Built in the same factory as the legendary NAD 3020
The story goes – The OEM manufacturer, seeing the success of NAD 3020 – created a clone with improved phono stage & marginally better components. This amp is that clone – The Proton 520
Excellent condition – very, very nice. Robust & clean.
Serviced – all looking good. No sign of past repair. No sign of repair required. Voltages & outputs looking good.
Greatly improved Phono stage – allows MM & MC cartridge connection along with ‘Tuning’ settings for MC inputs.
Specifications: amplifier specifications
Power output: 20 watts RMS per channel into 8Ω (stereo). *Absolute tom foolery – this amp produces peaks in excess of 60w
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.015%
Damping factor: 90
Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 68dB (MC), 80dB (MM), 90dB (line)
Independently ‘Tested & Tagged’ for electrical safety.
