Amplificator Denon GR 555

Amplificator Denon GR 555: 5 intrari, 4 iesiri, 4-16 ohmi, carcasa lemn, made in Japan, 550W consum, argintiu, reglaje bass, inalte, balance, vu metre signal, scala iluminata, radio incorporat, dolby FM, low high filter, reglaje inalte si bass pe frecventa, loudness, dolby system, poze reale.

General

• Manufacturer: Denon
• Model: GR-555
• Years of manufacture: 1977 - 1979
• Made in: Japan
• Color: aluminum / wood
• Remote control: no
• Power consumption: 550 W
• Dimensions: 518 x 178 x 383 mm
• Weight: 20,5 kg
• Original price approx.: 2'100 DM

Connections

• Number of inputs:
  • Phono 1
  • Phono 2
  • Tape 1

Tape 2

• • Aux
• Number of outputs:
  • 2 pairs of speakers

Technical Specifications

Amplifier

• Continuous power (at distortion)

8 Ohm: 2 x 85 W 4 Ohm: 2 x 120 W

• Dynamic power
  • 8 Ohm: 2 x 120 W
  • 4 Ohm: 2 x 180 W
• Total harmonic distortion: < 0,1%
• Attenuation factor:
• Frequency response: 20 Hz-20 KHz
• Signal-to-noise ratio:
• Stereo channel separation: 70dB (1 KHz) 55 dB (20 Hz-20 KHz).
• Tone control:
  • Bass: 500 Hz/100 Hz +- 10 dB or 250 Hz/50 Hz +- 10 dB.

Treble: 2.5 KHz/10 KHz +- 10dB resp. 5 KHz/20 KHz +- 10 dB

• Loudness: available
• High Filter: 7 KHz (6dB/oct)
• Low Filter (Subsonic): 15 Hz (12 dB/Oct)
• Mute: -20 dB

Tuner

• Reception: FM
• Frequencies: 88 - 108 MHz
• Frequency response: 30 - 15'000 Hz
• Input sensitivity: 1.8µV (IHF)
• Distortion factor: 0,15 % / 0,3
• Signal to noise ratio: 75 dB
• Channel separation: 45 dB
• Selectivity: 80 dB
• Co-wave selection: 95 dB
• Spurious wave selection: 1.5 dB
• Image frequency attenuation: 105 dB
• IF attenuation: 105 dB
• AM suppression: 60 dB