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]
- Other models in the same series:
- Onkyo A-7022
- Onkyo A-7050
- Onkyo A-7055
- Onkyo A-7066
Pictures[edit]
- Picture: Onkyo A-7055, T-4055