Difference between revisions of "JVC JP-S7"

 
(16 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
__NOTOC__
 
__NOTOC__
== Daten ==
+
== Data ==
{{Navigation}}
+
{{navigation}}
'''Allgemein'''
+
'''General'''
* Hersteller: [[JVC]]
+
* Manufacturer: [[JVC]]
* Modell: JP-S 7
+
* Model: JP-S 7
* Baujahre: 1975 - 1977
+
* Years of manufacture: 1975 - 1982
* Hergestellt in: Japan
+
* Made in: Japan
* Farbe: Front Kunststoff
+
* Color: Front plastic gray / silver
* Typ: Stereo Vorverstärker und Equalizer
+
* Type: Stereo preamplifier equalizer
* Leistungsaufnahme: 65 Watt
+
* Power consumption: 27 watts
* Abmessungen: 578 x 162,5 x 268 mm (BxHxT)
+
* Dimensions: 578 x 162.5 x 268 mm (WxHxD)
* Gewicht: 8.7 kg
+
* Weight: 8.7 kg
* Neupreis ca.: 170'000 Yen (1975), 2'500 DM
+
* Original price approx.: 170'000 Yen (1975), 2'500 DM
  
  
THD : 0,05% (1Khz, 5V output)  
+
'''Connections'''
0,02% (1Khz, 1V output)  
+
* Number of inputs:
S/N ratio : 63dB (phono, RMS)  
+
** Phono 1 MM: 2 mV, switchable: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, max. input voltage: 350 mV (1Khz, RMS).
75dB (phono, IHF-A)
+
** 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)  
86dB (lines, 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)  
96dB (lines, IHF-A)
+
** Tuner: 200mV / 70kOhm, max. input voltage: 35 V
Frequency response : 15Hz...100Khz (+0 / -1dB ; lines)
+
** Aux 1, 2: 200mV / 70kOhm, with input level control on rear panel, max. input voltage: 35 V
20Hz...20Khz (±0,3dB, RIAA)
+
** Tape Play 1, 2: 200mV / 50kOhm
SEA frequencies : 32 / 63 / 125 / 250 / 500Hz
+
** Tape Play 1, 2 DIN:
1 / 2 / 4 / 8 / 16Khz (selectable between 12 / 16 / 20Khz)  
+
* Number of outputs:
Defeat circuits : SEA defeat switch
+
** Pre Out 1: 1V / 4 kOhm
14dB inter-stage amplification defeat switch
+
** 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
  
  
'''Anschlüsse'''
+
'''Technical Data'''
* Anzahl der Eingänge:
+
* Frequency response:  
** Phono 1 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, max. Eingangsspannung: 350 mV (1Khz, RMS)  
+
** Phono: 20Hz - 20Khz (±0.3dB, RIAA).
** Phono 2 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, mit Eingangspegelregler auf Rückseite, max. Eingangsspannung: 350 mV (1Khz, RMS)  
+
Lines: 15Hz - 100Khz (+0 / -1dB)
** Phono 3 MM: 2 mV, umschaltbar: 33 kOhm / 47kOhm / 100 kOhm; 100pF / 330pF, mit Eingangspegelregler auf Rückseite, max. Eingangsspannung: 350 mV (1Khz, RMS)  
+
* Distortion factor:
** Tuner: 200mV / 70kOhm, max. Eingangsspannung: 35 V
+
** 0.02% (1Khz, 1V output voltage).  
** Aux 1, 2: 200mV / 70kOhm, mit Eingangspegelregler auf Rückseite, max. Eingangsspannung: 35 V
+
0,05% (1Khz, 5V output voltage)  
** Tape Play 1, 2: 200mV / 50kOhm
+
* Signal-to-noise ratio:
* Anzahl der Ausgänge:
+
** Phono: 63 dB (RMS)
** Pre Out 1, 2: 1V / 4 kOhm (Ausgang 2 mit Pegelregler)
+
Phono: 75 dB (IHF-A)
** Tape Rec 1 : 200mV / 80kOhm (RCA)  
+
Lines: 86 dB (RMS)
** Tape Rec 2 : 200mV / 70kOhm (DIN)  
+
** Lines: 96 dB (IHF-A)
** Kopfhörer: 8 - 200 Ohm
+
* 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
  
