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

OUR PART #  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.

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)

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

OUR PART #  MA2152

Product Information:

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)
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