Rolls MX54s Mixer Manual & Schematic 电路图.pdf

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1、Owners Manual Rolls Corporation Salt Lake City, UT 10/00 LIMITED WARRANTY This product is warranted to the original consumer purchaser to be free from defects in materials and workmanship under normal installa- tion, use and service for a period of one (1) year from the date of purchase as shown on

2、the purchasers 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 retu

3、rned to Rolls Corporation, TRANSPORTATION CHARGES PREPAID. 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

4、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 authori

5、zed 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. ANY IMPLIED WARRANTIES, OBLIGA- TIONS, OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNE

6、SS FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY. 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

7、 CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow the exclusion or limitation of special, incidental or consequential damages so the above limitation or exclusion may not apply to you. This warranty gives you specific legal ri

8、ghts, and you may also have other rights which vary from state to state. MX54s ProMix Plus 3-Channel Stereo Mic Mixer MX54 ProMix Plus Mixes three microphones to stereo XLR outputs Output level controls for mic or line-level output Transformer isolated outputs Phantom Power and Low-Cut switches for

9、each Mic input Battery and AC powered The MX54s is a very useful microphone mixer. Its perfect for sub-mixing microphones in an installa- tion or recording application. The Phantom Power and Low-Cut switches add to the versitility and usefullness of the MX54. SPECIFICATIONS Input Impedance:600 Ohms

10、Output Impedance:XLR 600 Ohms THD + Noise:.02% S/N Ratio:84 dB Frequency Response:25 Hz - 16 kHz (+0 / -3 dB) Max Output Level:+ 14 dB Max Input Level:-14 dB Max Gain:+60 dB Low Cut:-3 dB 100 Hz Current Draw:20 mA Phantom Power:+18 VDC Connectors:3 Female XLR, 2 Male XLR, 1 1/4 TRS, DC Power Jack Si

11、ze:5.3 x 3.7 x 2 Weight:1 lbs. + - BATTERIES MADE IN USA PAN LEVEL R L 010 CHANNEL 1 PAN LEVEL R L 010 CHANNEL 2 PAN LEVEL R L 010 CHANNEL 3 PHONES AUX clip pwr MADE IN USA POWER OFF - ON MX54s 9V x 2 RadioFans.CN 收音机爱 好者资料库 INTRODUCTION Thank you for your purchase of the MX54s ProMix Plus. This uni

12、t is designed and manufactured to mix three microphones together and send their combined signals out stereo transformer-balanced XLR outputs. The individually switchable phantom power and low-cut switches provide he final touches which make the MX54s a valuable tool for any sound reinforcement, musi

13、cal, recording, or install application. INSPECTION 1. Unpack and Inspect the MX54s package Your MX54s 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 physica

14、l 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 complete the Warranty Registration Card and return it to the factory. DESCRIPTION REAR PANEL Mic Input: 1

15、 - 3: XLR balanced inputs for connection to any standard dynamic or condenser microphone. Right and Left Outputs: Transformer balanced XLR output jacks for connection to the next device in the signal chain such as a signal proces- sor or amplifier. Right and Left Trim controls: Screwdriver adjustabl

16、e controls to vary the level of each output. NOTE: These controls are set at mic level from the factory. Turning them counter-clockwise increases the output level. These controls do not effect the Aux/Headphone Output. FRONT PANEL Mic Level 1 - 3: These controls adjust the level of the corresponding

17、 Mic channel. The level varies from -infinity (off) to +60 dB of gain (typical). PAN 1 - 3: Adjusts the relative right/left level of each channel. Phone/Aux: 1/4 TRS jack which may be connected to a pair of head- phones for personal monitoring, or to an unbalanced input of a signal processor or ampl

18、ifier. Power LED: Indicates the MX54s is on. Clip LED: Indicates that clipping is about to occur or occurring in the MX54s circuitry. This LED begins to light 3dB below actual circuit clipping. Power Switch: Applies power to the MX54s. Located on the right side of the unit is the +12 VDC power jack

19、for connec- tion to an optional +12 VDC (outside of the ring is positive) external power supply. We recommend the Rolls PS27. Locatd on the left side of the unit is the battery compartment which houses two 9-Volt (alkaline preferred) batteries. Also on the left side are the Phantom Power and Low-Cut

20、 switches. 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. SCHEMATIC Docume

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27、? # - . / & ? # ? ? ? ? ? ? ? ? & ? ? 0 ? ? ? ? & ? ? & ? ? 0 ? & ( ) ( ? ? * + * , ? # - . / ? ? & ? # ? ? ? ? ? ? ? ? & ? ? ? ? ? ? +VB ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? +VB ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? +VB ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? +VB Date: 5-Oct-2000 PHNT PWR ON=DOWN LOW CUT ON=UP 1 2 3 P L P L P L RadioFans.CN 收音机爱 好者资料库