Difference between revisions of "Akai AS-1080 DB"
(6 intermediate revisions by the same user not shown) | |||
Line 1: | Line 1: | ||
__NOTOC__ | __NOTOC__ | ||
− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''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 1: 3 mV, 47 kOhm, max. 130 mV | ||
** Phono 2: 3 mV, 47 kOhm | ** Phono 2: 3 mV, 47 kOhm | ||
** AUX: 160 mV, 47 kOhm | ** AUX: 160 mV, 47 kOhm | ||
** Tape Play 1, 2: 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 | ** Tape Rec 1, 2: 150 mV | ||
− | + | 4 x loudspeaker pairs: 2 x front, 2 x rear | |
− | ** 2 x | + | ** 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 | + | ** 8 Ohm: 4 x 40 W (20 Hz - 20 kHz, 0.2 %), 4 x 50 W (1 kHz) |
** 4 Ohm: | ** 4 Ohm: | ||
− | * | + | * Continuous power: Stereo |
− | ** 8 Ohm: 2 x 80 W (20 Hz - 20 kHz, 0 | + | ** 8 Ohm: 2 x 80 W (20 Hz - 20 kHz, 0.2 %), 2 x 100 W (1 kHz) |
** 4 Ohm: | ** 4 Ohm: | ||
− | * | + | * music power: quadrophonic |
** 8 Ohm: 170 W | ** 8 Ohm: 170 W | ||
** 4 Ohm: 220 W | ** 4 Ohm: 220 W | ||
− | * | + | * Total harmonic distortion: < 0,2 % bei Nennleistung |
* Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz | * Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz | ||
* Frequenzgang (IHF): 10 Hz - 60'000 Hz | * Frequenzgang (IHF): 10 Hz - 60'000 Hz | ||
Line 48: | Line 48: | ||
** Hochpegel: 10 - 60'000 Hz ± 3 dB | ** Hochpegel: 10 - 60'000 Hz ± 3 dB | ||
* Signalrauschabstand: | * Signalrauschabstand: | ||
− | ** Phono: > 80 dB | + | ** Phono: >80 dB |
− | + | Line: > 90 dB | |
− | * | + | * Tone control: |
− | ** Bass: ± 10 dB | + | ** Bass: ± 10 dB at 100 Hz |
− | + | Treble: ± 10 dB at 10 kHz | |
− | * Loudness: + 9 dB | + | * Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz |
− | * Low Filter (Subsonic): - 10 dB | + | * Low Filter (Subsonic): - 10 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: 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 System: | + | * Dolby System: Dolby "B" Processor |
* Dolby Tone: 400 Hz | * Dolby Tone: 400 Hz | ||
− | + | Rec. Out: 150 mV | |
'''Tuner:''' | '''Tuner:''' | ||
− | * | + | * Reception: FM, AM |
− | * | + | * Frequencies: |
− | ** | + | ** FM: 87.5 - 108 MHz |
** MW: 525 - 1605 kHz | ** MW: 525 - 1605 kHz | ||
− | * | + | * Input sensitivity: |
− | ** | + | ** FM: 1.9 µV |
** MW: 5 µV | ** MW: 5 µV | ||
− | * | + | * Frequency response: 20 - 15'000 Hz |
− | * | + | * Distortion factor FM: Stereo < 0.4 %, < Mono 0,2 % |
* Signalrauschabstand: | * Signalrauschabstand: | ||
** UKW: 70 dB | ** UKW: 70 dB | ||
** AM: 50 dB | ** AM: 50 dB | ||
− | * Stereo-Kanaltrennung: > 40 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: | + | ** MW: > 45 dB |
− | * AM | + | * AM suppression: 50 dB |
− | ''' | + | '''Special Features''' |
− | * 4 VU | + | * 4 VU meters |
− | * | + | * 4-channel systems: CD-4, SQ, Matrix |
− | + | * FM muting adjustable, slider control | |
− | * FM | + | * Bass / Tweeter control V + H separately |
− | * Bass / | + | * Multipath display |
− | * Multipath | + | * Dolby VHF consisting of: |
− | + | ** Rec Level L + R separately adjustable | |
− | * Dolby | + | ** Dolby Meter L + R separately adjustable |
− | ** Rec Level L + R | ||
− | ** Dolby Meter L + R | ||
** Play / Rec | ** Play / Rec | ||
− | ** Play Cal Level L + R | + | ** Play Cal Level L + R separately adjustable |
− | * | + | * FM 4-channel output |
− | + | * Dolby input and output, e.g. for external tape devices without Dolby | |
− | |||
− | |||
− | * Dolby | ||
− | == | + | == Remarks == |
− | * | + | * All models of the same series: |
** [[Akai AS-1070]] | ** [[Akai AS-1070]] | ||
+ | ** [[Akai AS-1080]] | ||
** [[Akai AS-1080 DB]] | ** [[Akai AS-1080 DB]] | ||
− | * | + | * [[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-1080 DB |
− | [[ | + | [[File:Akai AS-1080 DB-Prospekt-1.jpg]] |
− | * | + | * Excerpt from brochure: Akai AS-1080 DB Connectors Rear Panel |
− | [[ | + | [[File:Akai AS-1080 DB-Prospekt-2.jpg]] |
− | * | + | * Excerpt from brochure: Akai AS-1080 DB remote control |
− | [[ | + | [[File:Akai AS-1080 DB-Prospekt-3.jpg]] |
− | == | + | == Reports == |
== Links == | == Links == | ||
− | * | + | * External link to website "The Vintage Knob": [http://www.thevintageknob.org/akai-AS-1080DB.html] |
− | [[ | + | [[Category:Receiver]]</Mono></0,2> |
Latest revision as of 00:35, 6 November 2020
Data[edit]
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[edit]
- All models of the same series:
- [[Introduction to Kenwood 4-Channel Playback Technology
Pictures[edit]
- 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[edit]
Links[edit]
- External link to website "The Vintage Knob": [1]</Mono></0,2>