Kenwood KA-1000

Data

General

• Manufacturer: Kenwood
• Model: KA-1000
• Type: Integrated amplifier
• Years of manufacture: 1981 - 1982
• Made in: Japan
• Color: Silver
• Remote control: No
• Power consumption: 800 watts (at full output)
• Dimensions:
  • Amplifier (WxHxD): 440 x 123 x 383 mm.
  • Power supply (WxHxD): 140 x 123 x 358 mm
• Weight:
  • Amplifier: 6.4 kg
  • power supply: 8 kg
• New price approx.: 1500 DM ( 1981 )

Connections

• Number of inputs:
  • Input sensitivity:
  • Phono 1, 2 MM: 2.5mV, 33 kOhm, 47 kOhm, 100 kOhm switchable.
  • Phono 1, 2 MC: 0.2mV, 100 Ohm

Tuner: 150mV, 47 kOhm

• • AUX: 150mV, 47 kOhm
  • Tape Play A, B: 150mV, 47 kOhm
  • Tape DIN:
• Number of outputs:
  • Outputs:
  • Tape Rec:
  • Tape DIN:
  • Headphones
  • 2 pairs of speakers

Technical Data

• Continuous power:
  • 8 Ohm: left 125 W right 120 W ( laboratory values ) at 0.1% distortion factor.

4 Ohm: left 127 W right 110 W ( laboratory values ) at 0,1% distortion factor

• Dynamic power:
  • 8 Ohm:
  • 4 Ohm: 320 W
• total harmonic distortion: 0,008 %
• Damping factor: 600 at the end of the Sigma-Drive cable
• Frequency response: DC-400 khz
• Signal to noise ratio: 105 dB
• Stereo channel separation: stereo power amplifier in mono block design.
• Tone control:
  • Bass: + - 10 db ( Turnover 200 / 400 Hz )

Treble: + - 10 db ( Turnover 3 / 6 Khz )

• Loudness: +10dB / 100Hz ( very bad loudness )
• High Filter: no
• Low Filter(Subsonic): Yes ( useless because it cuts the audible frequencies )
• Mute: yes
• Direct/Line-Straight: yes

Special Features

• Sigma Drive System
• Separate power supply
• High-performance amplifier sounds at last as good as 7000 - 8000 DM expensive devices, remains at the end not quite so cleanly
• First amplifier with Sigma Drive
• Audio Purist line

Remarks

• Other models in the same series:
• Amplifier:
• Kenwood KA-800
• Kenwood KA-900
• Kenwood KA-1000

• [[Tuner
• Kenwood KT-800
• Kenwood KT-900
• Kenwood KT-1000

Pictures

• Extract from brochure: Kenwood KA-1000

• Extract from brochure: Kenwood KA-1000

Brochures

• Kenwood KA 800 900 1000 Brochure

Reports

• Review on website "Hifi Classic Net": [1]

• Report on website "Hifi Classic Net": [2]

Links

• External website "The Vintage Knob": [3]

• External website "Audio Heritage, Japan": [4]