Kenwood KA-4004

Data

General

• Manufacturer: Kenwood
• Model: KA-4004
• Type: Integrated amplifier
• Years of manufacture: 1972 - 1976
• Made in: Japan
• Color: Silver, wood side panels
• Type: Amplifier
• Power consumption:
• Dimensions (WxHxD): 435 x 153 x 300 mm
• Weight: 9,3 Kg
• Original price approx.: 49800 Yen (Japan, 1972), 950 DM

Connections

• Number of inputs:
  • Input sensitivity:
  • Phono 1 MM: 2.5mV, 50 kOhm, 200 mV max.
  • Phono 2 MM: 2.5mV, 50 kOhm, max. 200 mV
  • Microphone: 1.3mV, 10 kOhm
  • Tuner: 160mV, 30 kOhm
  • AUX 1, 2: 160mV, 30 kOhm
  • Tape Play A, B: 160mV, 30 kOhm
  • Main In: 1 V, 50 kOhm
• Number of Outputs:
  • Outputs:
  • Tape Rec: 160mV, 50 Ohm

DIN: 40mV, 50 Ohm

• • Pre-Out: 1 V, 100 Ohm
  • Headphones: 4 - 16 Ohm
  • Connections for 2 pairs of speakers

Technical Data

• Continuous power (at distortion)
  • 8 Ohm: 2x18W (RMS, 20Hz...20Khz, 0.08% THD), 2x 25W (8 Ohm, 1Khz)
  • 4 Ohm: 2x36W
• dynamic power
  • 8 Ohm: 56 W
  • 4 Ohm: 95 W
• Total harmonic distortion: 0.5% THD at 8 Ohm
• Attenuation factor: 32 at 8 Ohm
• Frequency response: 20 - 50000 Hz, - 2dB
• Power bandwidth: 10 - 50000 Hz
• Signal to noise ratio: 110 dB
  • Phono 1,2: 65 dB
  • Microphone: 67 dB
  • Tuner: 75 dB
  • AUX 1, 2: 75 dB
  • Tape Play A, B: 75 dB
• Tone control
  • Bass: ± 10dB at 100Hz

Treble: ± 10dB at 10Khz

• Loudness: +8dB at 100Hz, +3dB at 10kHz
• High Filter: +6dB/oct. at 7kHz
• Low Filter: +12dB/oct. at 80Hz
• Muting: 0 dB, - 20 dB

Special Features

• Pre- and power amplifier separable
• Tone control linear switch

Remarks

• Other models in the same series:
  • Kenwood KA-3004
  • Kenwood KA-4004
  • Kenwood KA-6004
  • Kenwood KA-8004

• • [[Kenwood KT-4005 Corresponding Tuner
  • Kenwood KT-4005

Pictures

• Picture: Kenwood KA-4004

Reviews

• Review by "Hifi Studio": [[1]]

Links

• External link: Hifi Archive website: [2]]

• External link: [] * Website "Hifi Archive": [3]]

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