ATI Technologies MX100 Operating And Maintenance Manual Download Page 1 | Manualshive

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Audio Technologies Inc. | 154 Cooper Road #902 | West Berlin, NJ 08091 | Voice 856-719-9900 | Fax 856-719-9903 | www.

audio.com

© Copyright 1997-2005, Audio Technologies Incorporated - Printed in USA

MX100 MX100C

MX101 XP100

MONO OUTPUT MIXERS

OPERATING AND MAINTENANCE MANUAL

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Summary of Contents for MX100

Page 1: ...ooper Road 902 West Berlin NJ 08091 Voice 856 719 9900 Fax 856 719 9903 www audio com Copyright 1997 2005 Audio Technologies Incorporated Printed in USA MX100 MX100C MX101 XP100 MONO OUTPUT MIXERS OPERATING AND MAINTENANCE MANUAL ...

Page 2: ...er PA driver with inputs for noise masking and background music or simply a very clean and quiet mike or line input mixer Several power modules for field use are available including both replaceable and rechargeable 24V battery packs DC DC converters for 6 to18V automotive or belt pack battery power and plug in 24VDC wall supplies An optional rugged Field Pack carry bag includes side protection pl...

Page 3: ... balanced or unbalanced output loads of 600 ohms or greater A bright LED VU meter and headphone amplifier monitor the program output The output may be set to line or microphone level by moving an internal jumper plug The MX100C adds a switched low distortion compressor limiter and a peak indicating LED to the basic MX100 Mixer A rear panel Expander input allows interconnection of two mixers or the...

Page 4: ...rn both positions OFF for 20dB for microphone inputs and position 4 ON 10dB OFF 0dB for line inputs The preamps will have an input clipping level of 18dBu minus the selected gain e g 42dBu input clipping at 60dB gain 8 5mV peak 22dBu at 40dB 85mV peak and 2dBu at 20dB gain 85V peak The gain should be set such that the maximum microphone output level is always below the input clipping level Some sh...

Page 5: ...l dipswitches to assure maximum headroom and control resolution If you have a preferred position for a particular input you can pop out the knob cap and reposition its reference indicator line to the twelve o clock position A selection of colored knob caps is included with the unit to allow you to color code the inputs The Master control adjusts the Line Output as indicated by the LED meter The Ma...

Page 6: ... characteristic Internal meter calibration pot R70 sets the 0VU meter reference to 4dBm output level and is adjustable to read 0VU for outputs from 10 to 8dBm COMPRESSOR LIMITER The MX101 and the MX100C incorporate a low distortion optical compressor with a front panel switch and peak indicating LED The compressor threshold adjustment R76 is factory set for a sine wave threshold at 3VU meter indic...

Page 7: ...101 provides a regulated 20 2VDC for phantom powering microphones from inputs as low as 21VDC Active regulation of the phantom power supply helps eliminate any possibility of oscillation due to unbalanced loading of the phantom supply by the microphone They share a common external 24VDC Wall Wart type power supply for fixed installations A pair of loop thru DC connectors on the rear of each module...

Page 8: ...t may be necessary to have the shipping company inspect the unit and the box at your location Count the pieces Don t throw out the boxes and packing material until you are sure you have everything that is coming to you The XP100 comes with an audio cable P N20612 1 a DC cable P N20602 1 and an instruction book The MX100 comes with an instruction book but does not come with any cables The MX100 nee...

Page 9: ...d 54dB attenuator pad into the output line To set the 0VU meter indication to an output level other than the factory setting of 4dBm adjust trimpot R70 CUE MONITOR HEADPHONE LEVEL The CUE MONITOR level adjust trimmer on the MX101 R74 is factory set for a comfortable listening level at a director s cue input level of 10dBu 25Vrms but can be adjusted as required MOUNTING You may rack mounted one two...

Page 10: ...cable shield and DC return connection for phantom microphone power Pin 1 of the output connector is grounded Active balanced outputs require a reference ground connection to the receiving device for proper operation This ground can be provided by the rack frame or a studio buss connection but is preferably carried through by the output cable shield POWER CONNECTIONS Hum and noise performance of th...

Page 11: ...ence level and must not be accidentally grounded by dangling audio interconnects cables METERS CALIBRATION To set adjust the master gain control for the desired OVU output level in the range of 8 to 10dBm 4dBm nominal with an independent audio voltmeter Adjust the internal meter calibration trimpot R70 for 0VU indication on the bargraph meter SWITCH MAINTENCE The front panel MIC LINE switches have...

Page 12: ...ain 20Hz to 20kHz measurement bandwidth GAIN MX MIC 52 72 92dB LINE 32 42dB Gain of each input is selectable XP100 MIC 40dB LINE 0dB HEADPHONE OUTPUT 100mW to 600 150 Ohm Headphones TRS Jack LIMITER MX101 MX100C only 5 1 SLOPE Attack time 50ms Recovery time 300ms for 10dB change PHANTOM POWER 20VDC regulated 4ma through paralleled 3 32K Ohm resistors POWER 24VDC 22 to 30 VDC max MX100 and MX101 dr...

Page 13: ...320 Male 3 pin AC input connector 24VDC 4 amp 230VAC 50 Hz Rack Mount Kits 20604 501 Center mount for single unit 20604 502 side by side mounts for two units 20604 503 side by side mounts for three units Desk Mount Kits 20617 501 Angled Desk Mount Base 20617 502 Angled Desk Mount Base and One Stacker 2 units high 20617 503 Angled Desk Mount Base and Two Stackers 3 units high 20617 504 Stacker 2 un...

Page 14: ...ary NP 1 type batteries REMOTE POWER PACKS For use with Field Accessories PPA 1 Integrated power pack assembly for remote operation which mounts to a mixer Includes housing with rechargeable 24VDC gel cell battery pack four to six hours operation and an external battery charger operating at 115VAC 60 Hz PPA 2 Same as above except battery charger operating at 230VAC 50 Hz Euro plug Contact factory ...

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