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Summary of Contents for Meyer Sound USW-1P
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Page 1: Operating Instructions
Operating Instructions USW-1P Self-Powered Subwoofer (Serial Numbers 981000 and above) Copyright © 1997 Meyer Sound Laboratories, Inc. All rights reserved PN: 05.078.008.01 B Keep these important operating instructions. -
Page 2: Table Of Contents
Declaration of Conformity According to ISO/IEC Guide and EN 45014 The Manufacturer: Declares that the product: Product Name: UPA-1P, UPA-2P, UM-1P, USW-1P, UM-100P Name: Meyer Sound Laboratories, Inc. Product Options: All Address: 2832 San Pablo Avenue... -
Page 3: Introduction
PA, churches, 5.1 systems, and theatres. The USW-1P operates safely and without audio discontinuity The USW-1P is more than a powered version of the Meyer if the AC voltage stays within the range 88–264V, 47–63 Hz. -
Page 4: Current Requirements
1P to be powered from one 15 A circuit. However, we recom- mend powering no more than three USW-1Ps per 15 A branch to allow a 30% margin for peak voltages. The USW-1P presents a dynamic load to the AC mains which causes the amount of current to fluctuate between quiet and loud operat- ing levels. -
Page 5: The Modular Rear Panel
This standard module uses a balanced, female XLR connector for audio input and a male XLR loop connector to interconnect Each driver in the USW-1P is powered by one channel of a multiple speakers. The audio input connector is hardwired proprietary Meyer Sound amplifier utilizing complementary with pin 2 hot to comply with audio industry standards. -
Page 6: Rigging
The USW-1P weighs 137 lb (62 kg). The maximum recom- mended load for an USW-1P with aircraft pan fittings is 420 Amplifier Natural Convection Cooling System lb (191 kg). This working load is based on a 5:1 safety factor. -
Page 7: Ull-Range Systems
Room Loading The placement of the USW-1P in a room or a space is critically important to the response of the speaker system. A USW-1P hung in the air with no boundary conditions would not add any SPL from room loading. - Page 8 • choose, place, and array speakers; The graph below represents the change in dB SPL for frequen- cies under 125 Hz of a single USW-1P as it is moved away • measure propagation delays between speakers to set from a boundary. Distance measured in meters, is based on the the correct polarity and delay times;...
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Page 9: Verifying Driver Polarity
(decreased overall level) indicates polarity reversal between cabinets. A 2 to 3 dB SPL increase may indicate that one of the drivers in the USW-1P under test is out of phase, in this case, proceed to the next section. -
Page 10: Troubleshooting
1. Disconnect the audio input. If the noise persists, the There is no sound, the On/Temp. LED is problem is within the USW-1P. In this case return the dim or off, and the power supply fan is on unit to the factory or nearest authorized service center. If the hum ceases, the noise originates somewhere earlier high speed. -
Page 11: Safety Summary
• Do not install the loudspeaker in wet or humid locations d’électrocution et peut constituer une infraction à la without using weather protection equipment from Meyer Sound. réglementation locale concernant les installations électriques. • Do not allow water or any foreign object to get inside the •... - Page 12 S y s t e m Connectors CAUTION : See instruction manual AC Input ATTENTION : Voir le cahier d'instruction 100-240V Meyer Sound, Berkeley, CA. USA 50-60Hz 4A MAX PowerCon Locking AC Mains Inlet UX RATING LABEL A/W 30.076.069.01, REVISION. A 11/12/97 cmc...
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Page 13: Dimensions
CAUTION : See instruction manual AC Input 100-240V ATTENTION : Voir le cahier d'instruction 50-60Hz 4A MAX Meyer Sound, Berkeley, CA. USA Front Sides Back Meyer Sound Laboratories, Inc. 2832 San Pablo Avenue Berkeley, California 94702 Telephone: 510 - 486 - 1166 .AX:...
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