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Digital Monitoring Amplifier PM-84

Digital Monitoring Amplifier PM-84; Marantz Sound United (ID = 2436334) Ampl/Mixer Digital Monitoring Amplifier PM-84; Marantz Sound United (ID = 2436335) Ampl/Mixer
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Digital Monitoring Amplifier PM-84; Marantz Sound United (ID = 2436334) Ampl/Mixer
Marantz Sound United: Digital Monitoring Amplifier PM-84 [Ampl/Mixer] ID = 2436334 933x500
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For model Digital Monitoring Amplifier PM-84, Marantz (Sound United LLC); Vista, CA: auction item_323827211261 seller pharmafile
Country:  United States of America (USA)
Manufacturer / Brand:  Marantz (Sound United LLC); Vista, CA
Year: 1985 Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Audio-Amplification
Wave bands - without
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 110; 120; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 240 W (280 W max.)
from Model: Digital Monitoring Amplifier PM-84 - Marantz Sound United LLC;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 416 x 146 x 410 mm / 16.4 x 5.7 x 16.1 inch

A high power integrated stereo amplifier with flexible and comprehensive input/output options with a Direct switch which allows direct connection of sources to the power amp via only the volume control. Housed in a champagne gold or black metal case with output power of 120 watts RMS per channel into 8 ohms or 140 watts RMS per channel into 4 ohms. With a jack for headphones, RCA phono sockets for Phono1 (MM or MC), Phono2 (MM), CD, Tuner, Aux,  for input/output Tape1, Tape2, terminals for 2 pairs of loudspeakers.

- Quarter A and AVSS technologies offer high dynamic power coupled with pure Class A sound (up to 25 watts).
- FET phono section for low noise, low distortion and low colouration - gold-plated connectors. (Frequency response to IEC spec.)
- Moving coil input offers two sensitivities.
- Copper-plated chassis reduces distortion from electro-magnetic coupling in metalwork.
- Two tape monitoring circuits with Record Output Selector to listen to one source while recording another.
- Switchable audio muting and subsonic filtering.
- Relay controlled speaker switching between two pairs of speakers - substantial binding posts.

Audio Section 
Power Output Per Channel (20 Hz - 20 kHz) 
 Into 8Ω120W (RMS), 130W (DIN)
 Into 4Ω140W (RMS), 180W (DIN)
THD at RMS 8Ω0.015%
IM Distortion0.015%
Damping Factor 8Ω (1 kHz)90
MM Cartridge Input 
Frequency Response (RIAA)±0.2 dB
Signal-to-Noise Ratio (A weighted)92 dB
Input Impedance47kΩ
Input Sensitivity2.5mV
Equivalent Input Noise0.07µV
MC Cartridge Input 
Input Sensitivity250µV
Input Impedance MC (High MC) 1kΩ (MC) 100Ω
Signal-to-Noise Ratio (A weighted)80 dB
AUX. Input 
Input Impedance25 kΩ
Input Sensitivity150 mV
Frequency Response (Direct Position)5Hz-45kHz ±1 dB
Signal-to-Noise Ratio98dB (A weighted)
Output Voltage 
Tape Out  (PHONO (MM) 7.75 mV 1kHz Input520mV
Output Impedance 
Tape Out  (PHONO) 490Ω

Versions/Power Requirements
USA (U) , Australia (A), Europe (N), PX (P)  / 110/120/220/240V AC 50/60 Hz                                                      with voltage selector

Power consumption:  500 watts

Produced in Japan.

Net weight (2.2 lb = 1 kg) 18 kg / 39 lb 10.4 oz (39.648 lb)
Mentioned in - - Manufacturers Literature (1985-86 Marantz Hi-Fi catalogue)
Literature/Schematics (1) - - Manufacturers Literature (Service Manual PM-84 Stereo Pre Main Amplifier)

Model page created by Howard Craven. See "Data change" for further contributors.

All listed radios etc. from Marantz (Sound United LLC); Vista, CA
Here you find 538 models, 529 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.