Hitachi HCA-8300

Data[edit]

General

  • Manufacturer: Hitachi
  • Model: HCA-8300
  • Type: Preamplifier
  • Years of manufacture: 1976 - 1979
  • Made in: Japan
  • Color: Black
  • Remote control: no
  • Power consumption: 9.5W (120V~), 11W (220 - 250V~)
  • Dimensions: 435 (W) x 152 (H) x 308 (D) mm
  • Weight: 7 kg
  • Original price approx.: 60,000 Yen (Japan, 1976), 1'000 DM


Connections

  • Number of inputs: 7
    • PHONO 1: 2 mV - 6 mV (50 kOhm)
    • PHONO 2: 2 mV (50 kOhm)
    • TUNER, AUX 1, AUX 2: 100 mV (50 kOhm)
    • TAPE 1, Tape2: 100 mV (50 kOhm)
  • Number of outputs:
    • PRE OUT: 1 V (6000hm)
    • TAPE REC OUT: 100 mV (600 Ohm)
    • TAPE REC OUT (DIN): 40 mV (80 kOhm)
    • PHONES OUT: 70 mV (90 Ohm)


Specifications

  • Frequency response:
    • PHONO 1, PHONO 2 (RIAA): 20-20000 Hz (±0.2 dB).
    • TUNER, AUX 1, AUX 2: 5- 100000 Hz (+0 / -1.5 dB)

Distortion factor:

    • PHONO 1, PHONO 2:
      • Less than 0.005% at REC OUT level 1 V
      • Less than 0.01% at REC OUT level 20 V
    • TUNER, AUX 1, AUX 2:
      • Less than 0.005% at PRE OUT level 1 V
      • Less than 0.01% at PRE OUT level 7 V

Signal-to-noise ratio:

    • PHONO 1, PHONO 2: 75 dB (input level 2 mV)
    • TUNER, AUX 1, AUX 2: 100 dB (input level 100 mV)
    • TAPE 1, TAPE 2: 100 dB (input level 100 mV)
  • Stereo channel separation:
  • Tone control:
    • Bass: ±10 dB (50 Hz, 100 Hz transition at 150 Hz, 300 Hz).

Treble: ±10 dB (10 kHz, 20 kHz transition at 3 kHz, 6 kHz) Loudness: (when volume control is set to -30dB)

    • +8 dB (100 Hz)

+4 dB (10 kHz)

  • High Filter: 8 kHz (6 dB/oct.)
  • Low Filter (Subsonic): 20 Hz (12 dB/oct.)
  • Mute: automatic
  • Direct/Line-Straight: yes, "Tone defeat


Special Features

  • From the Service Manual:
    • ICL equalization circuit for Hi-Fi record playback.
    • RIAA elements with a tolerance of +/-1%.
    • Low distortion and low noise tone control circuitry
    • Tone control for each KAnal with new tone control circuitry

Rumble filter that flawlessly suppresses whine and ultra-low-frequency rumble without degrading sound quality

    • Headphone amplifier circuitry for quick and easy monitoring control
    • New quad volume control with 32 contact tips for accurate volume control and wide noise margin
    • Three independent gain selector switches with addition for extended fine adjustment range
    • Phono 1 level control with fine adjustment
    • Built-in muting circuit with reed relay


Remarks[edit]



Pictures[edit]

  • Image: Hitachi HCA-8300

Hitachi HCA-8300 Preamp Front View.jpg


  • Image: Hitachi HCA-8300

Hitachi HCA-8300 Preamp Rear Top View.jpg


  • Excerpt from brochure: Hitachi HCA-8300, HMA-8300

Hitachi HCA-HMA-8300-Prospekt-1.jpg


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