Difference between revisions of "JVC A-X 7"

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__NOTOC__
 
__NOTOC__
== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
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'''General'''
* Hersteller: [[JVC]]
+
* Manufacturer: [[JVC]]
* Modell: A-X9
+
* Model: A-X 7
* Typ: Vollverstärker
+
* Type: Integrated amplifier
* Baujahre: 1979 - 1981
+
* Years of manufacture: 1979 - 1981
* Hergestellt in: Japan
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* Made in: Japan
* Farbe: Silber
+
* Color: Silver
* Fernbedienung: nein
+
* Remote control: no
* Leistungsaufnahme: 660 Watt max.
+
* Power consumption: 660 watts max.
* Abmessungen (BxHxT): 450 x 159 x 424 mm
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* Dimensions (WxHxD): 450 x 139 x 426 mm
* Gewicht: 16,6 kg
+
* Weight: 12 kg
* Neupreis ca.: 158'000 Yen (Japan, 1979), 2'500 DM  
+
* Original price approx.: 1'500 DM  
  
  
'''Anschlüsse:'''
+
'''Connections:'''
* Eingänge:  
+
* Inputs:  
** Phono MM 1, 2: 2.5 mV/ 100 Ohm, 47 kOhm, 100 kOhm umschaltbar (max. 350mV, 1Khz, 0,005% THD)  
+
** Phono MM 1, 2: 2.5 mV / 47 kOhm (max. 300mV, 1Khz, 0.005% THD).
** Phono MC : 200µV / 100 Ohm (max. 6mV, 1Khz, 0,005% THD)
+
** Phono MC : 200µV / 100 Ohm (max. 23mV, 1Khz, 0,005% THD)
** Tuner, Aux, Tape 1, 2: 200 mV/ 47 kOhm
+
** Tuner, Aux, Tape 1, 2: 200 mV/ 47 kOhm.
* Ausgänge:
+
* Outputs:
** Tape 1,2 Rec Out: 200 mV/ 300 Ohm
+
** Tape 1,2 Rec Out: 200 mV/ 330 Ohm.
** 2 Lautsprecherpaare
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** 2 pairs of speakers
** Kopfhörer
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headphones
  
  
'''Technische Daten Endverstärkerteil'''
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'''Technical Data'''
* Dauerleistung:
+
* Continuous power:
** 8 Ohm: 2x 100W RMS (20Hz - 20Khz, 0,0005% THD), 2x 105W RMS (1Khz, 0,0005% THD)
+
** 8 Ohm: 2x 90W RMS (20Hz - 20Khz, 0.0005% THD), 2x 93W RMS (1Khz, 0.0005% THD).
 
** 4 Ohm:  
 
** 4 Ohm:  
* Dynamikleistung:
+
* Dynamic power:
 
** 8 Ohm:
 
** 8 Ohm:
 
** 4 Ohm:   
 
** 4 Ohm:   
* Klirrfaktor: 0,005% (AUX, Nennleistung, 8 Ohm, 20Hz - 20Khz)  
+
* Distortion factor: 0.003% (AUX, nominal power, 8 Ohm, 20Hz - 20Khz)  
* Dämpfungsfaktor: 200 (1Khz, 8 Ohm)
+
* Attenuation factor: 100 (1Khz, 8 Ohm)
* Frequenzgang: DC - 200Khz (8 Ohm, +0 dB -3dB)
+
* Frequency response: 1 Hz - 400Khz (8 Ohm, +0 dB -3dB)
* Leistungsbandbreite : 5Hz - 100Khz (IHF, RMS, 8 Ohm, 0,02% THD)  
+
* Power bandwidth : 5Hz - 70Khz (IHF, RMS, 8 Ohm, 0.02% THD)  
* RIAA MC: ± 0,3dB (20Hz - 20Khz)  
+
* RIAA MC: ± 0.3dB (20Hz - 20Khz)  
* RIAA MM: ± 0,2dB (20Hz - 20Khz)  
+
* RIAA MM: ± 0.2dB (20Hz - 20Khz)  
 +
* Signal-to-noise ratios:
 +
** MC: 69 dB
 +
** MM: 85 dB
 +
High Level: 110 dB
 +
* Tone control: Yes
 +
** Bass: ± 8 dB at 100 Hz
 +
** Treble: ± 8 dB at 10,000 Hz
 +
* Loudness: + 6 dB at 100 Hz, + 4 dB at 10 kHz
 +
* Subsonic: switchable, 18 Hz - 6 dB/ Oct.
 +
* Muting: switchable, -20 dB
  
  
'''Technische Daten Vorverstärkerteil'''
+
'''Special features:'''
* Signalrauschabstände MC/ MM/ Line: 70 dB/ 85 dB/ 110 dB
+
* DC servo phono preamplifier
* Klangregelung: Ja
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* 3-stage DC construction with passive preamplifier
** Bass: +- 8 dB bei 100 Hz
+
* Super-A power amplifiers, cf:
** Höhen: +- 8 dB bei 10.000 Hz
+
** [[Super-A]]
* Loudness: Schaltbar,regelbar
 
* Subsonic: schaltbar, 18 Hz - 6 dB/ Oct.
 
