Sony STR-7055 A
Data
General
- Manufacturer: Sony
- Model: STR-7055 A
- Years of manufacture: 1976 - 1977
- Made in: Japan
- Color: Silver
- Remote control: no
- Power consumption: 300 W max., idle consumption 40 W
- Dimensions: 471 x 157 x 375 mm
- Weight: 15,3 kg
- Original price approx.: 1'198 DM
Connections
- Number of inputs:
- Phono 1, 2: 1.8 mV / 47 kOhm
Tape Play 1, 2: 140 mV / 100 kOhm
- AUX: 140 mV / 100 kOhm
- Antenna FM (75 Ohm / 300 Ohm), MW (300 Ohm)
- Number of outputs:
- Tape Rec: 250 mV / 10 kOhm
Tape Rec DIN: 30 mV / 80 kOhm
- Headphones: 6,3mm jack
- 2 pairs of loudspeakers
Technical Data
Amplifier
- Continuous power (at distortion)
8 Ohm: 45 W (< 0.2 %) 4 Ohm: 55 W (< 0.2 %)
- Dynamic power
- 8 Ohm: 136 W ( < 0.2 %)
- 4 Ohm: 200 W ( < 0.2 %)
- Total harmonic distortion: below 0.2 %
- Attenuation factor: over 50 dB (8 Ohm)
- Frequency response: 20 Hz- 20 kHz
- Signal-to-noise ratio:
- Tone control:
- Bass: yes, ±10 dB (100 Hz)
Treble: yes, ±10 dB (10 kHz)
- Loudness: yes, +10 dB (50 Hz), +4 dB (10 kHz)
- High Filter: yes, 9 kHz
- Low Filter (Subsonic): yes, 50 Hz
- Mute:
Tuner
- Reception:
- Frequencies:
- FM: 87.5 MHz - 108 MHz
- MW: 525 - 1605 kHz
- Frequency response: 20 Hz - 15 kHz
- Input sensitivity: 1.6 uV
- Distortion factor:
- Signal-to-noise ratio: 70 dB
- Channel separation: 38 db / 400 Hz
- Selectivity: 70 dB
- Co-wave selection: 1.0 dB
- Spurious wave selection: 90 dB
- Image frequency attenuation: 70 dB
- IF attenuation: 100 dB
- AM suppression: 56 dB
Special Features
- AUX: 6.3mm jack front
- Tone control bass / treble for L + R separately
- Wooden cabinet optional
Comments
- Other models in the same series:
- Sony STR-7025
- Sony STR-7035
- Sony STR-7055
- Sony STR-7055 A
- Sony STR-7065
Pictures
- Image: Sony STR-7055 A
Reports
- Report from "Mackers": [[1]]
Links
- External link to website "The Vintage Knob": [[2]]