Difference between revisions of "Akai AS-1080 DB"

 
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== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
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'''General'''
* Hersteller: [[Akai]]
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* Manufacturer: [[Akai]]
* Modell: AS-1080 DB
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* Model: AS-1080 DB
* Typ: Quadrophonie Receiver
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* Type: Quadraphonic receiver with Dolby B processor
* Baujahre: 1975 - 1978
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* Years of manufacture: 1975 - 1977
* Hergestellt in: Japan
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* Made in: Japan
* Farbe: Silber, Holzgehäuse Nussbaum
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* Color: silver, wooden cabinet walnut
* Fernbedienung: ja, Kabelfernbedienung
+
* Remote control: yes, cable remote control
* Leistungsaufnahme: 480 Watt max.
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* Power consumption:  
* Abmessungen: 650 x 155 x 365 mm
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* Dimensions: 520 x 182 x 409 mm (WxHxD).
* Gewicht: 20,5 Kg
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* Weight: 19.3 kg
* Neupreis ca.: 200'000 Yen (Japan, 1973), entspricht etwa 3'000 DM
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* Original price approx.: 1'850 DM
  
  
'''Anschlüsse:'''
+
'''Connections:'''
* Anzahl der Eingänge:
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* Number of inputs:
** Phono 1: 3 mV, 50 kOhm, max. 130 mV
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** Phono 1: 3 mV, 47 kOhm, max. 130 mV
** Phono 2: 3 mV, 50 kOhm
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** Phono 2: 3 mV, 47 kOhm  
** Mikrofon: 3,8 mV, 50 kOhm
+
** AUX: 160 mV, 47 kOhm
** Media Interface: 3 mV, 50 kOhm  
+
** Tape Play 1, 2: 160 mV, 47 kOhm
** AUX 1, 2: 150 mV, 100 kOhm
+
Coaxial FM antenna connection (75 Ohm)
** Tape Play 1, 2: 150 mV, 100 kOhm
+
AM antenna connection (300 Ohm)
** Main In: 500 mV, 50 kOhm
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* Number of outputs:
** Koaxial FM- Antennenanschluss (75 Ohm)
 
** Anschluss AM- Antenne (300 Ohm)
 
* Anzahl der Ausgänge:
 
 
** Tape Rec 1, 2: 150 mV
 
** Tape Rec 1, 2: 150 mV
** Pre Out: 500 mV, 4,5 V max.
+
4 x loudspeaker pairs: 2 x front, 2 x rear
** 4 x Lautsprecherpaare: 2 x Vorne, 2 x Hinten
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** 2 x headphone output front + rear: 6.3 mm jack each
** 2 x Kopfhörerausgang Vorne + Hinten: je 6,3 mm Klinke
 
  
  
'''Technische Daten:'''
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'''Technical data:'''
  
'''Verstärker:'''
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'''Amplifier:'''
* Dauerleistung: Quadrophonie, 20 Hz - 20 kHz
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* Continuous power: Quadrophonic
** 8 Ohm: 4 x 30 Watt
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** 8 Ohm: 4 x 40 W (20 Hz - 20 kHz, 0.2 %), 4 x 50 W (1 kHz)
** 4 Ohm: 4 x 40 Watt
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** 4 Ohm:  
* Musikleistung: Quadrophonie, 20 Hz - 20 kHz
+
* 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
 
** 8 Ohm: 170 W
 
** 4 Ohm: 220 W
 
** 4 Ohm: 220 W
* Gesamtklirrfaktor: < 0,05 % bei Nennleistung
+
* Total harmonic distortion: < 0,2 % bei Nennleistung  
 
* Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz
 
* Dämpfungsfaktor: 50 bei 8 Ohm, 1 kHz
* Frequenzgang:  
+
* Frequenzgang (IHF): 10 Hz - 60'000 Hz
** Phono RIAA: 20 Hz - 50 kHz (8 Ohm), ± 1 dB
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** Phono RIAA: 20 Hz - 20 kHz (8 Ohm), ± 1 dB
 
