H.H. Scott - 420a Audio amplifier

H.H. Scott 420A integrated amplifier in good condition!
Tested and working.
Has some signs of use (see photos)

General

Manufacturer: Scott
Model: 420 A
Type: Integrated amplifier
Years of manufacture: 1978 - 1980
Made in: Japan
Color: Silver
Dimensions: 430 x 300 x 132 mm (W x H x D)
Weight: 8.5 kg
Original price approx.: 700 DM

Technical data Connections

Number of inputs:
Phono: 2.5 mV, 50 kΩ (MM).
Tuner: 150 mV, 50 kΩ
AUX: 150 mV, 50 kΩ
Tape Play: 150 mV, 50 kΩ
Number of outputs:
Tape Rec: 150 mV, 50 kΩ
4x loudspeaker (4 - 16 Ω)

Technical Data

Continuous power (at distortion factor)
8 Ω: 2x 40 W (RMS, 20 - 20,000 Hz)
4 Ω:
Dynamic power
8 Ω:
4 Ω:
Total harmonic distortion: < 0.1 %
Attenuation factor: 40 (8 Ω, 20 - 20,000 Hz)
Frequency response:
PHONO: 20 - 20,000 Hz
Aux, Tuner, Tape Play: 15 - 30,000 Hz
Signal-to-noise ratio:

Phono: 70 dB
High level: 80 dB
Tone control:
Bass: ±10 dB (100 Hz)
Treble: ±10 dB (10 kHz)

Loudness: yes, +6 dB (100 Hz), +3 dB (10 kHz)
Mute: no