Sony TA-N80ES / TA-E80ES Stereo Power Amplifier & Control Pre Amplifier

Here we have an ultra rare Sony TA-N80ES / TA-E80ES Stereo Power Amplifier & Control Pre Amplifier combo.
Tested and working (sounds superb!) but 3 out of 8 binding posts do not tighten fully (A Right +/- and A Left TA-N80ES).
Sony TA-E80ES is in very good condition may have the odd minor mark.
Sony TA-N80ES is in very good condition apart from some marks on the top of the wood on the right side (please see images)
TA-E80ES Serial no: 300199
TA-N80ES Serial no: 300116
Both units come reboxed, with original manuals and remote.
Description
The Sony TA-N80ES is a Super Legato Linear pure complementary power amplifier with a powerful power supply.
Specifications
Power output: 200 watts per channel into 8 (stereo)
Frequency response: 1Hz to 200kHz
Total harmonic distortion: 0.004%
Damping factor: 100
Input sensitivity: 1V
Signal to noise ratio: 120dB
Dimensions: 470 x 185 x 440mm
Weight: 24kg