Rolls AMA2152 - Manual

MA2152 Mixer / A

MA2152 Mixer / A

MA2152 Mixer / A

MA2152 Mixer / A

MA2152 Mixer / Am

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The MA2152 is a t wo rack space mixer amplif ier designed for rest aurants, schools, churches, clubs
etc. The unit provides a compact and efficient way to mix up to t hree sources such as AM/FM t uners,
CD players, and video players wit h up to t wo microphones. Priorit y talkover is provided on Micro-

phone One for paging, and on Source Three for a jukebox, telephone,
etc. The power output section may be connected to 4, 8, or 16 ohm
speakers, or direct ly connected to a 70 volt system wit hout t he need
for additional t ransformers.

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T URES:

URES:

URES:

URES:

URES:

• Two Microphone inputs wit h phantom power
• Tone cont rols for each Mic input
• Three stereo Source inputs
• Bass and Treble cont rols on Sources One and Two
• Priorit y duck ing on Mic One and Source Three
• Stereo pre-master level Record Output
• Fault protected power amp
• Amp will drive 25 or 70 volt lines direct ly

SPECIFICATIONS
MIXER
Input Impedance:

Mic:

600 Ohms XLR balanced

Source: 22K Ohms RCA
Insert: 22K Ohms 1/4" TS unbal.

Max Input Level:

Mic:

-14 dBV Mic level Max

Source: 24 dBV
Insert: + 20 dB

Connectors:

2: XLR, 6: Stereo RCA, 3: 1/4" TRS,

1: 1/4” TS
Phantom Power:

+12 VDC

Max Gain:

Mic:

60 dB

Source: 26 dB

Tone Controls:

+/-12 dB 100 Hz Bass
+/-12 dB 11kHz Treble

Nose Floor:

- 80 dB

S/N Ratio:

96 dB

Priority Attenuation:

60 dB

POWER AMP
Power Output, Stereo: 100 Watts RMS/ch. 4 Ohms

70 Watts RMS/ch. 8 Ohms
Bridged - 200 Watts RMS
8 Ohms/70V

Output Matching:

4, 8, 16 Ohms, 25V Stereo, 70V Mono

THD:

<.08% (1kHz @ 1 Watt)

Outputs;

RCA Record Out, 5-Way binding post
Power Amp outs

Power Bandwidth:

60 Hz - 30 kHz +/- 1dB

Damping Factor:

> 150

Slew Rate:

100 Volts/microSecond

Phase Shift:

<10 Deg., 20Hz - 20kHz

Power:

120 VAC 60Hz 2.5A
230 VAC 50Hz

Size:

19” x 3.5” x 7.5”(48 x 9 x 19 cm)

Weight:

12 lbs (5.5 kg)

ROLLS Coporation
5968 South 350 West, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
[email protected] • www.rolls.com

MA2152

Mix

er / Amplifier

MIC

ONE

MIC

TW

O

SOURCE

ONE

SOURCE

TW

O

SOURCE

THREE

BA

S

S

TREBLE

0 10

0 10

RIGHT OUTPUT

LEFT OUTPUT

tone

tone

- +

- +

0 10

0 100 10

0 10

0 10

0 10

1

2

3

RECORD

OUTPUT

MIC

ONE

MIC

TWO

BRIDGE

120 VAC

50 / 60 Hz

W

A

RNING:

DO NO

T EXPOSE

THIS EQ

UIPMENT

T

O

RAIN OR MOISTURE

NO USER SER

VICABLE P

A

R

TS INSIDE.

MODEL MA2152

MADE IN USA

www

.r

olls.com

SERIAL NUMBER

2152 -

RISQ

UE DE CHOC - NE P

AS ENLEVER

BRIDGE

MONO

STEREO

DUAL MONO

RIGHT

OUTPUT

LEFT

OUTPUT

BRIDGE

OUTPUT

70 VOLT

4 - 8 Ohm /

25 Volt

4 - 8 Ohm /

25 Volt

SOURCE 3

STEREO
MIC 1

◗

PHAN POWER

◗

SOURCE 3 MONO

◗

PRIORITY

ON / OFF

on

STEREO

MONO

SOURCE INPUTS

RIGHT AMP

INSER

T

LEFT AMP

INSER

T