MA2152 Mixer / Amplifier
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.
FEATURES:
• Two Microphone inputs with phantom power
• Tone controls for each Mic input
• Three stereo Source inputs
S T E R E O
/mAplfier
M I C 1
S O U R C E 3
S T E R E O
M O N O
• 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
Mxi
• 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:
1: 1/4” TS
2: XLR, 6: Stereo RCA, 3: 1/4" TRS,
Phantom Power:
Max Gain:
+12 VDC
Mic:
60 dB
Source: 26 dB
+/-12 dB 100 Hz Bass
+/-12 dB 11kHz Treble
- 80 dB
Tone Controls:
Nose Floor:
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:
THD:
Outputs;
4, 8, 16 Ohms, 25V Stereo, 70V Mono
<.08% (1kHz @ 1 Watt)
RCA Record Out, 5-Way binding post
Power Amp outs
Power Bandwidth:
Damping Factor:
Slew Rate:
60 Hz - 30 kHz +/- 1dB
> 150
100Volts/microSecond
<10 Deg., 20Hz - 20kHz
ASNLVER
Phase Shift:
UDHOC-NEP
RSIQ
Power:
120 VAC 60Hz 2.5A
230 VAC 50Hz
Size:
Weight:
19” x 3.5” x 7.5”(48 x 9 x 19 cm)
12 lbs (5.5 kg)
ROLLS Coporation
5968 South 350 West, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
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