Rolls MA2152 2-Channel Mixer Amplifier, 100W per Channel, 70V, 2 Rack Units

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.

Rolls MA2152 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.

Rolls MA2152 Specifications:

• 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 VDz
  • 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 d
• 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)