User manual ROLLS MA1705

[. . . ] 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. [. . . ] If obvious physical damage is noticed, contact the carrier immediately to make a damage claim. 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 -82 dBV 96 dBV 60 dBV OUTPUT LEVEL TREBLE BASS SOURCE ONE SOURCE TWO SOURCE THREE tone MIC ONE tone MIC TWO DESCRIPTION Mixer / 70 Volt Amplifier pwr 0 10 clip MA1705 - + - + 0 10 0 10 0 10 0 10 0 10 Max Input Level: Connectors: Phantom Power: Max Gain: Tone Controls: Noise Floor: THD + Noise: S/N Ratio: Priority Attenuation: POWER AMP Recommended Load: Frequency Response: Size (W x H x D): Weight: 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. Treble: Adjusts the high frequencies of the Source 2 and 3 signals only. Power: LED indicating power is applied to the MA1705 and the unit is on. LED indicating overload in the MA1705 amplifier. REAR PANEL PRIORITY 3 on MODEL MA1705 MADE IN USA www. rolls. com OUTPUT POWER AMP INSERT 2 1 SOURCE INPUTS MIC TWO MIC ONE 21 RECORD OUTPUT 70 Volt line (70 Watts maximum) 60Hz to 20 kHz 19" x 1. 75" x 5" (48 x 4. 5 x 12. 7) 5. 5 lbs (2. 5 kg) SERIAL NUMBER 1705 - PHANTOM POWER SOURCE 1 MIC 2 not used not used WARNING: DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. NO USER SERVICABLE PARTS INSIDE. RISQUE DE CHOC - NE PAS ENLEVER OUTPUT: Spring-loaded terminal for connection to the speakers. 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, and the priority (Talk Over) functions. SOURCE INPUTS: Stereo RCA jacks, Channels 1 - 3, for connection to stereo sources such as AM/FM tuners, cassette players, cd players, or a jukebox. RECORD OUT: Stereo RCA jacks, contains all mixed signals before the Master Level control. 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. Connect source signals such as CD players, cassette players or video players to the RCA Source Inputs. [. . . ] · Source 1 Priority: when in the up position, Source 2, and 3 will be "ducked" or muted by the signals at Source 1. 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. FAULT PROTECTION The fault protection in the MA1705 limits the current to the output stage. This mode is entered whenever the output stage is called upon for too much power, it may also be fooled by impedances lower than four ohms - which may cause the output stage to overheat and be irreversably damaged. [. . . ]