Rolls MX124 User's Manual
Contents
1. SETTING THE LOW CUT AND PHANTOM POWER SWITCHES On the left side are the Phantom Power and Low Cut switches Seana Sion Low Cut Phantom Low Cut Phantom Low Cut Phan Pwr ON dwn Low Cut ON up As shown here under each number is a P indicating Phantom Power and an L which indicates Low Cut When the P switch is DOWN the phantom power is ON when it is UP the phantom power is OFF When the L switch is UP the low cut is ON when it is DOWN the low cut is OFF LIMITED WARRANTY This product is warranted to the original consumer purchaser to be free from defects in materials and workmanship under normal installation use and service for a period of one 1 year from the date of purchase as shown on the purchaser s receipt The obligation of Rolls Corporation under this warranty shall be limited to repair or replacement at our option during the warranty period of any part which proves defective in material or workmanship under normal installation use and service provided the product is returned to Rolls Corporation TRANSPORTATION CHARGES PRE PAID Products returned to us or to an authorized Service Center must be accompanied by a copy of the purchase receipt 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 deface ment misuse abuse neglect accident destruction or alteration of the serial2. circuitry This LED begins to light 3dB below actual circuit clipping RIGHT HAND SIDE Battery compartment which houses two 9 Volt alkaline recommended batteries 12 VDC power jack for connection to the Rolls PS27 12 VDC outside of the ring is positive external power supply Power Switch Applies power to the MX124 SCHEMATIC J5 XLR M PC LINE HDPHONE PHONE 1 4 J6 XFMR AUDIO XLR MPC Output Level Trim IN 9 15 VDC Sheet 1 of 1 T2 5968 S 350 W Rolls Corporation Murray Utah Document Number FXa MX124 SCH MX124 PROMIX 4 CH MIXER Date 22 Sep 2005 Size XFMR AUDIO Title ice ice tT t 7 vt e Zz Z rs q 7 7 N isp PA o a x O AN C107 Fa 49 5 4560 1 27 6 R204332 1 R205332 1 5 i 3 R404332 1 R405332 1 5 R104332 R105332 R304332 1 10U 10U 10U 10U C204 10U 10U C304 10U 10U C404 C104 XLRFPC C103 XLRFPC 6393 XLRF PC C403
3. lls com click on the Register Your Warranty Here text and follow the instructions to register your MX124 Or complete the Warranty Regis tration Card and return it to the factory DESCRIPTION REAR PANEL CHANNEL a CHANNEL i aT CHANNEL j t me teed RIGHT INPUTS J ted RIGHT LEFT TRIM TRIM Mic Input 1 4 XLR balanced inputs for connection to any standard dynamic or condens er microphone Right and Left Outputs Transformer balanced XLR output jacks for connection to the next device in the signal chain such as a signal processor or amplifier Right and Left Trim controls Screwdriver adjustable controls to vary the level of each output Turning these controls clockwise increases the output level These controls do not effect the Aux Headphone Output FRONT PANEL oR PN lup a ROLLS LEVEL LEVEL LEVEL eee pwr O o o o ol an Promix IV EL CHANNEL CHANNEL aa ee on i Four Channel Stereo Microphone Mixer MX124 Mic Level 1 4 These controls adjust the level of the corresponding Mic channel The level varies from infinity off to max gain PAN 1 4 Adjusts the relative right left level of each channel Phone Aux 1 4 and 1 8 3 5mm TRS jacks which may be connected to a pair of head phones for personal monitoring or to a stereo unbalanced input of a signal processor amplifier or camera Clip LED Indicates that clipping is about to occur or occurring in the MX54s
4. 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 li abilities ANY IMPLIED WARRANTIES OBLIGATIONS OR LIABILITIES IN CLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANT ABILITY AND FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WAR RANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WAR RANTY EXPRESSED OR IMPLIED WHATSOEVER Some states do not allow the exclusion or limitation of special incidental or consequential damages so the above limi tation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state ROLLS CORPORATION SALT LAKE CITY UTAH 10 05 ROLLS MX124 ProMix IV CHANNEL CHANNEL CHANNEL CHANNEL t LEFT j t 7 1 2 3 4 INPUTS OUTPUTS Low Cut Phan Pwr ON dwn Low Cut ON up LEFT RIGHT Four Channel Stereo BATTERIES 9V x2 Microphone Mixer ROLLS k MADE IN USA SPECIFICATIONS Inp
5. ut Impedance Output Impedance THD Noise S N Ratio Frequency Response Max Output Level Max Input Level Max Gain Low Cut Current Draw Phantom Power Connectors Size Weight 600 Ohms XLR 600 Ohms 1 4 and 1 8 10 Ohms 02 84 dB 25 Hz 16 kHz 0 3 dB 14 dB 14 dB 55 dB 3 dB 100 Hz 30 mA 18 VDC 4 Female XLR 2 Male XLR 1 1 4 TRS 1 1 8 3 5mm DC Power Jack 5 5 X 2 1 mm tip negative 6 3 w x 3 7 d x 2 3 h 1 5 Ibs OWNERS MANUAL INTRODUCTION Thank you for your purchase of the MX124 ProMix IV This unit is designed and manufac tured to mix four microphones together and send their combined signals out stereo trans former balanced XLR outputs or front panel 1 4 and 1 8 stereo outputs The individually switchable phantom power and low cut switches provide the final touches which make the MX124 a valuable tool for any sound reinforcement musical recording or install applica tion INSPECTION 1 Unpack and Inspect the MX124 package Your MX124 was carefully packed at the factory in a protective carton Nonetheless be sure to examine the unit and the carton for any signs of damage that may have occurred during shipping 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 2 Please visit our website at www ro
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