Difference between revisions of "Denon PMA-770"
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Form Integrated Amplifier
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__NOTOC__
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<Power amplifier part>
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== Data ==
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Circuit system Unreturned [ of 0dB ] power amplifier system
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{{navigation}}
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Output power
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'''General'''
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(both channel drive, a sine wave continuation output, 20Hz - 20kHz) 140W+140W (4ohms)
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* Manufacturer: [[Denon]]
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100W+100W (8ohms)
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* Model: PMA-770
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Input sensitivity/impedance 150mV/47kohm
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* Type: Integrated amplifier
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THD (20Hz - 20kHz, Output-power-3dB o'clock) 0.005% or less
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* Years of manufacture: 1982 - 1983
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Cross modulation distortion
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* Made in: Japan
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(at the time of a 60Hz:7kHz=4:1 and Output-power equivalent amplitude output) 0.002% or less
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* Color: Silver
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Output bandwidth (IHF, both ch(es) drive, THD 0.035%) 5Hz - 100kHz
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* Remote control: No
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Frequency response (at the time of 1W output) 1Hz-250kHz+0 -3 dB
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* Power consumption: 400 watts (IEC), 800 watts max.
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Output load impedance (1kHz) 0.08ohm
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* Dimensions: 434 x 132 x 407 mm (W x H x D)
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Output terminal Speaker AorB: 4ohms - 16ohms
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* Weight: 12 kg
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Speaker A+B: 8ohm-16ohm
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* Original price approx.: 1'800 DM (UVP)
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Headphone: 390mW/eight ohms
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<Preamplifier part (Input sensitivity/impedance is removed and it is Phono in ->Rec out)>
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Circuit system The super equalizer system by a direct direct-current servo
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'''Connections'''
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Input sensitivity/impedance Phono MM: 2.5mV/47kohm
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* Number of inputs:
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Phono MC: 0.125mV/100 ohms
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** 2x Phono MM/MC 2.5 mV/47 kOhm; 125µV/100 Ohm.
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Tuner, Aux, Tape:150mV/47kohm
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** Tuner, Aux, 2x Tape 150 mV/47 kOhm
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The maximum except take-off/Output power 10V/150mV
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* Number of outputs:
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RIAA deflection (MC/MM) 20Hz-100kHz±0.2dB
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** 2x Rec-Out
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THD 0.002% or less (at the time of 1kHz and 8V output)
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** 2x loudspeaker
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<Synthesis>
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** headphones
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Signal to noise ratio (IHF-A, input short circuit) Phono MM:90dB
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Phono MC:73dB
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Tuner, Aux, Tape: 110dB (at the time of a 150mV input)
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'''Technical Data'''
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Tone control Bass: ±8dB (100Hz)
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* Continuous power (at distortion factor)
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Treble: ±8dB (10kHz)
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** 8 Ohm: 2 x 100 Watt
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Subsonic Filter 18Hz, 6 dB/oct
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** 4 Ohm:
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Loudness characteristic Low-pass: +7dB (100Hz)
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* Dynamic power
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High region: +6dB (10kHz)
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** 8 Ohm:
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Power source AC100V, 50Hz/60Hz
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** 4 Ohm:
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Power consumption (Electrical Appliance and Material Control Law) 290W
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* Total harmonic distortion: 0.008%
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Dimensions Width 434x height 132x depth of 407mm
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* Attenuation factor:
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Weight 12kg
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* Frequency response: 1 - 250,000 Hz (+0/-3 dB).
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* Signal-to-noise ratio: 90 dB (phono MM), 73 dB (phono MC), 110 dB (high level)
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* Stereo channel separation:
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* Tone control:
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** Bass: &plusmn; 8 dB at 100 Hz
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Treble: &plusmn; 8 dB at 10 kHz
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* Loudness: Switchable
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* High Filter: No
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* Low Filter (Subsonic): Switchable 6 dB/18 Hz
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* Mute: No
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* Direct/Line-Straight: Yes
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'''Special Features'''
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* Record selector switch
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* Mono switch
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== Remarks ==
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* Other models in the same series:
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* [[Denon PMA-710|PMA-710]]
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* [[Denon PMA-730|PMA-730]]
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* [[Denon PMA-750|PMA-750]]
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* [[Denon PMA-770|PMA-770]]
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== Pictures ==
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[[File:Pma770.jpg]]
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[[File:Denon PMA-770.jpg]]
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* Denon PMA-770 (from Audio 8/1983)
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[[File:Denon PMA-770 01.jpg|1000px]]
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== Reports ==
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* Review in Stereoplay 10/1983: [[https://wegavision.pytalhost.com/Luxman/L410t/01.jpg]]
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== Links ==
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[[Category:Integrated amplifier]]

Latest revision as of 13:30, 11 April 2021

Data[edit]

General

  • Manufacturer: Denon
  • Model: PMA-770
  • Type: Integrated amplifier
  • Years of manufacture: 1982 - 1983
  • Made in: Japan
  • Color: Silver
  • Remote control: No
  • Power consumption: 400 watts (IEC), 800 watts max.
  • Dimensions: 434 x 132 x 407 mm (W x H x D)
  • Weight: 12 kg
  • Original price approx.: 1'800 DM (UVP)


Connections

  • Number of inputs:
    • 2x Phono MM/MC 2.5 mV/47 kOhm; 125µV/100 Ohm.
    • Tuner, Aux, 2x Tape 150 mV/47 kOhm
  • Number of outputs:
    • 2x Rec-Out
    • 2x loudspeaker
    • headphones


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2 x 100 Watt
    • 4 Ohm:
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.008%
  • Attenuation factor:
  • Frequency response: 1 - 250,000 Hz (+0/-3 dB).
  • Signal-to-noise ratio: 90 dB (phono MM), 73 dB (phono MC), 110 dB (high level)
  • Stereo channel separation:
  • Tone control:
    • Bass: ± 8 dB at 100 Hz

Treble: ± 8 dB at 10 kHz

  • Loudness: Switchable
  • High Filter: No
  • Low Filter (Subsonic): Switchable 6 dB/18 Hz
  • Mute: No
  • Direct/Line-Straight: Yes


Special Features

  • Record selector switch
  • Mono switch

Remarks[edit]


Pictures[edit]

Pma770.jpg

Denon PMA-770.jpg

  • Denon PMA-770 (from Audio 8/1983)

Denon PMA-770 01.jpg

Reports[edit]

  • Review in Stereoplay 10/1983: [[1]]


Links[edit]

Retrieved from "https://hifi-wiki.com/index.php?title=Denon_PMA-770&oldid=276993"