Rotel RA 610 OM

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SOLID STATE STEREO AMPLIFIER

OPERATING MANUAL

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INTRODUGTION

We would like to take this opportunity to thank you for purchasing
our ROTEL RA-610 STEREO PRE-MAIN AMPLlFIER. In RA-610 you have
the finest equipment available in the Hi-Fi components field. With the
quality workmanship that goes into making the RA~610, you can be

assured of its flawless performance for many years to come.

The RA-610 is equipped with every conceivable control and feature
any demanding audiophile ever hopes of having on his unit. The RA-610
was designed for both the versatility and ease of operation.

It will

add professional studio flexibility to your present music center.

The performance of RA-610 is exceptional; it will allow you to
experience true high fidelity as never before Its full and natural stereo-
phonic reproduction offers you musical entertainment rivaling that of
live performances. We sincerely hope you will treasure this professional

equipment.

in order to obtain the maximum use out of your unit, please read

all of the following pages of this Operation Manual carefully

Do not attempt to operate the unit until you have made all the con-

nections as specified in this Manual.

SPEGIAL FEATURES

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Direct Coupling Output Circuit eliminates the need for an output
capacitor, thereby, permitting better frequency response at lower
IM distortion.

Differential Amplifier provides higher stability and lower distortion.

Split Power Supplies for left and right channels decrease frequency
damping factor and overall distortion.

Tone Defeat switch offers absolute flat response.
720 dB Muting switch provides instantaneous q'uietness.
Tape Monitor switch for tape playback and recording.

Dual Slide Tone Controls for Bass and Treble offer easy and ac-
curate tone adjustment.

T-ligh and Low Filter switches, - 9 dB cutoff, for eliminating rumble
and scratch noises.

Loudness switch for boosting extreme low frequencies during low
volume operation.

Two pairs ofm agnetic input jacks for two sets of record players

with different input impedances.

Pre-amplifier Outputs for use with separate power amplifier or

multi-channel system.

Main»amp|ifier Inputs for use with separate control amplifier or

tape recorder.
Front Panel Stereo Headphone Jack for easy use.

Two Speaker Selector switches for individual or simultaneous

operation of two speaker systems.

Handsome Wood Cabinet.