User manual ROLLS MA2355

[. . . ] In the absence of such purchase receipt, the warranty period shall be one (1) year from the date of manufacture. This warranty shall be invalid if the product is damaged as a result of defacement, misuse, abuse, neglect, accident, destruction or alteration of the serial number, improper electrical voltages or currents, repair, alteration or maintenance by any person or party other than our own service facility or an authorized Service Center, or any use violative of instructions furnished by us. This one-year warranty is in lieu of all expressed warranties, obligations or liabilities. [. . . ] We suggest saving the shipping carton and packing materials for safely transporting the unit in the future. Please visit our website at www. rolls. com and click on the Register Your Warranty Here button, or complete the Warranty Registration Card and return it to the factory. SCHEMATIC TABLE OF CONTENTS Introduction Inspection Table of Contents Description Connection Operation Specifications Schematic Warranty 1 1 1 2 3 4 5 6 Back Cover 1 6 SPECIFICATIONS MIXER Input Impedance: FRONT PANEL Mic: 600 Ohms XLR balanced Source: 22K Ohms RCA Insert: 22K Ohms 1/4" TS unbal. Mic: -14 dBV Mic level Max Source: 24 dBV Insert: 24 dBV 2: XLR, 6: Stereo RCA, 3: 1/4" TRS, 1: 1/4" TS +12 VDC Mic: 60 dBV Source: 26 dBV +/-12 dB 100 Hz Bass +/-12 dB 11kHz Treble Speaker out: -67 dBV Pre Out: -90 dBV 96 dBV 60 dBV LEFT OUTPUT TREBLE BASS SOURCE ONE SOURCE TWO SOURCE THREE tone MIC ONE tone MIC TWO DESCRIPTION RIGHT OUTPUT Mixer / Amplifier pwr 0 10 clip 0 10 clip MA2355 - + - + 0 10 0 10 0 10 0 10 0 10 Max Input Level: Connectors: Phantom Power: Max Gain: Tone Controls: Noise Floor: S/N Ratio: Priority Attenuation: POWER AMP Recommended Load: THD + Noise: Weight: Size: Mic 1, 2: Adjust the level of signal from the corresponding Mic Input. TONE 1, 2: Adjusts the frequency content of the microphone signal in the channel. When the control is turned counter-clockwise, the high frequencies are cut, when the control is turned clockwise, the low frequencies are cut. Source 1 - 3: Adjust the volume of input from the RCA Source Inputs. Bass: Adjusts the low frequencies of the Source 2 and 3 signals only. Treble: Adjusts the high frequencies of the Source 2 and 3 signals only. Left / Right Output: Adjusts that channel's output level Clip. LED indicating clipping in the MA2355 amplifier. Power: LED indicating power is applied to the MA2355 and the unit is on. REAR PANEL MODEL MA2355 MADE IN USA www. rolls. com SERIAL NUMBER 2355 STEREO SOURCE 1 MIC 2 STEREO PHANTOM POWER RIGHT OUTPUT LEFT OUTPUT RIGHT AMP INSERT LEFT AMP INSERT PRIORITY SOURCE 1 MONO 3 on 2 1 SOURCE INPUTS MONO MIC TWO MIC ONE 21 RECORD OUTPUT WARNING: 8 Ohms . 06% typical-82 dBV 120 VAC 50-60 Hz 5. 5 lbs (2. 5 kg) 19" x 1. 75" x 5" (48cm x 4. 5cm x 12. 7cm) DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE NO USER SERVICABLE PARTS INSIDE. RISQUE DE CHOC - NE PAS ENLEVER Right / Left Output: Spring-loaded terminal for connection to the speakers. LEFT/RIGHT AMP INSERT: 1/4" Tip-Send, Ring-Return insert jack. MICROPHONE ONE and TWO: Balanced XLR inputs to be connected to dynamic or condenser microphones. DIP SWITCH: Contains the small switches for engaging Mic 1, 2 phantom power, Source 3 Stereo or Mono, the priority (Talk Over) functions, and the Mono/Stereo select. SOURCE INPUTS: Stereo RCA jacks, Channels 1 - 3, for connection to stereo sources such as AM/FM tuners, cassette players, cd players, or video players. RECORD OUT: Stereo RCA jacks, contains all mixed signals before the Master Level controls. 5 2 CONNECTION Inputs Connect low impedance microphones to the Mic inputs. If a paging microphone is being used, connect it to Mic Input 2 so it may be used with the Talk Over function. [. . . ] With a jukebox connected to Source input 1, and the Talkover switch 2 on, the other Source input signals such as background music, will be muted and only the jukebox will be heard. · MONO / STEREO: When up, the output of the MA2355 is summed to mono. Either jack can be used as a mono output. FAULT PROTECTION The fault protection in the MA2355 limits the current to the output stage. [. . . ]