Rolls MA2355 Single Rack Stereo Mixer Amplifier
The MA2355 is a single rack space mixer amplifier designedfor small installation applications. The unit provides a compact and efficientway to mix up to three sources such as AM/FM tuners, CD players, and videoplayers with up to two microphones. Priority talkover is provided on MicrophoneOne for paging, and on Source Three for a jukebox, telephone, etc. The poweramplifier provides 35 Watts of power connected to 8 ohm speakers. IMPORTANTNOTICES: THE FRONT PANEL ACTS AS THE HEAT SINK FOR THIS UNIT AND MAY GET HOTUNDER A HEAVY LOAD.
Key Features
- Two Microphone inputs with phantom power
- Tone controls for each Mic input
- Three stereo Source inputs
- Direct access to the power amp section
- Bass and Treble controls on Sources Two and Three
- Priority ducking on Mic Two and Source One
- Dual pre-master level Record Output
- Fault protected power amp
- Spring-loaded output terminals
- Clip indication
- 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
60 dB
Source
26 dB
Tone Controls
+/-12 dB 100 Hz Bass, +/-12 dB 11kHz Treble
Noise Floor
– 80 dB
S/N Ratio
96 dB
Priority Attenuation
60 dB
POWER AMP
35W/ch 4ohm 30W/ch 8ohm
20% Full/Low pwr
4 Ohms / Channel
Frequency Response
20Hz to 20 kHz
Size
(W x H x D): 19” x 1.75” x 5”, (48 x 4.5 x 12.7)
Weight
5.5 lbs (2.5 kg)
