Difference between revisions of "JVC SEA-7070"

 
 
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1978-1982 im Vertriebsprogramm. Eigentlich gehört dieser SEA zu der japanischen 7070er Serie, wurde aber auch in Europa mit den 3030er Laboratory High End Geräten angeboten.
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__NOTOC__
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== Data ==
 +
{{navigation}}
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'''General'''
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* Manufacturer: [[JVC]]
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* Model: SEA-7070
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* Model series: Laboratory
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* Type: S.E.A. Graphic Equalizer
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* Years of manufacture: 1977 - 1980
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* Manufactured in: Japan
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* Color: Aluminum front, housing gray metallic
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* Power consumption:
 +
* Dimensions (WxHxD): 420 x 160 x 344 mm
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* Weight: 8.6 kg
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* Original price approx.: 2'100 DM
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http://img301.imageshack.us/img301/1885/70703sn.jpg
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'''Connections'''
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* Number of inputs: 5
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* Input impedances:
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** Line In: 50 kOhm
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** Tape-1 Play: 50 kOhm
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** Tape-2 Play: 50 kOhm
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** Tape-1 (DIN) Play: 50 kOhm
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** Tape-2 (DIN) Play: 50 kOhm
 +
* Output impedances:
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** Tape-1 Rec: 330 ohms
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** Tape-2 Rec: 330 Ohm
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** Tape-1 (DIN) Rec: 80 kOhm
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** Tape-2 (DIN) Rec: 80 kOhm
 +
Variable level: 330 Ohm
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* Number of outputs: 2
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** Line 1,2: 2 V/max. 8 V
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 +
 
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'''Technical Data'''
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* Frequency response: 20 Hz to 100 kHz
 +
* Distortion factor: < 0,005% (bei 2 V Ausgang)
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* Signalrauschabstand: >118 dB at 2 V output voltage
 +
* Crosstalk attenuation: 80 dB
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* Tone control with 10 sliders each L + R
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* Equalizer center frequencies:
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** 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.6 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz
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** Additional center frequencies: 22.4, 45, 90, 180, 355, 710 Hz, 1.4, 2.8, 5.6, 11.2, 22.4 kHz
 +
** Control range ± 6 dB, ± 12 dB, switchable (1 or 2 dB steps)
 +
 
 +
 
 +
'''Special Features'''
 +
* Slider for L + R separately
 +
* Slider for Additional Control separate for L + R
 +
* Bypass switch
 +
* Volume cut switchable: 0 dB, - 6 dB
 +
SEA effect: on / off
 +
* SEA recording selector: Line In, Tape 1 --&gt; 2, Tape 2 --&gt; 1
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* SEA output selector: Line, Tape 1, Tape 2, Rec Source
 +
 
 +
 
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== Remarks ==
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* Other models of the same series:
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* JVC Equalizer SEA-20GL
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** [[JVC SEA-20]]
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* JVC Equalizer SEA-50
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** [[JVC SEA-50]]
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* JVC Equalizer SEA-70
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** [[JVC SEA-70]]
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* JVC Equalizer SEA-80
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** [[JVC SEA-80]]
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* JVC Equalizer SEA-7070
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** [[JVC SEA-7070]]
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 +
 
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== Pictures ==
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* JVC SEA-7070 front
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[[File:JVC SEA-7070-1.jpg]]
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 +
 
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* JVC SEA-7070 Front
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[[File:JVC SEA-History-Prospekt-1.jpg]]
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 +
 
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* JVC SEA-7070 rear
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[[File:JVC SEA-History-Prospekt-1.jpg]]
 +
 
 +
 
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* Excerpt from brochure: JVC Equalizer History
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[[File:JVC SEA-History-Prospekt-1.jpg]]
 +
 
 +
 
 +
== Reports ==
 +
 
 +
 
 +
== Links ==
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* External link JVC catalog on website "Hifi Archive": [http://www.hifi-archiv.info/JVC/1980/jvc16.jpg]
 +
 
 +
* External link JVC data sheet on website "Hifi Archive": [http://www.hifi-archiv.info/JVC/1980/jvc34.jpg]
 +
 
 +
 
 +
[[Category:Equalizer]]</0,005%>

Latest revision as of 11:38, 27 November 2020

Data[edit]

General

  • Manufacturer: JVC
  • Model: SEA-7070
  • Model series: Laboratory
  • Type: S.E.A. Graphic Equalizer
  • Years of manufacture: 1977 - 1980
  • Manufactured in: Japan
  • Color: Aluminum front, housing gray metallic
  • Power consumption:
  • Dimensions (WxHxD): 420 x 160 x 344 mm
  • Weight: 8.6 kg
  • Original price approx.: 2'100 DM


Connections

  • Number of inputs: 5
  • Input impedances:
    • Line In: 50 kOhm
    • Tape-1 Play: 50 kOhm
    • Tape-2 Play: 50 kOhm
    • Tape-1 (DIN) Play: 50 kOhm
    • Tape-2 (DIN) Play: 50 kOhm
  • Output impedances:
    • Tape-1 Rec: 330 ohms
    • Tape-2 Rec: 330 Ohm
    • Tape-1 (DIN) Rec: 80 kOhm
    • Tape-2 (DIN) Rec: 80 kOhm

Variable level: 330 Ohm

  • Number of outputs: 2
    • Line 1,2: 2 V/max. 8 V


Technical Data

  • Frequency response: 20 Hz to 100 kHz
  • Distortion factor: < 0,005% (bei 2 V Ausgang)
  • Signalrauschabstand: >118 dB at 2 V output voltage
  • Crosstalk attenuation: 80 dB
  • Tone control with 10 sliders each L + R
  • Equalizer center frequencies:
    • 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.6 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz
    • Additional center frequencies: 22.4, 45, 90, 180, 355, 710 Hz, 1.4, 2.8, 5.6, 11.2, 22.4 kHz
    • Control range ± 6 dB, ± 12 dB, switchable (1 or 2 dB steps)


Special Features

  • Slider for L + R separately
  • Slider for Additional Control separate for L + R
  • Bypass switch
  • Volume cut switchable: 0 dB, - 6 dB

SEA effect: on / off

  • SEA recording selector: Line In, Tape 1 --> 2, Tape 2 --> 1
  • SEA output selector: Line, Tape 1, Tape 2, Rec Source


Remarks[edit]


Pictures[edit]

  • JVC SEA-7070 front

JVC SEA-7070-1.jpg


  • JVC SEA-7070 Front

JVC SEA-History-Prospekt-1.jpg


  • JVC SEA-7070 rear

JVC SEA-History-Prospekt-1.jpg


  • Excerpt from brochure: JVC Equalizer History

JVC SEA-History-Prospekt-1.jpg


Reports[edit]

Links[edit]

  • External link JVC catalog on website "Hifi Archive": [1]
  • External link JVC data sheet on website "Hifi Archive": [2]</0,005%>