Rolls AMA2152 Stereo Amplifier User Manual


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MA2152 Mixer / AMA2152 Mixer / A
MA2152 Mixer / AMA2152 Mixer / A
MA2152 Mixer / A
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The MA2152 is a two 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 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 directly connected to a 70 volt system without the need
for additional transformers.
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URES:URES:
URES:URES:
URES:
• Two Microphone inputs with phantom power
• Tone controls for each Mic input
• Three stereo Source inputs
• Bass and Treble controls on Sources One and Two
• Priority ducking on Mic One and Source Three
• Stereo pre-master level Record Output
• Fault protected power amp
• Amp will drive 25 or 70 volt lines directly
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
info@rolls.com • www.rolls.com
MA2152
Mixer / Amplifier
MIC
ONE
MIC
TWO
SOURCE
ONE
SOURCE
TWO
SOURCE
THREE
BASS TREBLE
0 10 0 10
RIGHT OUTPUTLEFT OUTPUT
tone tone
- +- +0 100 100 100 100 100 10
123
RECORD
OUTPUT
MIC
ONE
MIC
TWO
BRIDGE
120 VAC
50 / 60 Hz
WARNING:
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
NO USER SERVICABLE PARTS INSIDE.
MODEL MA2152
MADE IN USA
www.rolls.com
SERIAL NUMBER
2152 -
RISQUE DE CHOC - NE PAS 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
STEREOMONO
SOURCE INPUTS
RIGHT AMP
INSERT
LEFT AMP
INSERT