Rolls MA2152
70V, 100W per Channel Mixer/Amplifier

MA2152

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 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.

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.

Mixer Specifications:

• 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

Amplifier Specifications:

• 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)

Our Part #  MA2152