Amplificator Technics SU 7700

Amplificator 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