Kenwood KA-9300

Data

General

  • Manufacturer: Kenwood
  • Model: KA-9300 (similar to model 600, but toroidal transformers, front in the design of the series KA-3300...KA-8300, no 220/240V version).
  • Type: Stereo integrated amplifier
  • Years of manufacture: 1975 - 1976
  • Made in: Japan
  • Color: Silver
  • Power consumption: 290 W (Model 600: 790W max., probably due to different measuring method)
  • Dimensions (WxHxD): 440 x 154 x 388 mm
  • Weight: 20,1 kg
  • New price approx.: pure Japan device, not available in Germany

Connections

  • Number of inputs:
    • Input sensitivity:
    • Phone 1 MM: 2.5mV, 30 kOhm, 60 kOhm, 100 kOhm, max. 220mV.
    • Phone 2 MM: 2.5 - 5mV, adjustable, 50 kOhm, max. 220mV
    • Tuner: 150mV, 50 kOhm
    • AUX 1,2: 150mV, 50 kOhm
    • Tape Play A, B: 150mV, 50 kOhm
  • Number of outputs:
    • Line: 150mV, 80 kOhm

DIN: 80mV, 150 kOhm Loudspeaker: Direct, A, B (Model 600: A, B, C) Headphones

Specifications

  • Continuous power (at distortion)
    • 8 Ohm: 2x 130W (RMS, 20 Hz ... 20 kHz, 0.08% THD), 2x 135W (8 Ohm, 1kHz)
    • 4 Ohm: 2x 150W (4 Ohm, 1kHz)
  • dynamic power
    • 8 Ohm:
    • 4 Ohm: 640 W
  • Total harmonic distortion: 0.08% THD at 8 Ohm
  • Attenuation factor: 50 at 8 Ohm
  • Frequency response: 5 Hz - 50 kHz
  • Signal to Noise Ratio:
    • 76dB (MM)

90dB (Line)

  • Tone control
    • Bass:
      • 150Hz : ± 7.5dB at 40Hz
      • 400Hz : ± 7.5dB at 100Hz

Treble:

      • 3KHz : ± 7.5dB at 10KHz
      • 6KHz : ± 7.5dB at 20Khz
  • Loudness (-30dB) : +2 / +4 / +6 / +8dB at 100Hz
  • High Filter: 8Khz, 12dB/octave
  • Low Filter: 40Hz, 12dB/octave
  • Presence :
    • +6dB at 800Hz
    • +6dB at 3KHz

Special features

  • Power attenuator: 0 dB, -15 dB, -30 dB
  • Loudness 4-stage
  • Pre- and power amplifier separable

Notes

Other models of the same series:

Kenwood recommended speakers for this purpose: [[Kenwood Model Seven

Reports

  • Report from Good Old Hifi: [1]