Difference between revisions of "JVC JP-S7"
 
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__NOTOC__
 
__NOTOC__
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== Daten ==
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== Data ==
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{{Navigation}}
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{{navigation}}
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'''Allgemein'''
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'''General'''
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* Hersteller: [[JVC]]
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* Manufacturer: [[JVC]]
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* Modell: JP-S 7
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* Model: JP-S 7
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* Baujahre: 1975 - 1977
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* Years of manufacture: 1975 - 1982
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Front Kunststoff
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* Color: Front plastic gray / silver
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* Typ: Stereo Vorverstärker-Equalizer
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* Type: Stereo preamplifier equalizer
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* Leistungsaufnahme: 27 Watt
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* Power consumption: 27 watts
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* Abmessungen: 578 x 162,5 x 268 mm (BxHxT)
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* Dimensions: 578 x 162.5 x 268 mm (WxHxD)
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* Gewicht: 8.7 kg
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* Weight: 8.7 kg
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* Neupreis ca.: 170'000 Yen (1975), 2'500 DM
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* Original price approx.: 170'000 Yen (1975), 2'500 DM
  
  
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'''Anschlüsse'''
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'''Connections'''
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* Anzahl der Eingänge:
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* Number of inputs:
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** Phono 1 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, max. Eingangsspannung: 350 mV (1Khz, RMS)  
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** Phono 1 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, max. input voltage: 350 mV (1Khz, RMS).
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** Phono 2 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, mit Eingangspegelregler auf Rückseite, max. Eingangsspannung: 350 mV (1Khz, RMS)  
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** Phono 2 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, with input level control on rear panel, max. input voltage: 350 mV (1Khz, RMS)  
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** Phono 3 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, mit Eingangspegelregler auf Rückseite, max. Eingangsspannung: 350 mV (1Khz, RMS)  
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** Phono 3 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, with input level control on rear panel, max. input voltage: 350 mV (1Khz, RMS)  
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** Tuner: 200mV / 70kOhm, max. Eingangsspannung: 35 V
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** Tuner: 200mV / 70kOhm, max. input voltage: 35 V
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** Aux 1, 2: 200mV / 70kOhm, mit Eingangspegelregler auf Rückseite, max. Eingangsspannung: 35 V
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** Aux 1, 2: 200mV / 70kOhm, with input level control on rear panel, max. input voltage: 35 V
 
** Tape Play 1, 2: 200mV / 50kOhm  
 
** Tape Play 1, 2: 200mV / 50kOhm  
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* Anzahl der Ausgänge:
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** Tape Play 1, 2 DIN:
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** Pre Out 1, 2: 1V / 4 kOhm (Ausgang 2 mit Pegelregler)
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* Number of outputs:
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** Pre Out 1: 1V / 4 kOhm
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** Pre Out 2: 1V / 4 kOhm (with level control)
 
** Tape Rec 1 : 200mV / 80kOhm (RCA)  
 
** Tape Rec 1 : 200mV / 80kOhm (RCA)  
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** Tape Rec 2 : 200mV / 70kOhm (DIN)  
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Tape Rec 2 : 200mV / 70kOhm (DIN)  
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** Kopfhörer: 8 - 200 Ohm  
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** Tape Rec 1, 2 DIN:
 +
** Headphones: 8 - 2000 Ohm  
  
  
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'''Technische Daten'''
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'''Technical Data'''
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* Frequenzgang:  
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* Frequency response:  
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** Phono: 20Hz - 20Khz (±0,3dB, RIAA)  
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** Phono: 20Hz - 20Khz (±0.3dB, RIAA).
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** Lines: 15Hz - 100Khz (+0 / -1dB)
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Lines: 15Hz - 100Khz (+0 / -1dB)
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* Klirrfaktor:  
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* Distortion factor:  
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** 0,02% (1Khz, 1V Ausgangsspannung)  
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** 0.02% (1Khz, 1V output voltage).
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** 0,05% (1Khz, 5V Ausgangsspannung)  
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0,05% (1Khz, 5V output voltage)  
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* Signalrauschabstand:  
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* Signal-to-noise ratio:  
 
** Phono: 63 dB (RMS)
 
** Phono: 63 dB (RMS)
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** Phono: 75 dB (IHF-A)
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Phono: 75 dB (IHF-A)
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** Lines: 86 dB (RMS)
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Lines: 86 dB (RMS)
 
** Lines: 96 dB (IHF-A)  
 
** Lines: 96 dB (IHF-A)  
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* Klangregelung:
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* Tone control:
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** Klangregelung mit 10 Schiebereglern
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** Tone control with 10 sliders
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* Equalizer Mittenfrequenzen:
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* Equalizer center frequencies:
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** 32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz (umschaltbar 12, 16 oder 20 kHz)
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** 32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz (switchable 12, 16 or 20 kHz).
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** Regelbereich ± 12 dB (2 dB Schritte)
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Control range ± 12 dB (2 dB steps)
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* Loudness: + 8 dB bei 100Hz, + 4 dB bei 10Khz (Vol. -30 dB)  
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* Loudness: + 8 dB at 100Hz, + 4 dB at 10Khz (Vol. -30 dB)  
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* High Filter: -6dB / Oktave bei 9Khz
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* High Filter: -6dB / octave at 9Khz
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* Low Filter (Subsonic): 12 dB / Oktave bei 18 Hz
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* Low Filter (Subsonic): 12 dB / octave at 18 Hz
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* Muting: 0 dB, - 20 dB umschaltbar
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* Muting: 0 dB, - 20 dB switchable
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* Defeat amplifier: 0 dB, - 14 dB switchable
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* Schieberegler für L + R separat
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* Slider
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* Bypass Schalter
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* Bypass switch
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* SEA Charakter umschaltbar: Normal, Reverse
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* SEA character switchable: Normal, Reverse
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* Lautstärkeabsenker umschaltbar: 0 dB, - 6 dB
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SEA effect: on / off
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* SEA Effekt: Ein / Aus
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* Phono control knob under front flap
  
