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TABLE OF CONTENTS
Safety Instructions .................................................................................................................. 2
Product Overview ................................................................................................................... 3
Front and Back Panel Features ........................................................................................ 4-6
Typical System Configuraton .............................................................................................. 7
Bridge Mode Operation ........................................................................................................ 8
Using Signal Sensing ............................................................................................................. 9
Technical specifications ......................................................................................................10
Troubleshooting ...................................................................................................................11
Limited Warranty ...................................................................................................................12
Introduction
The Russound D850 and D1650 multichannel digital amplifiers are ideal for
use in adding additional power in distributed audio systems. The D850 provides
8 channels of digital amplification while the D1650 provides 16 channels. The
channels of both models are arranged in pairs to provide amplification for
stereo zones. Both models provide an array of useful features such as bridge
mode operation, global and independent zone triggering, audio sense circuitry
with adjustable delays per zone, a Bus Input and independent line inputs per
zone to meet a wide variety of applications and configurations.
Both models are rated at 50 watts per channel into 8 ohms and 80 watts
per channel into 4 ohms. With the stereo/Bridge Mono switch in the Bridge
position, channels are combined for a higher powered mono output of 160
watts into 8 ohms. The use of advanced digital amplification circuitry results
in a smaller, lighter chassis, with cooler operation than our previous amplifier
models.
Thermal Protection
All Russound amplifiers are designed with special circuitry to safeguard the
amplifier under a thermal overload condition. Thermal protection mode can
only engage when the unit has been run at high volume for extended periods
of time without adequate ventilation and/or when speaker impedances are
below the minimum levels for the amplifier.
Protection Circuitry
All Russound amplifiers are designed with special circuitry to safeguard the
amplifier under a short-circuit condition. A faulty speaker can also cause a
short circuit condition. The Zone LED will blink rapidly between Red and Blue
when the Zone is in short circuit protection.
The amplifier will auto-correct itself when the trouble condition has been
removed. The amplifier will then resume normal operation.
Rack Mounting
Both amplifiers can be rack mounted using the included rack-mount ears and
hardware to attach the ears to the amplifier. The amplifier will take two rack
spaces with the feet removed.
Back
Russound D850, D1650 Installation Manual
PRODUCT OVERVIEW
Front
Side View
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