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== Data ==
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== Daten ==
'''''JVC Stereo Integrated Amplifier AX-R742 (BK)'''''
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'''''JVC Stereo- Vollverstärker AX-R742 (BK)'''''
{{navigation}}
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{{Navigation}}
  
  
'''General:'''
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'''Allgemein:'''
* Manufacturer: [[JVC]] (Made in Japan)
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* Hersteller: [[JVC]] (Made in Japan)
Type: Dynamic SUPER-A
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* Typ: Dynamic SUPER-A
Dimensions: 43.5 x 14.7 x 34.8 cm (WxHxD)
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* Maße: 43,5 x 14,7 x 34,8 cm (BxHxT)
* Weight: 10,4 Kg
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* Gewicht: 10,4 Kg
* Power consumption: 230 V, 50 Hz, 300 Watt (Europe)
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* Leistungsaufnahme: 230 V, 50 Hz, 300 Watt (Europa)
* Colour: black
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* Farbe: schwarz
* Years of manufacture: 1991 - 1992
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* Baujahre: 1991 - 1992
* Original price approx.: 900,- DM
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* Neupreis ca.: 900,- DM
  
  
'''Technical data:'''
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'''Technische Daten:'''
* Output power:  
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* Ausgangsleistung:  
** 120 watts per channel at 4 ohms at 1 kHz (DIN).
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** 120 Watt pro Kanal bei 4 Ohm bei 1 kHz (DIN).
** 80 watts per channel into 8 ohms at 1 kHz (DIN).
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** 80 Watt pro Kanal bei 8 Ohm bei 1 kHz (DIN).
** 80 watts per channel both channels driven at 8 ohms at 1.0 KHz less than 0.003% distortion factor,
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** 80 Watt pro Kanal beide Kanäle angesteuert an 8 Ohm bei 1,0 KHz kleiner als 0,003 % Klirrfaktor,
* Distortion factor: 0.007 % (20 - 20,000 Hz, into 8 ohms at 75 watts)
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* Klirrfaktor: 0,007 % (20 - 20.000 Hz, an 8 Ohm bei 75 Watt)
* Power bandwidth: 5 - 50,000 Hz (IHF 0.05 % distortion into 8 ohms)
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* Leistungsbandbreite: 5 - 50.000 Hz (IHF 0,05 % Klirrfaktor an 8 Ohm)
* Frequency range: 5 - 80,000 Hz, + 0, - 3 dB (8 Ohm)
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* Frequenzbereich: 5 - 80.000 Hz, + 0, - 3 dB (8 Ohm)
* Remote control: yes (RM-SA741U)
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* Fernbedienung: ja (RM-SA741U)
* Compu- Link: yes (2 x 3,5 mm jack)
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* Compu- Link: ja (2 x 3,5 mm Klinke)
* Fade Muting: yes (only via remote control)
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* Fade-Muting: ja (nur über Fernbedienung)
* Loudspeaker impedance:
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* Lautsprecherimpedanz:
** 4 - 16 ohm (speaker pairs 1 or 2).
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** 4 - 16 ohm (Boxenpaare 1 oder 2)
8 - 16 Ohm (both speaker pairs at the same time)
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** 8 - 16 Ohm (beide Boxenpaare gleichzeitig)
  
  
'''Special features:'''
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'''Besonderheiten:'''
* all functions remote controlled, except balance and SPI- level,
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* alle Funktionen fernbedienbar, außer Balance und SPI- Level,
* switch-on delay (6 sec. by relay),
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* Einschaltverzögerung (6 sek. durch Relais),
* speaker pairs are switched by relay,  
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* Lautsprecherpaare werden über Relais geschaltet,  
* motorized volume control with red LED,
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* motorgesteuerter Lautstärkeregler mit roter LED,
DIRECT button bypasses functions such as: Balance and SEA Equalizer,   
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* DIRECT- Taste überbrückt durch dicke Drähte Funktionen wie: Balance und SEA Equalizer,   
Recording selector switch (eg: listen to the radio and record from CD at the same time).
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* Aufnahmewahlschalter ( zB.: Radio hören und gleichzeitig von CD aufnehmen )
* 1 x Euro socket to connect other devices (rear panel max 200 watts)
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* 1 x Euro-Steckdose zum Anschließen anderer Geräte (Rückwand max 200 Watt)
* 7 channel graphic S.E.A. Equalizer ( ± 12 dB )
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* 7 Kanal Grafischer S.E.A. Equalizer ( ± 12 dB)
* Center frequencies: 63 Hz, 160 Hz, 400 Hz, 1.0 KHz, 2.5 KHz, 6.3 KHz, 16.0 KHz,
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* Mittenfrequenzen: 63 Hz, 160 Hz, 400 Hz, 1,0 KHz, 2,5 KHz, 6,3 KHz, 16,0 KHz,
* 6 tones can be stored, 6 are pre-installed,
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* 6 Klangfarben speicherbar, 6 sind schon vorinstalliert,
S.E.A. can change the sound of the tape recording (switchable).
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* S.E.A. kann den klang der Tape- Aufnahme verändern (zwischenschaltbar)
* Input connections: Phono (MM + MC), Tuner, CD, AUX, Tape1, DAT,
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* Eingangsanschlüsse: Phono (MM + MC), Tuner, CD, AUX, Tape1, DAT,
Loudness: yes, (volume - 30 dB, + 6 dB 100 Hz, + 4 dB 10 KHz),
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* Loudness: ja, (Lautstärke - 30 dB, + 6 dB 100 Hz, + 4 dB 10 KHz),
* Headphone jack: yes, 6.3 mm jack (stereo),
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* Kopfhöreranschluss: ja, 6,3 mm Klinke (Stereo),
* automatic overload protection: yes (relay circuit),
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* automatischer Überlastungsschutz: ja (Relais-Schaltung),
* 2 speaker pairs: yes, (relay switchable),
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* 2 Boxenpaare: ja, (durch Relais schaltbar),
* well suited for tape machines with rear band control,
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* gut geeignet für Bandmaschinen mit Hinterbandkontrolle,
* buffer capacitors: 2x 12,000 µF, 63 V
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* Pufferelkos: 2x 12.000 µF, 63 V
  
  
== Pictures ==
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== Bilder ==
[[File:JVC_AX_R742.jpg|Beschreibung]]
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[[Datei:JVC_AX_R742.jpg|Beschreibung]]
  
[[File:RM_SA74U.jpg|Beschreibung]]
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[[Datei:RM_SA74U.jpg|Beschreibung]]
  
[[File:JVC_AX_R742_innen.jpg|Beschreibung]]
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[[Datei:JVC_AX_R742_innen.jpg|Beschreibung]]
  
  
== Remarks ==
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== Bemerkungen ==
  
== Reports ==
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== Berichte ==
  
 
== Links ==
 
== Links ==
  
[[Category:Integrated amplifier]]
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[[Kategorie:Vollverstärker]]

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