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'''Besondere Ausstattungen'''
 
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* Einstellregler unter Frontklappe
 
  
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== Bemerkungen ==
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== Remarks ==
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* Weitere Modelle der gleichen Serie:
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* Other models of the same series:
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** Endverstärker: M-L 10
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** Power amplifier: JM-S 7, see:
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** [[JVC M-L 10|M-L 10]]
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*** External link: The Vintage Knob website: [http://www.thevintageknob.org/jvc-JM-S7.html]
  
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== Bilder ==
 
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* Auszug aus Prospekt: JVC JP-S 7 Vorverstärker-Equalizer
 
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[[Datei:JVC JP-S 7-Prospekt-2.jpg]]
 
  
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== Pictures ==
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* Extract from brochure: JVC JP-S 7 preamp equalizer
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[[File:JVC JP-S 7-Prospekt-2.jpg]]
  
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== Berichte ==
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== Reviews ==
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* Review from Good Old Hifi: [https://old-fidelity.de/thread-958-page-25.html]
  
  
 
== Links ==
 
== Links ==
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* Externer Link: Webseite "Wegavision Pytalhost": [http://wegavision.pytalhost.com/JVC/1982/04.jpg]
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* External link: "Hifi Archive" website: [http://www.hifi-archiv.info/JVC/1980/jvc17.jpg]
  
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* Externer Link: Webseite "The Vintage Knob": [http://www.thevintageknob.org/jvc-JP-S7.html]
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* External Link: "The Vintage Knob" website: [http://www.thevintageknob.org/jvc-JP-S7.html]
  
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* Externer Link: Webseite "Audio Heritage": [http://audio-heritage.jp/VICTOR/amp/p-l10.html]
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* External Link: Audio Heritage website: [http://audio-heritage.jp/VICTOR/amp/jp-s7.html]
  
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[[Kategorie:Vorverstärker]]
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[[Category:Preamplifier]]

Latest revision as of 02:07, 31 January 2019

Data[edit]

General

  • Manufacturer: JVC
  • Model: JP-S 7
  • Years of manufacture: 1975 - 1982
  • Made in: Japan
  • Color: Front plastic gray / silver
  • Type: Stereo preamplifier equalizer
  • Power consumption: 27 watts
  • Dimensions: 578 x 162.5 x 268 mm (WxHxD)
  • Weight: 8.7 kg
  • Original price approx.: 170'000 Yen (1975), 2'500 DM


Connections

  • Number of inputs:
    • Phono 1 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, max. input voltage: 350 mV (1Khz, RMS).
    • Phono 2 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, with input level control on rear panel, max. input voltage: 350 mV (1Khz, RMS)
    • Phono 3 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, with input level control on rear panel, max. input voltage: 350 mV (1Khz, RMS)
    • Tuner: 200mV / 70kOhm, max. input voltage: 35 V
    • Aux 1, 2: 200mV / 70kOhm, with input level control on rear panel, max. input voltage: 35 V
    • Tape Play 1, 2: 200mV / 50kOhm
    • Tape Play 1, 2 DIN:
  • Number of outputs:
    • Pre Out 1: 1V / 4 kOhm
    • Pre Out 2: 1V / 4 kOhm (with level control)
    • Tape Rec 1 : 200mV / 80kOhm (RCA)

Tape Rec 2 : 200mV / 70kOhm (DIN)

    • Tape Rec 1, 2 DIN:
    • Headphones: 8 - 2000 Ohm


Technical Data

  • Frequency response:
    • Phono: 20Hz - 20Khz (±0.3dB, RIAA).

Lines: 15Hz - 100Khz (+0 / -1dB)

  • Distortion factor:
    • 0.02% (1Khz, 1V output voltage).

0,05% (1Khz, 5V output voltage)

  • Signal-to-noise ratio:
    • Phono: 63 dB (RMS)

Phono: 75 dB (IHF-A) Lines: 86 dB (RMS)

    • Lines: 96 dB (IHF-A)
  • Tone control:
    • Tone control with 10 sliders
  • Equalizer center frequencies:
    • 32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz (switchable 12, 16 or 20 kHz).

Control range ± 12 dB (2 dB steps)

  • Loudness: + 8 dB at 100Hz, + 4 dB at 10Khz (Vol. -30 dB)
  • High Filter: -6dB / octave at 9Khz
  • Low Filter (Subsonic): 12 dB / octave at 18 Hz
  • Muting: 0 dB, - 20 dB switchable
  • Defeat amplifier: 0 dB, - 14 dB switchable


Special Features

  • Slider
  • Bypass switch
  • SEA character switchable: Normal, Reverse

SEA effect: on / off

  • Phono control knob under front flap


Remarks[edit]

  • Other models of the same series:
    • Power amplifier: JM-S 7, see:
      • External link: The Vintage Knob website: [1]


Pictures[edit]

  • Extract from brochure: JVC JP-S 7 preamp equalizer

JVC JP-S 7-Prospekt-2.jpg


Reviews[edit]

  • Review from Good Old Hifi: [2]


Links[edit]

  • External link: "Hifi Archive" website: [3]
  • External Link: "The Vintage Knob" website: [4]
  • External Link: Audio Heritage website: [5]
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