Difference between revisions of "Akai AS-980"
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__NOTOC__ | __NOTOC__ | ||
− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Akai]] |
− | * | + | * Model: AS-980 |
− | * | + | * Type: Quadrophonic Receiver |
− | * | + | * Years of manufacture: 1973 - 1975 |
− | * | + | * Made in: Japan |
− | * | + | * Color: silver, wooden case walnut |
− | * | + | * Remote control: yes, cable remote control |
− | * | + | * Power consumption: 480 watts max. |
− | * | + | * Dimensions: 650 x 155 x 365 mm |
− | * | + | * Weight: 20,5 Kg |
− | * | + | * Original price approx.: 200'000 Yen (Japan, 1973), 2'980 DM |
− | ''' | + | '''Connections:''' |
− | * | + | * Number of inputs: |
− | ** Phono 1: 3 mV, 50 kOhm, max. | + | ** Phono 1: 3 mV, 50 kOhm, 130 mV max. |
** Phono 2: 3 mV, 50 kOhm | ** Phono 2: 3 mV, 50 kOhm | ||
− | ** | + | ** Microphone: 3.8 mV, 50 kOhm |
** Media Interface: 3 mV, 50 kOhm | ** Media Interface: 3 mV, 50 kOhm | ||
** AUX 1, 2: 150 mV, 100 kOhm | ** AUX 1, 2: 150 mV, 100 kOhm | ||
** Tape Play 1, 2: 150 mV, 100 kOhm | ** Tape Play 1, 2: 150 mV, 100 kOhm | ||
− | + | Main In: 500 mV, 50 kOhm | |
− | + | Coaxial FM antenna connection (75 Ohm) | |
− | ** | + | ** AM antenna connection (300 Ohm) |
− | * | + | * Number of outputs: |
** Tape Rec 1, 2: 150 mV | ** Tape Rec 1, 2: 150 mV | ||
− | + | Pre Out: 500 mV, 4.5 V max. | |
− | ** 4 x | + | ** 4 x loudspeaker pairs: 2 x front, 2 x rear |
− | ** 2 x | + | ** 2 x headphone outputs front + rear: 6.3 mm jack each |
− | ''' | + | '''Technical Data:''' |
− | ''' | + | '''Amplifier:''' |
− | * | + | * continuous power: quadrophonic, 20 Hz - 20 kHz |
** 8 Ohm: 4 x 30 Watt | ** 8 Ohm: 4 x 30 Watt | ||
− | + | 4 Ohm: 4 x 40 Watt | |
− | * | + | * music power: quadrophonic, 20 Hz - 20 kHz |
− | + | 8 Ohm: 170 W | |
** 4 Ohm: 220 W | ** 4 Ohm: 220 W | ||
− | * | + | * Total harmonic distortion: < 0.05 % at rated power |
− | * | + | * Attenuation factor: 50 at 8 ohms, 1 kHz |
− | * | + | * Frequency response: |
− | ** Phono RIAA: 20 Hz - 50 kHz (8 | + | ** Phono RIAA: 20 Hz - 50 kHz (8 ohms), ± 1 dB. |
− | ** | + | ** High level: 10 - 60'000 Hz ± 3 dB |
− | * | + | * Signal-to-noise ratio: |
− | ** Phono: | + | ** Phono: > 75 dB |
− | ** Line: | + | ** Line: > 90 dB |
− | * | + | * Tone control: |
− | ** Bass: ± 10 dB | + | ** Bass: ± 10 dB at 100 Hz |
− | + | Treble: ± 10 dB at 10 kHz | |
− | * Loudness: + 8 dB | + | * Loudness: + 8 dB at 100 Hz, + 5 dB at 10 kHz |
− | * Low Filter (Subsonic): - 5 dB | + | * Low Filter (Subsonic): - 5 dB at 50 Hz (6 dB / octave) |
− | * High Filter: - 6 dB | + | * High Filter: - 6 dB at 10 kHz (6 dB / octave) |
− | + | Muting: - 20 dB | |
− | '''CD-4 Demodulator | + | '''CD-4 Demodulator section:''' |
− | * | + | * Input sensitivity: 2.5 mV |
− | * | + | * Input impedance: 100 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 |
'''Tuner:''' | '''Tuner:''' | ||
− | * | + | * Reception: FM, AM |
− | * | + | * Frequencies: |
− | ** | + | ** FM: 87.5 - 108 MHz |
** MW: 525 - 1605 kHz | ** MW: 525 - 1605 kHz | ||
− | * | + | * Input sensitivity: |
− | ** | + | ** FM: 2.0 µV |
** MW: 10 µV | ** MW: 10 µV | ||
− | * | + | * Frequency response: 20 - 15'000 Hz |
− | * | + | * Distortion factor FM: Stereo < 0.5 %, < Mono 0.3 % |
− | * | + | * Signal-to-noise ratio: |
− | ** | + | ** FM: 70 dB |
** AM: 50 dB | ** AM: 50 dB | ||
− | * Stereo | + | * Stereo channel separation: > 40 dB at 1 kHz |
− | * | + | * Selectivity: |
− | ** | + | ** FM: 70 dB |
− | ** | + | ** AM: 35 dB |
− | * | + | * Co-wave selection: 2.0 dB |
− | * | + | * Spurious wave selection: > 70 dB |
− | * | + | * Image frequency attenuation: |
− | ** | + | ** FM: > 85 dB |
− | + | MW: > 80 dB | |
