Amplificator Technics SU 7700Amplificator Technics SU 7700: 5 intrari, 4 iesiri, 4-16 ohmi, 450W consum, made in Japan, argintiu, vu metre iluminate, reglaaje bass, inalte, balance, loudness, high filter, eq subsonic, carcasa lemn, poze reale.

General

Manufacturer: Technics
Model: SU-7700
Type: Integrated amplifier
Years of manufacture: 1977 - 1979
Made in: Osaka, Japan
Colour: Silver, wooden cabinet black, as SU-7700K in Technics Brown
Remote control:
Power consumption: 450 W
Dimensions: 410 x 139 x 334 mm (WxHxD)
Weight: 9,7 kg
Original price approx.: 900 DM

Connections

Number of inputs:
Phono (MM): 2.5 mV, 47 kOhm
Radio: 150 mV, 47 kOhm

Aux: 150 mV, 47 kOhm
2x tape: 150 mV, 47 kOhm
Number of outputs:
2x tape
Headphones (6.3mm jack)
2 speaker pairs (4 - 16 Ohm)

Technical Data

Continuous power (at distortion factor)
8 Ohm: 2x 53 W (1 kHz), 2x 50 W (20-20,000 Hz)
4 Ohm: 2x 70 W (1 kHz), 2x 60 W (20-20,000 Hz)
Dynamic power
8 Ohm:
4 Ohm:
Total harmonic distortion: 0.08% (nominal power, 20-20,000 Hz)
Attenuation factor: 80 (8 ohms)
Frequency response:
5 - 80,000 Hz (+0/-3 dB).
20 - 20,000 Hz (±0.5 dB)
Signal-to-noise ratio:
Full scale: 58 dB (low level), 83 dB (high level).
2x 50 mW: 53 dB (high level)
Stereo channel separation:
Tone control:
Bass: ±12 dB (50 Hz).
Treble: ±12 dB (20 kHz)

Loudness: yes
High Filter: 8 kHz (-6 dB/oct)
Low Filter (Subsonic): 30 Hz (-12 dB/oct)
Mute:

Special Features

Electronic overload protection circuit
2 VU meters