Integrated Stereo Amplifier (1980)
Streamlined listening pleasure is inherent in the design of the NA-390, which is a very modern music system simplified.
Sound quality is extremely high, thanks to the use of low noise elements throughout.
Other prime features of usefulness include loudness control button and an uncluttered control panel which is easy to operate.
The unit features continuous power output of 20 watts per channel, minimum RMS, into 8 ohms from 20 to 20,000 Hz, with total harmonic distortion rated at 0.05%.
Power output: 20 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.05%
Damping factor: 30
Input sensitivity: 2.2mV (MM), 150mV (line)
Signal to noise ratio: 82dB (MM), 97dB (line)
Dimensions: 420 x 96 x 335mm
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