Rolls MA1705 70V Mixer/Amplifier - 70 Watts - Single Rack Space


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Dale #:ROLL-MA1705

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  • The MA1705 is a single rack space mixer amplifier designed for installation applications. 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 amplifier provides 70 Watts of power when connected to a 70 volt speaker system. IMPORTANT NOTICES: THE FRONT PANEL ACTS AS THE HEAT SINK FOR THIS UNIT AND MAY GET HOT UNDER A HEAVY LOAD.


    • Two Microphone inputs with phantom power
    • Tone controls for each Mic input
    • Three stereo Source inputs (mixed to mono).
    • 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.
    • Balanced 70 volt line output.
    • Spring-loaded output terminals
    • Clip indication
    • FR4 Double-sided epoxy circuit board
    • Socketed ICs
    • Made in the U.S.A.
    Input ImpedanceMic: 600 Ohms XLR balanced
    Source22K Ohms RCA
    Insert22K Ohms 1/4" TS unbal
    Max Input LevelMic: -14 dBV Mic level Max
    Source24 dBV
    Insert24 dBV
    6Stereo RCA
    11/4” TS
    Phantom Power+12 VDC
    Max Gain
    Mic60 dBV
    Source26 dBV
    Tone Controls+/-12 dB 100 Hz Bass
    +/-12 dB 11kHz Treble
    Noise Floor- 80 dBV
    S/N Ratio96 dBV
    Priority Attenuation60 dBV
    Recommended Load70 Volt line (70 Watts maximum)
    Frequency Response60Hz to 20 kHz
    Size (W x H x D)19" x 1.75" x 5" (48 x 4.5 x 12.7)
    Weight5.5 lbs (2.5 kg)
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