Coral A-550

Data[edit]

General

  • Manufacturer: Coral
  • Model: A-550
  • Type: Amplifier
  • Years of manufacture: 1967 - 1971
  • Made in: Japan
  • Color: Gray / rust, housing wood
  • Power consumption:
  • Dimensions (WxHxD): 400 x 146 x 278 mm
  • Weight: 6 Kg
  • Original price approx.: 900 DM


Connections

  • Number of inputs:
    • Input sensitivity:
    • Phono 1 MM: 2.5 mV
    • Phono 2 MC: 0.04 mV
    • Tuner: 200 mV
    • AUX: 200 mV
    • Tape Play: 200 mV
    • Tape Play DIN:
    • Main In:
  • Number of Outputs:
    • Outputs:
    • Tape Rec:
    • DIN:
    • Pre Out:
    • Headphones:
    • Connectors for 2 pairs of speakers


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x18 W
    • 4 Ohm:
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm: 50 W
  • Total harmonic distortion: < 0.8% THD at rated power from 20 - 20000 Hz
  • Attenuation factor: 30 at 8 Ohm
  • Frequency response: 20 - 40'000 Hz
  • Power bandwidth: 15 - 30000 Hz
  • Signal to noise ratio:
    • Phono MC: 60 dB
    • Phono MM: 65 dB
    • Tuner: 70 dB
    • AUX: 70 dB
    • Tape Play: 70 dB
  • Tone control

Bass: ± 12 dB at 100 Hz Treble: ± 12 dB at 10 kHz

  • Loudness: + 7 dB at 100 Hz, + 6 dB at 10 kHz
  • High Filter: - 8 dB at 10 kHz
  • Low Filter: - 8 dB at 50 Hz


Special Features

  • Mono / Stereo switch
  • Pre- and power amplifier separable


Remarks[edit]



Pictures[edit]

  • Picture: Coral A-550 brochure excerpt

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Reports[edit]

Links[edit]