Rolls MA2152 2 Rack Space Stereo/70v Mixer Amplifier, 200 Watt Mono

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 Microphone One for paging, and on Source Three for a jukebox, telephone, etc. The power output section may be connected to stereo 4, 8, or 16 ohm speakers, or directly connected to a 70 volt system without the need for additional transformers. Several configuration options are possible including full stereo, mono 70V, dual mono 25V, etc..

Key Features

• 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
• FR4 Double-sided epoxy circuit board
• Socketed ICs
• Made in the U.S.A

Technical Specifications

MIXER
Input Impedance
Mic
600 Ohms XLR balanced
Source
22K Ohms RCA
Insert
22K Ohms 1/4” TS unbalanced
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
60dB
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)
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
FR4 Double-sided epoxy circuit board
Socketed ICs