− | + | IF attenuation: | |
− | ** | + | ** FM: > 100 dB |
− | ** MW: | + | ** MW: > 75 dB |
− | * AM | + | * AM suppression: 50 dB |
− | ''' | + | '''Special Features''' |
− | * 4 VU | + | * 4 VU meters |
− | * | + | * Microphone input front, mixable |
* MPX Noise Filter | * MPX Noise Filter | ||
* FM Muting | * FM Muting | ||
− | * Bass / | + | * Bass / Tweeter control V + H separately |
− | == | + | == Remarks == |
− | * | + | * All models in the same series: |
** [[Akai AA-910]] | ** [[Akai AA-910]] | ||
** [[Akai AA-910 DB]] | ** [[Akai AA-910 DB]] | ||
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− | * | + | * [[Introduction to Kenwood 4-Channel Playback Technology |
− | ** [[ | + | ** [[Introduction Kenwood 4-channel playback technology|Introduction Kenwood 4-channel playback technology]] |
− | == | + | == Pictures == |
− | * | + | * Extract from brochure: Akai AS-980 |
− | [[ | + | [[File:Akai AS-980-Prospekt-1.jpg]] |
− | * | + | * Excerpt from advertisement: Akai GX-280 D-SS with Akai AS-980 |
− | [[ | + | [[File:Akai AS-980-280D-SS-1.jpg]] |
− | == | + | == Reviews == |
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− | [[ | + | [[Category:Receiver]] |
Latest revision as of 00:32, 6 November 2020
Data[edit]
General
- Manufacturer: Akai
- Model: AS-980
- Type: Quadrophonic Receiver
- Years of manufacture: 1973 - 1975
- Made in: Japan
- Color: silver, wooden case walnut
- Remote control: yes, cable remote control
- Power consumption: 480 watts max.
- Dimensions: 650 x 155 x 365 mm
- Weight: 20,5 Kg
- Original price approx.: 200'000 Yen (Japan, 1973), 2'980 DM
Connections:
- Number of inputs:
- Phono 1: 3 mV, 50 kOhm, 130 mV max.
- Phono 2: 3 mV, 50 kOhm
- Microphone: 3.8 mV, 50 kOhm
- Media Interface: 3 mV, 50 kOhm
- AUX 1, 2: 150 mV, 100 kOhm
- Tape Play 1, 2: 150 mV, 100 kOhm
Main In: 500 mV, 50 kOhm Coaxial FM antenna connection (75 Ohm)
- AM antenna connection (300 Ohm)
- Number of outputs:
- Tape Rec 1, 2: 150 mV
Pre Out: 500 mV, 4.5 V max.
- 4 x loudspeaker pairs: 2 x front, 2 x rear
- 2 x headphone outputs front + rear: 6.3 mm jack each
Technical Data:
Amplifier:
- continuous power: quadrophonic, 20 Hz - 20 kHz
- 8 Ohm: 4 x 30 Watt
4 Ohm: 4 x 40 Watt
- music power: quadrophonic, 20 Hz - 20 kHz
8 Ohm: 170 W
- 4 Ohm: 220 W
- Total harmonic distortion: < 0.05 % at rated power
- Attenuation factor: 50 at 8 ohms, 1 kHz
- Frequency response:
- Phono RIAA: 20 Hz - 50 kHz (8 ohms), ± 1 dB.
- High level: 10 - 60'000 Hz ± 3 dB
- Signal-to-noise ratio:
- Phono: > 75 dB
- Line: > 90 dB
- Tone control:
- Bass: ± 10 dB at 100 Hz
Treble: ± 10 dB at 10 kHz
- Loudness: + 8 dB at 100 Hz, + 5 dB at 10 kHz
- Low Filter (Subsonic): - 5 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: 2.5 mV
- Input impedance: 100 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
Tuner:
- Reception: FM, AM
- Frequencies:
- FM: 87.5 - 108 MHz
- MW: 525 - 1605 kHz
- Input sensitivity:
- FM: 2.0 µV
- MW: 10 µV
- Frequency response: 20 - 15'000 Hz
- Distortion factor FM: Stereo < 0.5 %, < Mono 0.3 %
- Signal-to-noise ratio:
- FM: 70 dB
- AM: 50 dB
- Stereo channel separation: > 40 dB at 1 kHz
- Selectivity:
- FM: 70 dB
- AM: 35 dB
- Co-wave selection: 2.0 dB
- Spurious wave selection: > 70 dB
- Image frequency attenuation:
- FM: > 85 dB
MW: > 80 dB IF attenuation:
- FM: > 100 dB
- MW: > 75 dB
- AM suppression: 50 dB
Special Features
- 4 VU meters
- Microphone input front, mixable
- MPX Noise Filter
- FM Muting
- Bass / Tweeter control V + H separately
Remarks[edit]
- All models in the same series:
- [[Introduction to Kenwood 4-Channel Playback Technology
Pictures[edit]
- Extract from brochure: Akai AS-980
- Excerpt from advertisement: Akai GX-280 D-SS with Akai AS-980