Instruction d'utilisation Meyer Sound Self-Powered Loudspeakers UM-1P

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  "  #$%&'       () (    "  (   &  Previous technologies produced horns whose beamwidth The Meyer UM-P Series (UM-100P, UM-1P) self- varied over the operating frequency range. These horns powered stag

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to compensate for hostile conditions on the AC mains:
    suppresses high voltage transients up to several Each UM-P requires approximately 3Arms @115V kilovolts (1.5Arms@230V) for proper operation, allowing up to  filters EMI (radio frequencies and noise present five UM-Ps to be powered from one 15A circuit. How- on the AC line) ever, we recommend powering no more than three UM-Ps per 15A branch to allow a 30% margin for peak voltages.  sustains operation during low-voltage

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"#   Use the following AC cable wiring diagram to create international or special-purpose power connectors: The rear panel of the UM-P has two slots for processor brown = hot modules. The top slot contains the Audio Input and blue = Control Module; the bottom slot contains the optional neutral Remote Monitoring System™ (RMS) Module. A blank yellow/green = plate covers the bottom slot if RMS is not installed. For earth ground drawings of these modules,

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are on for no longer than two seconds, and off for at
    least one second. If either LED remains on for longer     than three seconds, that channel incurs these negative This module has a balanced, female XLR audio input consequences: connector, a male XLR loop connector, an input polarity  Increasing the input level will not increase the switch, and a level attenuator knob. With the input volume. polarity switch in the up (+) position, pin 2 is ho

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! &&( The power supply is cooled by a single small internal fan that turns on low when the unit is first powered up. The fan doubles its speed as the system is driven with audio. Since the fan draws air in from, and exhausts it out the side of the cabinet, there must be at least six inches on the amplifier’s side of the cabinet and ad- equate air flow.
        In half-space loading condition, the UM-P will typically produce a maximum SPL of 135 dB at 1 meter

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  !     Use the following test procedure to verify polarity between drivers in the same loudspeaker: 1. Place a monitoring microphone 1 meter from the Incorrect driver polarity impairs system performance front of the loudspeaker at the midway point be- and may damage the drivers. All Meyer Sound loud- tween the high and low frequency drivers. speakers are shipped with the drivers in correct align- 2. Connect a full range signal to the loudspeaker and m

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4. Send the audio signal to another speaker to insure !%  signal presence and that the level is within the   # proper range. Turn the source level down before 1. Make sure the audio signal is full-range and has reconnecting the audio input and increase the level not been filtered in a previous stage of the signal slowly to avoid a sudden blast of sound. chain. If possible, monitor the audio source with 5. If possible, monitor the audio source with he

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$ )*  To reduce the risk of electric shock, disconnect the loud-  Pour réduire le risque d’électrocution, débrancher la speaker from the AC mains before installing audio cable. prise principale de l’haut-parleur, avant d’installer le câble Reconnect the power cord only after making all signal d’interface allant à l’audio. Ne rebrancher le bloc connections. d’alimentation qu’après avoir effectué toutes les connections.  Connect the loudspeaker to a two-po

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*&  The user panel and optional modules are described on page 5 of this guide. User Panel with RMS option and standard Looping Audio Input Module. Looping, Polarity, and Attenuating Input Module. High Limit LED Low Limit LED GND Circuit11 25kΩ Balanced Summing Audio Input + 1kΩ Each Each - Push Push 2 2 Limit 220kΩ 33 Case 24VFan Earth / Chassis Inputs Summing Inputs On / Temp. Summing Audio Input Module - +

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  22.4 22.4 16.5 16.5 UM-100P Front UM-1P Front 16.5 9.99 13.8 16.9 12.6 GND Circuit 1 1 Looping Audio Input 2 2 3 Push 3 Limit 220k Ω Case 24VFan Chassis Earth / Input Loop On / Temp. Network 0 Service Remote Monitor System 52 AC Input 100-240V ~ 50-60Hz 4A MAX UM-P Side UM-P Top UM-P Back
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