ROLLS MA2152 Stereo-70V Mixer Amplifier 100W-Ch or 200W Mono
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. 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. 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: 60dB. 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. POWER AMP:. 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: 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).