Kenwood KA-5002

Data

General

• Manufacturer: Kenwood
• Model: KA-5002
• Years of manufacture: 1971 - 1973
• Made in: Japan
• Color: Silver, wood side panels
• Type: Amplifier
• Power consumption: 200 W at full output, 15 W without signal
• Dimensions (WxHxD): 408 x 134 x 280 mm
• Weight: 9 Kg
• Original price approx.: 65000 Yen (Japan, 1971), 220 US-$, 900 DM

Connections

• Number of inputs:
  • Input sensitivity:
  • Phono 1 MM: 2.5mV, switchable 30 kOhm, 80 kOhm.
  • Phono 2 MM/MC: 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: Yes, 6.3 mm jack socket
  • Connectors for 2 speaker pairs (A, B and A+B)

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2x30 W (RMS, 20Hz...20Khz, 0.08% THD), 2x 50W (8 Ohm, 1Khz)
  • 4 Ohm: 2x60 W; 2x 48 W (1Khz)
• Dynamic power
  • 8 Ohm: Total 120 W IHF (= 2x 60 W)
  • 4 Ohm: Total 150 W IHF (= 2x 75 W)
• Total harmonic distortion: 0.5% THD at rated power from 20 - 20,000 Hz
• Attenuation factor: 45 into 8 Ohm, 90 into 16 Ohm
• Frequency response: 20 - 50,000 Hz
• Signal-to-noise ratio:
  • Phono 1,2: 65dB (MM).
    • Phono 2, 0,06mV: 45 dB (MC = position Low = impedance 200 Ohm)
  • Microphone: 67 dB

Aux, Tuner, Tape Play: 77dB

• Tone control

Bass: ± 10 dB at 100Hz treble: ± 10 dB at 10Khz

• Loudness: + 8 dB at 100 Hz, + 3 dB at 10 kHz
• High Filter: +12dB/oct. at 7kHz
• Low Filter: +12dB/oct. at 80Hz

Muting: 0 dB, - 20 dB

Special Features

• Input for Phono MC (at that time there were almost no MC systems!)
• Inputs and outputs for 4-channel operation
• Pre- and power amplifier separable
• Control switch for balance control (zero balance)
• 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-4000:
    • KA-4000

• Successor model:
  • Kenwood KA-6004:
    • KA-6004

• 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

• Picture: Kenwood Combi KA-5002 / KT-5000

• Extract from brochure: Kenwood KA-5002

Reports

• Restoration Kenwood KA-5002 at "Vintage Audio Addict." [1]

Links

• External link: "Audio Heritage, Japan" website: [2]

http://audio.mezei.fr/pages/KenwoodKA5002.html