Rolls MX152 Mic-Line Mixer Manual & Schematic 电路图.pdf

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1、MX152 MixMate Mic/Line Mixer Owners Manual ROLLS CORPORATION SALT LAKE CITY, UTAH 6/04 SPECIFICATIONS Input Impedance: Mic: 600 Ohms XLR balanced Source: 22K Ohms RCA Max Input Level: Mic: -14 dBV Mic level Max Source: 24 dBV Connectors: 2: XLR, 8: Stereo RCA Phantom Power: +12 VDC Max Gain: Mic: 60

2、 dBV Source: 26 dBV Tone Controls: +/-12 dB 100 Hz Bass +/-12 dB 11kHz Treble Noise Floor: - 80 dB S/N Ratio: 96 dB Priority Attenuation: 60 dB Power: 12VAC / 600 mA Size: 5.4” x 1.7” x 5.5” Weight: 2 lbs SCHEMATIC RadioFans.CN 收音机爱 好者资料库 INTRODUCTION Thank your for your purchase of the Rolls MX152

3、MixMate. The MX152 is a two micro- phone, three source stereo mixer designed for restaurants, schools, churches, clubs etc. The unit provides a compact and effi cient way to mix sources such as AM/FM tuners, CD players, and video players with dynamic or condenser microphones. Priority talkover is pr

4、ovided on Microphone One for paging, and on Source Three for a jukebox, telephone, etc. NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AUDIO ELECTRONICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER SIGNAL LEVEL SETTING. INSPECTION / WARRANTY 1. Unpack and inspect the MX152 box and

5、 package. 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 and click on the Register Your Warranty Here button, or

6、complete the Warranty Registration Card and return it to the factory. DESCRIPTION FRONT PANEL 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 hig

7、h 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. IN 3: Front panel 1/8” stereo input, linked to source 3. Bass: Adjusts the low frequencies of the Source 1 and 2 signals only. Treble: Adjust

8、s the high frequencies of the Source 1 and 2 signals only. pwr: LED indicating power is applied to the MX152 and the unit is on. REAR PANEL 12VAC / 600 mA: Power input connector. Connects to the Rolls PS12 Power Adapter. OUTPUT: Stereo RCA jacks, contains all mixed signals. SOURCE INPUTS: Stereo RCA

9、 jacks, Channels 1 - 3, for connection to stereo sources such as AM/FM tuners, cassette players, cd players, or video players. 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. MICROPH

10、ONE ONE and TWO: Balanced XLR inputs to be connected to dynamic or condenser microphones. CONNECTION Inputs Connect low impedance microphones to the Mic XLR inputs. If a paging microphone is be- ing used, connect it to Mic Input 1 so it may be used with the Talk Over function. Connect source signals

11、 such as CD players, cassette players or video players to the RCA Source Inputs. If a jukebox is being connected, and you want its signal to mute the other source signals, connect it to Source input 3. Output Connect a stereo RCA cabe to the main Output jack, and to an amplifi er or the next device

12、in your signal chain. Shown here is a connection example for the MX152. OPERATION DIP SWITCH SETTINGS (From left to right) The Mono/Stereo switch selects the output mode. When the switch is up, the unit is in stereo mode. When the switch is down, the stereo signals are mixed to mono and sent to both

13、 the Right and Left Main output jacks. Either jack can be used as a mono output. Source 3 Priority: when in the down position, Source 1,and 2 will be “ducked” or muted by the signals at Source 3. This function is for jukebox priority. With a jukebox connected to Source input 3, and the Talkover swit

14、ch 2 on (down), the other Source input signals such as background music, will be muted and only the jukebox will be heard. Mic 1 Priority; when in the down position, all program material on Mic 2, Source 1 and 2 inputs will be “ducked” or muted when a signal is present at Mic 1. Source 3 is left un-

15、 muted. This function is used for paging. Source 3 Mono; this switch sums the Right and Left inputs of Source 3 to a mono signal. If a microphone requires phantom power, move the Mic channels corresponding PHAN DIP switch to the down position. This applies 12 volts dc phantom power to the indicated microphone. RadioFans.CN 收音机爱 好者资料库