Onkyo A-7055

Data[edit]

General

  • Manufacturer: Onkyo
  • Model: A-7055
  • Type: Integrated amplifier
  • Years of manufacture: 1974 - 1976
  • Made in: Japan
  • Color: Metallic / Wood
  • Remote control: no
  • Power consumption:
  • Dimensions: 423 x 136 x 358 mm (WHT).
  • Weight: 9.3 kg
  • Original price approx.: 1'095 DM


Connections

  • Number of inputs: 6 (Cinch)
    • 2x phono 1.2 / 2.4 / 4.8 mV
    • Tuner 100 mV / 100 kOhm
    • Aux

2x Tape

  • Number of outputs: 3
    • Headphones 6,3mm jack
    • 2x Tape Rec. 100 mV / 10 kOhm
    • 4x loudspeaker


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 33 Watt
    • 4 Ohm: 2x 45 Watt
  • Dynamic power
    • 8 Ohm: 2x 82 Watt
    • 4 Ohm: 2x 125 Watt
  • Distortion (THD): 0.1% at nominal power / 0.03% at 10W
  • Intermodulation: 0.05% at rated power
  • Attenuation factor: 80
  • Frequency response: 10 - 70,000 Hz
  • Signal-to-noise ratio: 110 dB (IHF)
  • Stereo channel separation: 75 dB / 90 dB
  • Tone control:
    • Bass: with 2dB step switches in 5 steps each.
    • Operating frequency: 400 Hz / 125 Hz

treble: with 2dB step switches in 5 steps each

    • Operating frequency: 2 kHz / 8 kHz
  • Loudness: yes
  • High Filter: 7 kHz 6dB/Oct.
  • Low Filter: 30 Hz 6dB/oct.
  • Mute: - 20dB
  • Direct/Line-Straight: Yes


Special Features

  • Switchable phono sensitivity
  • Protection circuit for loudspeakers
  • Additional power connections, 2 switched
  • Device type: Exclusively with silicon transistors
  • Circuit: Differential amplifier with direct stage coupling, pure complementary push-pull output stages
  • Component: 39 silicon transistors, 18 diodes, 2 thermistors


Remarks[edit]



Pictures[edit]

  • Picture: Onkyo A-7055, T-4055

Onkyo A-7055-T-4055-1.jpg


Reports[edit]

Links[edit]