Kenwood KA-7 X

Data

General

• Manufacturer: Kenwood
• Model: KA-7 X
• Model range: XL-Series
• Type: Integrated amplifier with Sigma Drive
• Years of manufacture: 1982 - 1984
• Manufactured in: Japan
• Color: Silver
• Remote control: no
• Power consumption: 700 W max.
• Dimensions: 440 x 109 x 340 mm (WxHxD)
• Weight: 9.5 kg
• Original price approx.: 1'000 DM

Connections

• Number of inputs:
  • Phono MM: 2.5 mV / 47 kOhm, max. 200 mV
  • Phono MC: 0.2 mV / 100 Ohm, max. 15 mV

Tuner: 150 mV / 47 kOhm AUX: 150 mV / 47 kOhm

• • Tape Play 1,2 : 150 mV / 47 kOhm
  • Tape Play DIN: 150 mV / 47 kOhm
• Number of outputs:
  • Tape Rec 1, 2: 150 mV / 330 Ohm
  • Tape Rec DIN: 30 mV / 80 kOhm
  • Headphones:
  • 2 pairs of speakers

Technical Data

• Continuous power
  • 8 Ohm: 2x 100 W (RMS, 20 - 20'000 Hz, 0,008 %), 2x 110 W (1 kHz)
  • 4 Ohm: 2x 150 W
• Dynamic power
  • 8 Ohm:
  • 4 Ohm: 560 W
• Total harmonic distortion: 0.008 % at 8 Ohm
• Attenuation factor: 1'000 at 100 Hz
• Frequency response:
  • Phono RIAA: 30 - 20'000 Hz, + 0 dB, - 0,3 dB
  • High level: 8 Hz - 150 KHz, -3 dB
• Signal-to-noise ratio:
  • Phono MM: 86 dB
  • Phono MC: 69 dB
  • High level: 107 dB
• Tone control:
  • Bass: ± 10 dB (100 Hz)
  • Treble: ± 10 dB (10 kHz)
• Loudness: + 10 dB at 100 Hz
• High Filter: -
• Low Filter (Subsonic): - 6 dB / octave at 18 Hz
• Transient response:
  • Rise time: 1.8 us

slew rate: ± 100 V/us

Special Features

• Sigma Drive, speaker connection with 4 cables, see detailed explanation under:
  • [[1]]

Remarks

• Other models in the same series:
• Integrated amplifiers:
• Kenwood KA-5 X
• Kenwood KA-7 X
• Kenwood KA-9 X

• Corresponding Tuner
• Kenwood KT-5 X
• Kenwood KT-7 X
• Kenwood KT-9 X

• [[Corresponding Tape Decks:
• Kenwood KX-5 X
• Kenwood KX-7 X

• Corresponding Turntables:
• Kenwood KD-7 X
• Kenwood KD-9 X

• Corresponding Equalizer:
• Kenwood GE-9X

Pictures

• Picture: Kenwood Combi KA-7 X / KT-9 X

• Extract from brochure: Kenwood XL-Series