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1. INTRODUCTION
Thank you for purchasing the Marantz MM9360 or MM9340
power amplifier for your sound system. Please take a few
minutes to read this manual thoroughly, before you attempt
connections and operations.The illustrations used in this
manual refer to the six channel MM9360, but the MM9340
operates in the same manner, only with four channels and
more power per channel.
This Marantz appliance is a Multi channel power amplifier,
that is designed for home theatre and high quality audio
systems.
2. FEATURES
The MM9360 is a six channel power amplifier, and the
MM9340 is a four channel power amplifier developed for
use in hi-fi AV systems.
- It is a high-power amplifier with efficient MOSFET high-
speed switching output stages, controlled by internal mi-
croprocessor and DSP algorithms. Rated outputs per
channel are 150W / 8 ohms for the MM9360 and 275W / 8
ohms for the MM9340.
- It is provided with the MARANTZ RC-5 remote control
capability so its power can be controlled from a MARANTZ
preamplifier or surround receiver (MARANTZ remote con-
trol compatible products).
- The power amplifier is equipped with LED indicators for
signal present, peak power, thermal status, and protect
mode for each channel.
- The power amplifier will accept RCA, 1/4" jack, or XLR
input connectors.
3. NAMES AND FUNCTIONS
1. SIGNAL indicator
The signal present LEDs illuminate at an input level of about
13mVrms (-35.5dBu).
2. PEAK indicator
The clipping LEDs illuminate at an input level of about
870mVrms (+1.0dBu), with all channels driven by 1KHz into
8Ω. This indicates that the signal processing circuitry has
determined output levels to be approaching the available
power supply rails and has begun to “soften” signal peaks.
Actual onset of “hard” clipping depends on audio program
and total load impedance and does not occur until the sig-
nal processing circuitry can no longer compensate, which
means that signal integrity can be maintained even if the
clipping indicators illuminate for short periods of time.
3. THERMAL indicator
The thermal LEDs illuminate when the temperature of any
one of the heat sink extrusions reaches 85 to 90°C. Both
channels of the affected amplifier module will shut off until
the measured temperature drops below about 70°C. The
amplifier should be able to maintain proper operation at
an ambient room temperature of 50°C (122°F) or less with
typical audio program and all channels driven into 4Ω.
6CH POWER AMPLIFIER MM9360
PROTECT
THERMAL
PEAK
SIGNAL
CHANNEL
1
CHANNEL
2
CHANNEL
3
CHANNEL
4
CHANNEL
5
CHANNEL
6
POWER
POWER
OFF ON
1 2 3 4
5 6