Marantz PM-78

Commentary

Pre-main amplifier of class A system.

Twin monaural construction is adopted.

It uses a 4-string active volume that is advantageous for S/N in hearing sense.

It is equipped with an active filter type NFB tone control circuit.

There are 2 variations, gold and black.

System remote control is included.

Model Rating

Type	Pre-main amplifier
Input / output terminal	Line input : 4 systems Tape input / output : 2 systems Phono input : 1 system Speaker output : 2 channels Headphone output : 1 system
Rated Output (20 Hz to 20 kHz, Both Channel Operation)	Class A operation : 25W + 25W (8 Ω) When AB class is operating : 190W + 190W (4 Ω) 150W + 150W (6 Ω) 100W + 100W (8 Ω)
Total harmonic distortion factor (8 Ω at 20 Hz to 20 kHz, 10W output)	Class A operation : 0.010% AB Class operating : 0.015%
Frequency Response (Source Direct)	CD : 10 Hz ~ 50 kHz + 0 -1dB
Signal-to-noise ratio	High Level:109dB
Power consumption	160W (Electrical Appliance and Material Control Law)
Maximum external dimensions	Width 439x Height 156x Depth 375 mm
Weight	12.3kg
Attachment	Wireless Remote Control