JVC KD-A 7

Data[edit]

General:

  • Manufacturer: JVC
  • Model: KD-A 7
  • Type: Stereo cassette deck
  • Years of manufacture: 1979 - 1982
  • Made in: Japan
  • Color: Silver
  • Remote control: R-30 E optional)
  • Power consumption: 40 watts
  • Dimensions: 450 x 120 x 311 mm (WxHxD)
  • Weight: 8.3 kg
  • Original price approx.: 1'150 DM
  • New price remote control R-30 E: 50 DM


Connections:

  • Input sockets:
    • Microphone jack x 2
    • Max sensitivity / matching impedance: 0.2 mV (-72 dB) / 600 Ω - 10 k Ω
    • Line In Jack x 2
    • Minute Input Level / Impedance: 78 mV (-20 dB) / 100 k Ω
  • Output jacks:
    • Line-out jack x 2
    • Output level / impedance: 0 to 300 mV / 3.7 k Ω
    • Output level / impedance: 0 - 0.5 mW / 8 Ω - 1 k Ω


Technical data:

  • Audio heads:
    • 1x 2-SA (Sen alloy) heads X-cut head for recording and playback.
    • 1x 2-Gap head for erasing
  • Motors: 1x FG type DC servo motor for capstan, 1x DC motor for reel.
  • Assembly:
    • Semiconductors: 91 transistors;
    • 4-FETs; 53 ICs; 23 LEDs;
    • 97 diodes (11 Zener diodes); 1 Hall element
  • Belt speed: 4.8 cm/s
  • Synchronous fluctuations: 0.035 % (WRMS); 0.12 % (DIN 45500)
  • Tape types: IV, II, I
  • Frequency response: 0 dB=
    • Metal band: 40 - 12,500 Hz (± 1 dB)
    • SA / Chrome band: 40 - 12,500 Hz (± 1 dB)
    • SF / Normal band: 40 - 12,500 Hz (± 1 dB)
  • At -20 VU recording:
    • Metal band: 15 - 18,000 Hz [25 - 17,000 Hz (± 3 dB)]
    • SA / Chrome band: 15 - 18,000 Hz [25 - 17,000 (± 3 dB)]
    • SF / Normal band: 15 - 17,000 Hz [25 - 16,000 Hz (± 3 dB)]
  • THD: K3: 0.4 %; THD: 1.0 % (metal band, 1 kHz)
  • Signal-to-noise ratio:
    • ANRS - OFF: 60 dB (weighted, 1 kHz, 3% THD, metal band).
    • ANRS- ON: Improved by 5 dB at 1 kHz and 10 dB at 5 kHz
  • Crosstalk attenuation: Channel separation 35 dB (1 kHz)
  • Bias frequency: 85 kHz
  • Rewind time (C-60): 85 s
  • Auto reverse: no
  • Title search:
  • Dolby: ANRS- ON: Improved by 5 dB at 1 kHz and 10 dB at 5 kHz.


Special Features:

  • ANRS and Super ANRS, see also:


Remarks[edit]

Pictures[edit]

  • Picture: JVC KD-A 7

JVC KD-A 7-Prospekt-1.jpg


  • Excerpt from JVC brochure: JVC KD-A 7

JVC KD-A 7-Prospekt-1.jpg


Reports[edit]

Links[edit]