Editing JVC JP-S7

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__NOTOC__
 
__NOTOC__
== Data ==
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== Daten ==
{{navigation}}
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{{Navigation}}
'''General'''
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'''Allgemein'''
* Manufacturer: [[JVC]]
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* Hersteller: [[JVC]]
* Model: JP-S 7
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* Modell: JP-S 7
* Years of manufacture: 1975 - 1982
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* Baujahre: 1975 - 1977
* Made in: Japan
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* Hergestellt in: Japan
* Color: Front plastic gray / silver
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* Farbe: Front Kunststoff
* Type: Stereo preamplifier equalizer
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* Typ: Stereo Vorverstärker und Equalizer
* Power consumption: 27 watts
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* Leistungsaufnahme: 65 Watt
* Dimensions: 578 x 162.5 x 268 mm (WxHxD)
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* Abmessungen: 578 x 162,5 x 268 mm (BxHxT)
* Weight: 8.7 kg
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* Gewicht: 8.7 kg
* Original price approx.: 170'000 Yen (1975), 2'500 DM
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* Neupreis ca.: 170'000 Yen (1975), 2'500 DM
  
  
'''Connections'''
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Tuner input : 200mV / 70kOhm
* Number of inputs:
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Auxiliary 1 / 2 inputs : 200mV / 70kOhm (with level pot)  
** Phono 1 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, max. input voltage: 350 mV (1Khz, RMS).
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Tape 1 / 2 inputs : 200mV / 50kOhm
** 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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Max. input : 350mV (Phono 1/2/3, 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)  
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35V (tuner, aux)
** Tuner: 200mV / 70kOhm, max. input voltage: 35 V
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PRE outputs 1 / 2 : 1V / 4KOhm (output #2 with level pot)
** Aux 1, 2: 200mV / 70kOhm, with input level control on rear panel, max. input voltage: 35 V
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Tape output 1 : 200mV / 80kOhm (RCA)
** Tape Play 1, 2: 200mV / 50kOhm
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Tape output 2 : 200mV / 70kOhm (DIN)
** Tape Play 1, 2 DIN:
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THD : 0,05% (1Khz, 5V output)
* Number of outputs:
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0,02% (1Khz, 1V output)
** Pre Out 1: 1V / 4 kOhm
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S/N ratio : 63dB (phono, RMS)
** Pre Out 2: 1V / 4 kOhm (with level control)
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75dB (phono, IHF-A)
** Tape Rec 1 : 200mV / 80kOhm (RCA)
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86dB (lines, RMS)
Tape Rec 2 : 200mV / 70kOhm (DIN)  
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96dB (lines, IHF-A)
** Tape Rec 1, 2 DIN:
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Frequency response : 15Hz...100Khz (+0 / -1dB ; lines)
** Headphones: 8 - 2000 Ohm
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20Hz...20Khz (±0,3dB, RIAA)  
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SEA frequencies : 32 / 63 / 125 / 250 / 500Hz
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1 / 2 / 4 / 8 / 16Khz (selectable between 12 / 16 / 20Khz)  
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Defeat circuits : SEA defeat switch
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14dB inter-stage amplification defeat switch
  
  
'''Technical Data'''
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'''Anschlüsse'''
* Frequency response:  
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* Anzahl der Eingänge:
** Phono: 20Hz - 20Khz (±0.3dB, RIAA).
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** Phono 1 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF
Lines: 15Hz - 100Khz (+0 / -1dB)
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** Phono 2 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, mit Eingangspegelregler auf Rückseite
* Distortion factor:  
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** Phono 3 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, mit Eingangspegelregler auf Rückseite
** 0.02% (1Khz, 1V output voltage).
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** Tuner/Aux/Tape 1&2: 150mV / 47kOhm
0,05% (1Khz, 5V output voltage)
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* Anzahl der Ausgänge:
* Signal-to-noise ratio:
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** Pre out, Direct mode: 2V / 220 Ohm 
** Phono: 63 dB (RMS)
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** Rec out: 150mV / 220 Ohm
Phono: 75 dB (IHF-A)
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** Kopfhörer: 8 - 200 Ohm
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
 
  
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'''Technische Daten'''
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* Frequenzgang: 20 Hz...20 kHz, ± 0,2dB
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* Klirrfaktor:
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** 0,002% (20 Hz...20 kHz bei 15V Rec out)
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** 0,002% (20 Hz...20 kHz bei 10V Pre out)
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* Signalrauschabstand:
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** Phono 1 MM: 85 / 84 / 92dB (IHF A / IHF-A202 / DIN)
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** Phono 1 MC: 68 / 77 / 82dB (IHF A / IHF-A202 / DIN)
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** Phono 2 MC: 68 / 76 / 76dB (IHF A / IHF-A202 / DIN)
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** Lines: 105 / 100 / 110dB (IHF A / IHF-A202 / DIN)
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* Stereokanaltrennung:
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* Klangregelung:
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* Klangregelung mit je 12 Schiebereglern L + R
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* Equalizer Mittenfrequenzen:
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** 16 Hz, 31,5 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz, 32 kHz,
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** Regelbereich ± 6 dB, ± 12 dB, umschaltbar (1 oder 2 dB Schritte)
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* Loudness: + 8 dB bei 100Hz, + 4 dB bei 10Khz (Vol. -30 dB)
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* High Filter: -6dB / Oktave bei 9Khz
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* Low Filter (Subsonic): 12 dB / Oktave bei 18 Hz
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* Muting: 0 dB, - 20 dB umschaltbar
  
'''Special Features'''
 
* Slider
 
* Bypass switch
 
* SEA character switchable: Normal, Reverse
 
SEA effect: on / off
 
* Phono control knob under front flap
 
  
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'''Besondere Ausstattungen'''
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* Schieberegler für L + R separat
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* Bypass Schalter
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* SEA Charakter umschaltbar: Normal, Reverse
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* Lautstärkeabsenker umschaltbar: 0 dB, - 6 dB
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* SEA Effekt: Ein / Aus
  
== Remarks ==
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'''Besondere Ausstattungen'''
* Other models of the same series:
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* Einstellregler unter Frontklappe
** Power amplifier: JM-S 7, see:
 
*** External link: The Vintage Knob website: [http://www.thevintageknob.org/jvc-JM-S7.html]
 
  
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== Bemerkungen ==
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* Weitere Modelle der gleichen Serie:
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** Endverstärker: M-L 10
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** [[JVC M-L 10|M-L 10]]
  
== Pictures ==
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== Bilder ==
* Extract from brochure: JVC JP-S 7 preamp equalizer
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* Bilder: JVC P-L 10 Vorverstärker
[[File:JVC JP-S 7-Prospekt-2.jpg]]
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[[Datei:JVC PL-10-4.jpg]]
  
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* Bilder: JVC P-L 10 Vorverstärker Einstellregler unter Frontklappe
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[[Datei:JVC ML-PL-10-3.jpg]]
  
== Reviews ==
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== Berichte ==
* Review from Good Old Hifi: [https://old-fidelity.de/thread-958-page-25.html]
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* Testbericht: Fono Forum 9/1982
 
 
  
 
== Links ==
 
== Links ==
* 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]
  
* 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]
  
* External Link: Audio Heritage website: [http://audio-heritage.jp/VICTOR/amp/jp-s7.html]
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* Externer Link: Webseite "Wegavision Pytalhost": [http://wegavision.pytalhost.com/JVC/1982/04.jpg]
  
[[Category:Preamplifier]]
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[[Kategorie:Vorverstärker]]

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