Rolls AMA2152 プリント

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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 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 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 directly connected to a 70 volt system without the need
for additional transformers.
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TURES:
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
• Priorit y 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
 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