Stereo Power Amplifier HMA 7500

Hitachi Ltd.; Tokyo

  • Year
  • 1978
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 248345
    • alternative name: Hitachi Sales Corp. of America

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 220-240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 150 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Power Amplifier HMA 7500 - Hitachi Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 480 x 165 x 355 mm / 18.9 x 6.5 x 14 inch
  • Notes
  • Stereo Power Amplifier HMA 7500.

    Dauer RMS-Leistung                           75 W + 75 W (8 Ohm, 20 Hz - 20 kHz)
                                                                     0,02 % Gesamtklirrfaktor
    Klirrfaktor (Nennleistung)                   < 0,02 %
    Klirrfaktor (1/2 Nennleistung)            < 0,002 %
    Klirrfaktor (1 W)                                     < 0,02 %
    Leistungsbandbreite (IHF, 1/2 Nennleist.)      5 Hz - 100 kHz (8 Ohm, THD 0,05 %)
    Frequenzgang (1 W)                            DC - 200 kHz / +0/-1 dB (Direktkopplung)
                                                                     6 Hz - 200 kHz / +0/-1 dB (kapaz. Kopplung)
    Eingangsempfindlichkeit                    1 V (50 kOhm)
    Dämpfungsfaktor (1/2 Nennl.)           60 (20 Hz - 20 kHz), 8 Ohm)
    Kanaltrennung                                      100 dB (1 kHz, 8 Ohm, Eingang kurzgeschl.)
    Geräuschspannungsabstand (IHF, A-Netz)   120 dB
    Lautsprecherimpedanz                       4 - 16 Ohm
    Netzspannung                                       120 V, 220-240 V~ 50/60 Hz
    Leistungsaufnahme                             350 W oder 400 VA (120 V~)
                                                                      500 W (220 V - 240 V~)

    Kombination mit dem Stereo Control Amplifier HCA 7500.

  • Net weight (2.2 lb = 1 kg)
  • 15.8 kg / 34 lb 12.8 oz (34.802 lb)
  • Mentioned in
  • -- Original-techn. papers.

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