Akai AS-1080 DB
Data
General
- Manufacturer: Akai
- Model: AS-1080 DB
- Type: Quadraphonic receiver with Dolby B processor
- Years of manufacture: 1975 - 1977
- Made in: Japan
- Color: silver, wooden cabinet walnut
- Remote control: yes, cable remote control
- Power consumption:
- Dimensions: 520 x 182 x 409 mm (WxHxD).
- Weight: 19.3 kg
- Original price approx.: 1'850 DM
Connections:
- Number of inputs:
- Phono 1: 3 mV, 47 kOhm, max. 130 mV
- Phono 2: 3 mV, 47 kOhm
- AUX: 160 mV, 47 kOhm
- Tape Play 1, 2: 160 mV, 47 kOhm
Coaxial FM antenna connection (75 Ohm) AM antenna connection (300 Ohm)
- Number of outputs:
- Tape Rec 1, 2: 150 mV
4 x loudspeaker pairs: 2 x front, 2 x rear
- 2 x headphone output front + rear: 6.3 mm jack each
Technical data:
Amplifier:
- Continuous power: Quadrophonic
- 8 Ohm: 4 x 40 W (20 Hz - 20 kHz, 0.2 %), 4 x 50 W (1 kHz)
- 4 Ohm:
- Continuous power: Stereo
- 8 Ohm: 2 x 80 W (20 Hz - 20 kHz, 0.2 %), 2 x 100 W (1 kHz)
- 4 Ohm:
- music power: quadrophonic
- 8 Ohm: 170 W
- 4 Ohm: 220 W
- Total harmonic distortion: < 0,2 % bei Nennleistung
- Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz
- Frequenzgang (IHF): 10 Hz - 60'000 Hz
- Phono RIAA: 20 Hz - 20 kHz (8 Ohm), ± 1 dB
- Hochpegel: 10 - 60'000 Hz ± 3 dB
- Signalrauschabstand:
- Phono: >80 dB
Line: > 90 dB
- Tone control:
- Bass: ± 10 dB at 100 Hz
Treble: ± 10 dB at 10 kHz
- Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
- Low Filter (Subsonic): - 10 dB at 50 Hz (6 dB / octave)
- High Filter: - 6 dB at 10 kHz (6 dB / octave)
Muting: - 20 dB
CD-4 Demodulator section:
- Input sensitivity: 1.5 mV
- Input impedance: 4.7 kOhm
- Distortion factor: 0,07
- Signal-to-noise ratio: > 70 dB
- Channel separation at 1 kHz:
- Left to right: 50 dB
front to rear: 30 dB
- Frequency range: 20 - 15'000 Hz
Dolby System:
- Dolby System: Dolby "B" Processor
- Dolby Tone: 400 Hz
Rec. Out: 150 mV
Tuner:
- Reception: FM, AM
- Frequencies:
- FM: 87.5 - 108 MHz
- MW: 525 - 1605 kHz
- Input sensitivity:
- FM: 1.9 µV
- MW: 5 µV
- Frequency response: 20 - 15'000 Hz
- Distortion factor FM: Stereo < 0.4 %, < Mono 0,2 %
- Signalrauschabstand:
- UKW: 70 dB
- AM: 50 dB
- Stereo-Kanaltrennung: >40 dB at 1 kHz
- Selectivity:
- FM: 70 dB
MW: 30 dB
- Co-wave selection: 1.0 dB
- Spurious wave selection: > 70 dB
- Image frequency attenuation:
- FM: > 75 dB
MW: > 55 dB IF attenuation:
- FM: > 90 dB
- MW: > 45 dB
- AM suppression: 50 dB
Special Features
- 4 VU meters
- 4-channel systems: CD-4, SQ, Matrix
- FM muting adjustable, slider control
- Bass / Tweeter control V + H separately
- Multipath display
- Dolby VHF consisting of:
- Rec Level L + R separately adjustable
- Dolby Meter L + R separately adjustable
- Play / Rec
- Play Cal Level L + R separately adjustable
- FM 4-channel output
- Dolby input and output, e.g. for external tape devices without Dolby
Remarks
- All models of the same series:
- [[Introduction to Kenwood 4-Channel Playback Technology
Pictures
- Extract from brochure: Akai AS-1080 DB
- Excerpt from brochure: Akai AS-1080 DB Connectors Rear Panel
- Excerpt from brochure: Akai AS-1080 DB remote control
Reports
Links
- External link to website "The Vintage Knob": [1]</Mono></0,2>