JVC A-X 7

Data

General

• Manufacturer: JVC
• Model: A-X 7
• Type: Integrated amplifier
• Years of manufacture: 1979 - 1981
• Made in: Japan
• Color: Silver
• Remote control: no
• Power consumption: 660 watts max.
• Dimensions (WxHxD): 450 x 139 x 426 mm
• Weight: 12 kg
• Original price approx.: 1'500 DM

Connections:

• Inputs:
  • Phono MM 1, 2: 2.5 mV / 47 kOhm (max. 300mV, 1Khz, 0.005% THD).
  • Phono MC : 200µV / 100 Ohm (max. 23mV, 1Khz, 0,005% THD)
  • Tuner, Aux, Tape 1, 2: 200 mV/ 47 kOhm.
• Outputs:
  • Tape 1,2 Rec Out: 200 mV/ 330 Ohm.
  • 2 pairs of speakers

headphones

Technical Data

• Continuous power:
  • 8 Ohm: 2x 90W RMS (20Hz - 20Khz, 0.0005% THD), 2x 93W RMS (1Khz, 0.0005% THD).
  • 4 Ohm:
• Dynamic power:
  • 8 Ohm:
  • 4 Ohm:
• Distortion factor: 0.003% (AUX, nominal power, 8 Ohm, 20Hz - 20Khz)
• Attenuation factor: 100 (1Khz, 8 Ohm)
• Frequency response: 1 Hz - 400Khz (8 Ohm, +0 dB -3dB)
• Power bandwidth : 5Hz - 70Khz (IHF, RMS, 8 Ohm, 0.02% THD)
• RIAA MC: ± 0.3dB (20Hz - 20Khz)
• RIAA MM: ± 0.2dB (20Hz - 20Khz)
• Signal-to-noise ratios:
  • MC: 69 dB
  • MM: 85 dB

High Level: 110 dB

• Tone control: Yes
  • Bass: ± 8 dB at 100 Hz
  • Treble: ± 8 dB at 10,000 Hz
• Loudness: + 6 dB at 100 Hz, + 4 dB at 10 kHz
• Subsonic: switchable, 18 Hz - 6 dB/ Oct.
• Muting: switchable, -20 dB

Special features:

• DC servo phono preamplifier
• 3-stage DC construction with passive preamplifier
• Dynamic Super-A amplifiers, cf:
  • Super-A

Notes

• Other models in the same series:
• Integrated amplifiers:
• JVC A-X 1
• JVC A-X 2
• JVC A-X 3
• JVC A-X 4
• JVC A-X 5
• JVC A-X 7
• JVC A-X 9

• tuner
• JVC T-X 5
• JVC T-X 6 L

Pictures

• Extract from brochure: JVC A-X 7

Reports

• Review from Good Old Hifi: [1]