (line)

Output: 150mV (line)

Speaker load impedance: 4Ω to 16Ω

Dimensions: 435 x 146 x 386mm

Weight: 9.2kg

Year: 1992