Hitachi HCA-7500 II

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Data

General

  • Manufacturer: Hitachi
  • Model: HCA-7500 II
  • Type: Preamplifier
  • Years of manufacture: 1980 - 1983
  • Made in: Japan
  • Color: Black, Silver, Titanium
  • Remote control: No
  • Power consumption: 8 watts
  • Dimensions: 435 x 83 x 292 mm (WxHxD)
  • Weight: 4.5 kg
  • Original price approx.: 798 DM


Connections

  • Number of inputs: 4
  • PHONO MM: 25 mV (22, 47, 100 kOhm)
  • PHONO MC : 0,1 - 2,5 mV (100 kOhm)
  • TUNER, AUX : 150 mV (47 kOhm)
  • TAPE : 150 mV (47 kOhm)
  • Number of outputs: 3
  • PRE OUT : 1 V (600 Ohm)
  • TAPE REC OUT: 150 mV (600 Ohm)
  • PHONES OUT: 70 mV (90 Ohm)


Specifications

  • Frequency response:
    • PHONO (RIAA): 20-20000 Hz (±0.2 dB).
    • TUNER, AUX : 5- 100000 Hz (+0 / -1.5 dB)
  • Distortion factor:
    • PHONO: < 0.005% at REC OUT level 5 V.

TUNER, AUX: < 0.005% at PRE OUT level 5 V

  • Signal-to-noise ratio:
    • PHONO MM: 91 dB

PHONO MC: 75 dB TUNER, AUX : 104 dB

    • TAPE : 104 dB
  • Tone control:
    • Bass: ±8 dB (150 Hz, 100 Hz transition at 150 Hz, 300 Hz).

Treble: ±18 dB (10 kHz, 20 kHz transition at 3 kHz, 6 kHz)

  • Loudness: (when volume control is set to -30dB)
    • +8 dB (150 Hz)
    • +8 dB (10 kHz)
  • Subsonic Filter: 15 Hz (6 dB/oct.)
  • Mute: - 20 dB


Special Features

  • Record selector switch
  • Mono/stereo switch
  • Phono MM & MC


Remarks






Pictures

  • Extract from brochure: Hitachi HCA-7500 MKII

Hitachi HCA-7500 MK II-Prospekt-1.jpg


Hitachi 1981.jpg


Reports

  • Report from "Good Old Hifi": [[1]]


Links