Difference between revisions of "JVC JP-S7"
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− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''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, | + | ** 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, | + | ** 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, | + | ** 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. | + | ** Tuner: 200mV / 70kOhm, max. input voltage: 35 V |
− | ** Aux 1, 2: 200mV / 70kOhm, | + | ** 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 | ||
− | * | + | ** Tape Play 1, 2 DIN: |
− | ** Pre Out 1 | + | * 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 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 | + | ** Phono: 20Hz - 20Khz (±0.3dB, RIAA). |
− | + | Lines: 15Hz - 100Khz (+0 / -1dB) | |
− | * | + | * Distortion factor: |
− | ** 0 | + | ** 0.02% (1Khz, 1V output voltage). |
− | + | 0,05% (1Khz, 5V output voltage) | |
− | * | + | * Signal-to-noise ratio: |
** Phono: 63 dB (RMS) | ** Phono: 63 dB (RMS) | ||
− | + | Phono: 75 dB (IHF-A) | |
− | + | Lines: 86 dB (RMS) | |
** Lines: 96 dB (IHF-A) | ** Lines: 96 dB (IHF-A) | ||
− | * | + | * Tone control: |
− | * | + | ** Tone control with 10 sliders |
− | * Equalizer | + | * Equalizer center frequencies: |
− | ** 32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz ( | + | ** 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 | + | * Loudness: + 8 dB at 100Hz, + 4 dB at 10Khz (Vol. -30 dB) |
− | * High Filter: -6dB / | + | * High Filter: -6dB / octave at 9Khz |
− | * Low Filter (Subsonic): 12 dB / | + | * Low Filter (Subsonic): 12 dB / octave at 18 Hz |
− | * Muting: 0 dB, - 20 dB | + | * Muting: 0 dB, - 20 dB switchable |
+ | * Defeat amplifier: 0 dB, - 14 dB switchable | ||
− | ''' | + | '''Special Features''' |
− | * | + | * Slider |
− | * Bypass | + | * Bypass switch |
− | * SEA | + | * SEA character switchable: Normal, Reverse |
− | + | SEA effect: on / off | |
− | * | + | * Phono control knob under front flap |
− | |||
− | |||
− | == | + | == Remarks == |
− | * | + | * Other models of the same series: |
− | ** | + | ** Power amplifier: JM-S 7, see: |
− | ** [ | + | *** External link: The Vintage Knob website: [http://www.thevintageknob.org/jvc-JM-S7.html] |
− | |||
− | |||
− | |||
− | * | + | == Pictures == |
− | [[ | + | * Extract from brochure: JVC JP-S 7 preamp equalizer |
+ | [[File:JVC JP-S 7-Prospekt-2.jpg]] | ||
+ | |||
+ | |||
+ | == Reviews == | ||
+ | * Review from Good Old Hifi: [https://old-fidelity.de/thread-958-page-25.html] | ||
− | |||
− | |||
== Links == | == Links == | ||
− | * | + | * External link: "Hifi Archive" website: [http://www.hifi-archiv.info/JVC/1980/jvc17.jpg] |
− | * | + | * External Link: "The Vintage Knob" website: [http://www.thevintageknob.org/jvc-JP-S7.html] |
− | * | + | * External Link: Audio Heritage website: [http://audio-heritage.jp/VICTOR/amp/jp-s7.html] |
− | [[ | + | [[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]
- Power amplifier: JM-S 7, see:
Pictures[edit]
- Extract from brochure: JVC JP-S 7 preamp equalizer
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]