Rolls MA2355 User Manual

USER GUIDE

ROLLS CORPORATION

4/07

Source:

RCA

Insert: 22K Ohms 1/4” TS unbal.

Source: 24 dBV

Insert: 24 dBV

1: 1/8” (3.5mm)

Source: 26 dBV

Tone Controls: +/-12 dB 100 Hz Bass

+/-12 dB 11kHz Treble

Pre Out: -90 dBV

THD + Noise: -82 dBV

THD + Noise: .06% typical - 82 dBV

Weight: 5.5 lbs (2.5 kg)

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1

Thank your for your purchase of the Rolls MA2355 Mixer / Amplifier. The MA2355 is a

single rack space mixer amplifier designed for restaurants, schools, churches, clubs etc.

The unit provides a compact and efficient way to mix up to three sources such as AM/FM

tuners, CD players, and video players with up to two microphones. Priority talkover is pro-

vided on Microphone Two for paging, and on Source One for a jukebox, telephone, etc.

claim. We suggest saving the shipping carton and packing materials for safely transporting

the unit in the future.

2. For warranty information, and to register your MA2355 warranty, please visit our web-

site at

www.rolls.com

and click on the Register Your Warranty Here button

Treble

TONE 1, 2

TONE 1, 2

the control is turned counter-clockwise, the high frequencies are cut, when the control is

turned clockwise, the low frequencies are cut.

condenser microphones.

such as AM/FM tuners, cassette players, cd players, or a jukebox.

control.

source signals such as CD players, cassette players or video players to the RCA Source

signals, connect it to Source input 1.

Amp Insert

Amp Insert

To connect a signal processor to the

or cable wired as shown in Fig. 1.

This return signal is then sent to the

output level section of the amplifier.

To Amp Insert

corresponding PHANTOM POWER switch to the up position. This ap-

and Sources 2 and 3 will be “ducked” or muted when a signal is pres-

This function is used for paging.

“ducked” or muted by the signals at Source 1.

This function is for jukebox priority. With a jukebox connected to Source input 1, and the

Talkover switch 2 on, the other Source input signals such as background music, will be

The fault protection in the MA2355 limits the current to the output stage. This mode is en-

tered whenever the output stage is called upon for too much power, it may also be fooled

THE FRONT PANEL OF THE MA2355 IS THE HEAT DISTRIBUTION FOR THE OUT-

SOURCE 1

MIC 2

on

PHANTOM

POWER

PRIORITY ◗

2 1

not used

not used