Precision audio component / pre-main amplifier PMA-790

Denon (Marke / brand)

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  • Year
  • 1984
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 143966

 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) / 110 or 120 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 300 W (480 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Precision audio component / pre-main amplifier PMA-790 - Denon Marke / brand
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 508 x 168 x 451 mm / 20 x 6.6 x 17.8 inch
  • Notes

  • A stereo hi-fi integrated amplifier in a metal case with wooden side panels, with power output of 2 x 150 watts DIN into 8 ohms. RCA inputs for Phono1 (MM or MC), Phono2 (MM or MC), Tuner, DAD and Aux, RCA inputs/outputs for 2 Tape recorders and a DIN socket for a Tape recorder. Terminals for 2 pairs of loudspeakers and a jack for headphones. Two switched and one unswitched AC outlets on the USA/Canada model.

    Specification
    Power Amplifier Section
    Rated Output Power:
        20 Hz to 20 kHz (8 ohm Load THD 0.002% -3 dB)
        150 W + 150 W (DIN, U.K., EUROPE, U.S.A.)
        20 Hz to 20 kHz (4 ohm Load) 240 W + 240 W (U.K., U.S.A.)
        1 kHz (8 ohm Load) 150 W + 150 W (IEC)
    Total Harmonic Distortion:  
        0.002% (20 Hz - 20 kHz at -3 dB rated output 8 ohm Load)
        0.01% (20 Hz - 20 kHz at rated output 8 ohm Load) (U.S.A.)
    Intermodulation Distortion:
        Below 7 kHz / 60 Hz : 1/4 0.0015% (at amplitude output equivalent to rated output)
    Output Band Width: 5 Hz - 80 kHz (IHF THD 0.015%) 8 ohm Load
    Output Terminals: Speaker: A & B Load 4 - 16 ohm,  A + B Load 8 - 16 ohm

    Pre-Amplifier Section
    Maximum Output: 12 V (at 47 k ohm Load)
    Rated Output: 150 mV
                          Total harmonic wave distortion: below 0.001% (at 1 kHz, 10 V output)
    Input Sensitivity/Impedance:
        PHONO-1,2  MM 2.5 mV / 47 k ohm
                           MC High 250µV, Low 125µV / 100 ohm
        LINE           150 mV / 47 k ohm
    RIAA Deviation:
        PHONO-1    MM, MC within ±0.2 dB (20 Hz - 100 kHz)

    Overall Characteristics
    S/N Ratio (IHF A Network):  
        PHONO-1,2  MM 90 dB (input terminals short-circuited for 2.5 mV input)
                           MC 75 dB (input terminals short-circuited for 250 µV input)
        LINE           110 dB (input terminals short-circuited)

    Versions/Power Requirements
    USA, Canada        / 120V AC 60Hz
    France, Germany   / 220V AC 50Hz
    UK                       / 240V AC 50Hz
    Asia                     / 110/120/220/240V AC 50/60Hz with voltage selector

    Non-NFB Direkt-A-Vollverstärker mit 2 x 150 Watt Sinus an 8 Ohm.
    Metallgehäuse mit Edelholz-Seitenpaneelen.

  • Net weight (2.2 lb = 1 kg)
  • 20 kg / 44 lb 0.8 oz (44.053 lb)
  • Source of data
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual model PMA-790 Solid State Pre-Main Amplifier)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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