** Hochpegel: 10 - 60'000 Hz ± 3 dB
 
** Hochpegel: 10 - 60'000 Hz ± 3 dB
 
* Signalrauschabstand:
 
* Signalrauschabstand:
** Phono: > 75 dB
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** Phono: >80 dB
** Line: > 90 dB
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Line: &gt; 90 dB
* Klangregelung:
+
* Tone control:
** Bass: ± 10 dB bei 100 Hz
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** Bass: ± 10 dB at 100 Hz
** Höhen: ± 10 dB bei 10 kHz
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Treble: ± 10 dB at 10 kHz
* Loudness: + 8 dB bei 100 Hz, + 5 dB bei 10 kHz
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* Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
* Low Filter (Subsonic): - 5 dB bei 50 Hz (6 dB / Oktave)
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* Low Filter (Subsonic): - 10 dB at 50 Hz (6 dB / octave)
* High Filter: - 6 dB bei 10 kHz (6 dB / Oktave)
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* High Filter: - 6 dB at 10 kHz (6 dB / octave)
* Muting: - 20 dB
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Muting: - 20 dB
  
  
'''CD-4 Demodulator-Teil:'''
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'''CD-4 Demodulator section:'''
* Eingangsempfindlichkeit: 2,5 mV
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* Input sensitivity: 1.5 mV
* Eingangsimpedanz: 100 kOhm
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* Input impedance: 4.7 kOhm
* Klirrfaktor: 0,07 %
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* Distortion factor: 0,07
* Signalrauschabstand: > 70 dB
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* Signal-to-noise ratio: &gt; 70 dB
* Kanaltrennung bei 1 kHz:
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* Channel separation at 1 kHz:
** Links zu Rechts: 50 dB
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** Left to right: 50 dB
** Vorne zu Hinten: 30 dB
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front to rear: 30 dB
* Frequenzumfang: 20 - 15'000 Hz
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* Frequency range: 20 - 15'000 Hz
 +
 
 +
 
 +
'''Dolby System:'''
 +
* Dolby System: Dolby "B" Processor
 +
* Dolby Tone:  400 Hz
 +
Rec. Out: 150 mV
  
  
 
'''Tuner:'''
 
'''Tuner:'''
* Empfang: FM, AM
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* Reception: FM, AM
* Frequenzen:
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* Frequencies:
** UKW: 87,5 - 108 MHz
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** FM: 87.5 - 108 MHz
 
** MW: 525 - 1605 kHz
 
** MW: 525 - 1605 kHz
* Eingangsempfindlichkeit:  
+
* Input sensitivity:  
** UKW: 2,0 µV
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** FM: 1.9 µV
** MW: 10 µV
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** MW: 5 µV
* Frequenzgang: 20 - 15'000 Hz
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* Frequency response: 20 - 15'000 Hz
* Klirrfaktor FM: Stereo < 0,5 %, < Mono 0,3 %
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* Distortion factor FM: Stereo &lt; 0.4 %, < Mono 0,2 %
 
* Signalrauschabstand:  
 
* Signalrauschabstand:  
 
** UKW: 70 dB
 
** UKW: 70 dB
 
** AM: 50 dB
 
** AM: 50 dB
* Stereo-Kanaltrennung: > 40 dB bei 1 kHz
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* Stereo-Kanaltrennung: >40 dB at 1 kHz
* Trennschärfe:  
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* Selectivity:  
** UKW: 70 dB
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** FM: 70 dB
** MW: 35 dB
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MW: 30 dB
* Gleichwellenselektion: 2,0 dB
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* Co-wave selection: 1.0 dB
* Nebenwellenselektion: > 70 dB
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* Spurious wave selection: &gt; 70 dB
* Spiegelfrequenzdämpfung:
+
* Image frequency attenuation:
** UKW: > 85 dB
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** FM: &gt; 75 dB
** MW: > 80 dB
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MW: &gt; 55 dB
* ZF-Dämpfung:
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IF attenuation:
** UKW: > 100 dB
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** FM: &gt; 90 dB
** MW: > 75 dB
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** MW: &gt; 45 dB
* AM-Unterdrückung: 50 dB
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* AM suppression: 50 dB
  
