JVC SEA-7070

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%>