With 85 watts per channel one of the most powerful amps in the shop at the moment. But its not only power that the AX-640 got. The Yamaha amps out of this series are know for their warm sound and your ears won’t be disapointed by this unit. It also comes with a dedicated Phono input that can be switched between MM and MC cartridges. Even a subsonic filter that can be turned on is included – a great choice for a vinyl lover.
This unit has been serviced and comes with 3 months warranty.
Specifications
Power output: 85 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.01%
Damping factor: 100
Input sensitivity: 0.16mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 76dB (MC), 92dB (MM), 102dB (line)
Channel separation: 60dB (MM), 60dB (line)
Output: 150mV (line)
Dimensions: 435 x 139 x 330.5mm
Weight: 8kg
Year: 1990
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