Kenwood KA-7002

Data

General

• Manufacturer: Kenwood
• Model: KA-7002
• Years of manufacture: 1971 - 1973
• Made in: Japan
• Color: Silver, wood side panels
• Type: Amplifier
• Power consumption: 275 W at full output, 15 W without signal
• Dimensions (WxHxD): 408 x 135 x 280 mm
• Weight: 10 Kg
• Original price approx.: 86400 Yen (Japan, 1971), 320 US-$, 1.400 DM

Connections

• Number of inputs:
  • Input sensitivity:
  • Phono 1 MM: 2.5mV, switchable 30 kOhm, 50 kOhm, 310mV max.
  • Phono 2 MM: 2.5mV, 50 kOhm, switchable 0.06mV, 200 Ohm
  • Microphone: 2.5mV, 50 kOhm
  • Tuner: 200mV, 100 kOhm
  • AUX 1,2: 200mV, 100 kOhm
  • Tape Play A, B: 200mV, 100 kOhm
  • Main In: 1 V, 50 kOhm
• Number of Outputs:
  • Outputs:
  • Tape Rec A, B: 200mV
    • DIN: 40mV
    • Dubbing: 200 mV
  • Pre-Out:
  • Headphones:
  • Connectors for 3 pairs of speakers

Technical Data

• Continuous power (at THD)
  • 8 Ohm: 2x55 W (RMS, 20Hz...20Khz, 0.08% THD), 2x 70W (8 Ohm, 1Khz)
  • 4 Ohm: 2x80 W
• Dynamic power
  • 8 Ohm: 170 W IHF

4 Ohm: 196 W IHF

• Total harmonic distortion: 0.5% THD at rated power from 20 - 20,000 Hz
• Attenuation factor: 45 at 8 Ohm
• Frequency response: 20 - 50,000 Hz
• Power bandwidth: 5 - 60,000 Hz
• Signal-to-noise ratio:
  • Phono 1,2: 65dB (MM).
    • Phono 2, 0.06mV: 45 dB
  • Microphone: 67 dB
  • Tuner: 77dB

AUX: 77dB

• • Tape Play: 77dB
• Tone control
  • Bass:
    • Level 1: ± 10 dB at 100Hz
    • Level 2: ± 10 dB at 300Hz

Treble:

• • • Level 1: ± 10 dB at 2Khz
    • Level 2: ± 10 dB at 6Khz

Loudness: + 8 dB at 100 Hz, + 3 dB at 10 kHz

• High Filter: +18dB/oct. at 7kHz
• Low Filter: +18dB/oct. at 80Hz
• Low Filter (Subsonic): +18dB/oct. at 40Hz
• Muting: 0 dB, - 20 dB

Special Features

• Inputs and outputs for 4-channel operation
• Pre- and power amplifier separable
• Mono / Stereo switch
• Zero balance switch
• Mono center channel output

Notes

• Other models in the same series:
  • Kenwood KA-3002:
    • KA-3002
  • Kenwood KA-5002:
    • KA-5002
  • Kenwood KA-7002:
    • KA-7002

• Previous model:
  • Kenwood KA-6000:
    • KA-6000

• Successor model:
  • Kenwood KA-8004:
    • KA-8004

• Corresponding tuners.
  • Kenwood KT-3000 (according to current sources, probably only offered in Japan):
    • KT-3000
  • Kenwood KT-5000
    • KT-5000
  • KT-7000
    • KT-7000
  • Kenwood KT-7001
    • KT-7001

• Kenwood recommended:
  • Kenwood KF-6011 denoiser
    • KF-6011
• Kenwood KF-8011 Denoiser
  • • KF-8011
  • Oscilloscope Kenwood KC-6060 (previous model)
    • KC-6060
  • Oscilloscope Kenwood KC-6060 A
    • KC-6060 A

Pictures

• Image: Kenwood KA-7002

• Picture: Kenwood KA-7002 interior

• Picture: Kenwood KA-7002 back

• Picture: Kenwood combi KA-7002 / KT-7001 extract from brochure

• Picture: Kenwood Combi KA-7002 / KT-7001 / KC-6060 / KF-8011

• Extract from brochure: Trio Kenwood ATC Concept

Reports

• Report from "Hifi Studio": [[1]]

Links

• External link: The Vintage Knob website: [2]

• External link: Audio Heritage, Japan website: [3]