  
'''Technische Daten'''
+
'''Special Features'''
* Frequenzgang: 20 Hz...20 kHz, ± 0,2dB
+
* Slider
* Klirrfaktor:
+
* Bypass switch
** 0,002% (20 Hz...20 kHz bei 15V Rec out)
+
* SEA character switchable: Normal, Reverse
** 0,002% (20 Hz...20 kHz bei 10V Pre out)
+
SEA effect: on / off
* Signalrauschabstand:  
+
* Phono control knob under front flap
** Phono 1 MM: 85 / 84 / 92dB (IHF A / IHF-A202 / DIN)
 
** Phono 1 MC: 68 / 77 / 82dB (IHF A / IHF-A202 / DIN)
 
** Phono 2 MC: 68 / 76 / 76dB (IHF A / IHF-A202 / DIN)
 
** Lines: 105 / 100 / 110dB (IHF A / IHF-A202 / DIN)
 
* Stereokanaltrennung:
 
* Klangregelung:
 
* Klangregelung mit je 12 Schiebereglern L + R
 
* Equalizer Mittenfrequenzen:
 
** 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,
 
** Regelbereich ± 6 dB, ± 12 dB, umschaltbar (1 oder 2 dB Schritte)
 
* Loudness: + 8 dB bei 100Hz, + 4 dB bei 10Khz (Vol. -30 dB)
 
* High Filter: -6dB / Oktave bei 9Khz
 
* Low Filter (Subsonic): 12 dB / Oktave bei 18 Hz
 
* Muting: 0 dB, - 20 dB umschaltbar
 
  
  
'''Besondere Ausstattungen'''
+
== Remarks ==
* Schieberegler für L + R separat
+
* Other models of the same series:
* Bypass Schalter
+
** Power amplifier: JM-S 7, see:
* SEA Charakter umschaltbar: Normal, Reverse
+
*** External link: The Vintage Knob website: [http://www.thevintageknob.org/jvc-JM-S7.html]
* Lautstärkeabsenker umschaltbar: 0 dB, - 6 dB
 
* SEA Effekt: Ein / Aus
 
  
'''Besondere Ausstattungen'''
 
* Einstellregler unter Frontklappe
 
  
== Bemerkungen ==
+
== Pictures ==
* Weitere Modelle der gleichen Serie:
+
* Extract from brochure: JVC JP-S 7 preamp equalizer
** Endverstärker: M-L 10
+
[[File:JVC JP-S 7-Prospekt-2.jpg]]
** [[JVC M-L 10|M-L 10]]
 
  
== Bilder ==
 
* Bilder: JVC P-L 10 Vorverstärker
 
[[Datei:JVC PL-10-4.jpg]]
 
  
* Bilder: JVC P-L 10 Vorverstärker Einstellregler unter Frontklappe
+
== Reviews ==
[[Datei:JVC ML-PL-10-3.jpg]]
+
* Review from Good Old Hifi: [https://old-fidelity.de/thread-958-page-25.html]
  
== Berichte ==
 
* Testbericht: Fono Forum 9/1982
 
  
 
== Links ==
 
== Links ==
* Externer Link: Webseite "The Vintage Knob": [http://www.thevintageknob.org/jvc-JP-S7.html]
+
* External link: "Hifi Archive" website: [http://www.hifi-archiv.info/JVC/1980/jvc17.jpg]
  
* Externer Link: Webseite "Audio Heritage": [http://audio-heritage.jp/VICTOR/amp/p-l10.html]
+
* External Link: "The Vintage Knob" website: [http://www.thevintageknob.org/jvc-JP-S7.html]
  
* Externer Link: Webseite "Wegavision Pytalhost": [http://wegavision.pytalhost.com/JVC/1982/04.jpg]
+
* External Link: Audio Heritage website: [http://audio-heritage.jp/VICTOR/amp/jp-s7.html]
  
[[Kategorie:Vorverstärker]]
+
[[Category:Preamplifier]]

Latest revision as of 01:07, 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]