  
'''Besondere Ausstattungen'''
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'''Special Features'''
* 4 VU-Meter
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* 4 VU meters
* Mikrofoneingang Front, mischbar
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* 4-channel systems: CD-4, SQ, Matrix
* MPX Noise Filter
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* FM muting adjustable, slider control
* FM Muting
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* Bass / Tweeter control V + H separately
* Bass / Hochtonregler V + H separat
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* Multipath display
* Multipath Anzeige
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* Dolby VHF consisting of:
* Muting
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** Rec Level L + R separately adjustable
* Dolby UKW bestehend aus:
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** Dolby Meter L + R separately adjustable
** Rec Level L + R separat regelbar
 
** Dolby Meter L + R separat einstellbar
 
 
** Play / Rec  
 
** Play / Rec  
** Play Cal Level L + R separat regelbar
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** Play Cal Level L + R separately adjustable
* Multipath Anzeige
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* FM 4-channel output
* High Blend
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* Dolby input and output, e.g. for external tape devices without Dolby
* UKW Detektor Ausgang
 
* Kopfhörer regelbar
 
* Dolby Ein- und Ausgang, zB. für externe Bandgeräte ohne Dolby
 
  
  
== Bemerkungen ==
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== Remarks ==
* Alle Modelle der gleichen Serie:
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* All models of the same series:
 
** [[Akai AS-1070]]
 
** [[Akai AS-1070]]
 +
** [[Akai AS-1080]]
 
** [[Akai AS-1080 DB]]
 
** [[Akai AS-1080 DB]]
  
  
* Einführung in die 4-Kanal Wiedergabetechnik
+
* [[Introduction to Kenwood 4-Channel Playback Technology
** [[Einführung Kenwood 4-Kanal Wiedergabetechnik|Einführung Kenwood 4-Kanal Wiedergabetechnik]]
+
** [[Introduction Kenwood 4-channel playback technology|Introduction Kenwood 4-channel playback technology]]
  
  
== Bilder ==
+
== Pictures ==
* Auszug aus Prospekt: Akai AS-1080 DB
+
* Extract from brochure: Akai AS-1080 DB
[[Datei:Akai AS-1080 DB-Prospekt-1.jpg]]
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[[File:Akai AS-1080 DB-Prospekt-1.jpg]]
  
  
* Auszug aus Prospekt: Akai AS-1080 DB Anschlüsse Rückseite
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* Excerpt from brochure: Akai AS-1080 DB Connectors Rear Panel
[[Datei:Akai AS-1080 DB-Prospekt-2.jpg]]
+
[[File:Akai AS-1080 DB-Prospekt-2.jpg]]
  
  
* Auszug aus Prospekt: Akai AS-1080 DB Fernbedienung
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* Excerpt from brochure: Akai AS-1080 DB remote control
[[Datei:Akai AS-1080 DB-Prospekt-3.jpg]]
+
[[File:Akai AS-1080 DB-Prospekt-3.jpg]]
  
  
== Berichte ==
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== Reports ==
  
  
  
 
== Links ==
 
== Links ==
* Externer Link zu Webseite "The Vintage Knob": [[http://www.thevintageknob.org/akai-AS-1080DB.html]]
+
* External link to website "The Vintage Knob": [http://www.thevintageknob.org/akai-AS-1080DB.html]
  
  
[[Kategorie:Receiver]]
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[[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]



Pictures[edit]

  • Extract from brochure: Akai AS-1080 DB

Akai AS-1080 DB-Prospekt-1.jpg


  • Excerpt from brochure: Akai AS-1080 DB Connectors Rear Panel

Akai AS-1080 DB-Prospekt-2.jpg


  • Excerpt from brochure: Akai AS-1080 DB remote control

Akai AS-1080 DB-Prospekt-3.jpg


Reports[edit]

Links[edit]

  • External link to website "The Vintage Knob": [1]</Mono></0,2>