* Muting: schaltbar, -20 dB
 
  
  
'''Besondere Ausstattungen:'''
+
== Notes ==
* DC-Servo Phonovorstufe
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* Other models in the same series:
* Super-A Endstufen
+
* Integrated amplifiers:
* 3-stufiger DC-Aufbau mit passiver Vorstufe
+
* [[JVC A-X 1]]
* Super-A, siehe auch:
+
* [[JVC A-X 2]]
** [[Super-A|Super-A]]
+
* [[JVC A-X 3]]
 +
* [[JVC A-X 4]]
 +
* [[JVC A-X 5]]
 +
* [[JVC A-X 7]]
 +
* [[JVC A-X 9]]
  
  
== Bemerkungen ==
+
* [[tuner]]
* Weitere Modelle der gleichen Serie:
+
* [[JVC T-X 5]]
* [[JVC A-X 1|A-X 1]]
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* [[JVC T-X 6 L]]
* [[JVC A-X 2|A-X 2]]
 
* [[JVC A-X 3|A-X 3]]
 
* [[JVC A-X 4|A-X 4]]
 
* [[JVC A-X 5|A-X 5]]
 
* [[JVC A-X 7|A-X 7]]
 
* [[JVC A-X 9|A-X 9]]
 
  
  
* Korrespondierende Tuner:
+
== Pictures ==
* [[JVC T-X 6|T-X 6]]
+
* Extract from brochure: JVC A-X 7
* [[JVC T-X 50|T-X 50]]
+
[[File:JVC A-X 7-Prospekt-1.jpg]]
  
  
== Bilder ==
+
== Reports ==
* Auszug aus Prospekt: JVC A-X9
+
* Review from Good Old Hifi: [http://www.good-old-hifi.de/jvc_a-x7/]
[[Datei:JVC A-X 9-Prospekt-2.jpg]]
 
  
  
== Berichte ==
+
== Links ==
  
  
== Links ==
+
[[Category:Integrated amplifier]]
* Externer Link zu Webseite "The Vintage Knob": [[http://www.thevintageknob.org/jvc-A-X9.html]]
 
 
 
[[Kategorie:Vollverstärker]]
 

Latest revision as of 00:35, 26 November 2023

Data[edit]

General

  • Manufacturer: JVC
  • Model: A-X 7
  • Type: Integrated amplifier
  • Years of manufacture: 1979 - 1981
  • Made in: Japan
  • Color: Silver
  • Remote control: no
  • Power consumption: 660 watts max.
  • Dimensions (WxHxD): 450 x 139 x 426 mm
  • Weight: 12 kg
  • Original price approx.: 1'500 DM


Connections:

  • Inputs:
    • Phono MM 1, 2: 2.5 mV / 47 kOhm (max. 300mV, 1Khz, 0.005% THD).
    • Phono MC : 200µV / 100 Ohm (max. 23mV, 1Khz, 0,005% THD)
    • Tuner, Aux, Tape 1, 2: 200 mV/ 47 kOhm.
  • Outputs:
    • Tape 1,2 Rec Out: 200 mV/ 330 Ohm.
    • 2 pairs of speakers

headphones


Technical Data

  • Continuous power:
    • 8 Ohm: 2x 90W RMS (20Hz - 20Khz, 0.0005% THD), 2x 93W RMS (1Khz, 0.0005% THD).
    • 4 Ohm:
  • Dynamic power:
    • 8 Ohm:
    • 4 Ohm:
  • Distortion factor: 0.003% (AUX, nominal power, 8 Ohm, 20Hz - 20Khz)
  • Attenuation factor: 100 (1Khz, 8 Ohm)
  • Frequency response: 1 Hz - 400Khz (8 Ohm, +0 dB -3dB)
  • Power bandwidth : 5Hz - 70Khz (IHF, RMS, 8 Ohm, 0.02% THD)
  • RIAA MC: ± 0.3dB (20Hz - 20Khz)
  • RIAA MM: ± 0.2dB (20Hz - 20Khz)
  • Signal-to-noise ratios:
    • MC: 69 dB
    • MM: 85 dB

High Level: 110 dB

  • Tone control: Yes
    • Bass: ± 8 dB at 100 Hz
    • Treble: ± 8 dB at 10,000 Hz
  • Loudness: + 6 dB at 100 Hz, + 4 dB at 10 kHz
  • Subsonic: switchable, 18 Hz - 6 dB/ Oct.
  • Muting: switchable, -20 dB


Special features:

  • DC servo phono preamplifier
  • 3-stage DC construction with passive preamplifier
  • Super-A power amplifiers, cf:


Notes[edit]



Pictures[edit]

  • Extract from brochure: JVC A-X 7

JVC A-X 7-Prospekt-1.jpg


Reports[edit]

  • Review from Good Old Hifi: [1]


Links[edit]