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Summary of Contents for Meyer Sound LD-2
- Page 1 LD-2 Line Driver OPERATING INSTRUCTIONS Superior engineering for the art and science of sound. Keep these important operating instructions...
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Page 2: Table Of Contents
CONTENTS Safety Summary The LD-2 Line Driver: Introduction Audio Input AC Power Left And Right Channel Funtions Example Configurations Specifications LD-2 Signal Flow Diagram Front and Rear Panel Detail, Physical Dimensions Notes Contact Information SYMBOLS USED HESE SYMBOLS INDICATE IMPORTANT SAFETY OR OPERATING FEATURES IN THIS BOOKLET AND ON THE CHASSIS... -
Page 3: Safety Summary
SAFETY SUMMARY pénétrer dans appareil. Ne pas placer nicht in der Nähe von NGLISH • To reduce the risk of electric shock, de r´cipients contenant un liquide sur wärmeabstrahlenden Haushaltsgeräten disconnect the unit from the AC cet appareil, ni à proximité de celui- (z.B. -
Page 4: The Ld-2 Line Driver: Introduction
THE LD-2 LINE DRIVER:INTRODUCTION Thank you for purchasing the LD-2 Line Driver, one of the two line-level distribution systems offered by Meyer Sound for Filter Switch Filter Switch integrating and optimizing our self-powered loudspeakers. The LD-2 allows system designers and operators to configure and... -
Page 5: Audio Input
1 (or the cable shield) of the audio source. To connect an unbalanced audio source to the LD-2, use the The LD-2 is balanced in and out, and consequently has no hot wiring connections shown below: (+) pin. Pins 2 and 3 carry the input as a differential signal. - Page 6 Figure 4 The LD-2’s Mid-Hi Output Filters alone as a subwoofer, or is not included in the system, the 1. The Meyer Sound SIM II is a computer-based dual channel FFT 2. The CP-10 is a dual-channel, complimentary phase, precision analog analysis system optimized for electroacoustic measurement.
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Page 7: Example Configurations
The combined frequency response may be optimized by activating the Lo Cut filter on the Mid- Hi output of the LD-2. Ensure that the polarity switches for the output channels feeding the MSL-4 and PSW-2 loudspeakers are not inverted. - Page 8 WITH FILL the height and distance of the measurement position relative This example shows the LD-2 used to integrate a system of to the subwoofers and the flown loudspeakers. self-powered loudspeakers for a larger venue. We recommend that the entire system be measured, phase- aligned, and equalized using the SIM System II Sound Analyzer and CP-10 Parametric Equalizer.
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Page 9: Specifications
2. Ratio of maximum sinewave to A-weighted noise floor 3. Level set to unity gain (0 dB) 4. 0 dBV, 1 kHz sinewave input. Gain at +12 dB main channel Copyright © 2000 Meyer Sound Laboratories, Inc. All Rights Reserved... -
Page 10: Ld-2 Signal Flow Diagram
Aux & Sub Crossover High Current Level Sub Mute Polarity Switch normal Full range PWR-ON DIFFERENTIAL PWR-OFF BLOCK DRIVER MUTE Crossover Output Polarity -12 to +6dB inverted 65Hz Q=0.9 Earth and Chassis GND -12dB/oct Both channels of the LD-2 are identical. -
Page 11: Front And Rear Panel Detail, Physical Dimensions
FRONT AND REAR PANEL DETAIL, PHYSICAL DIMENSIONS All units in inches 3.45 16.75 19.00 The front of the LD-2, showing rack ears and corresponding space requirements 3.45 16.75 Rear 3.45 6.86 Side... -
Page 12: Contact Information
CONTACT INFORMATION Meyer Sound Laboratories, Inc. 2832 San Pablo Avenue Berkeley, CA 94702 tel: 510.486.1166 fax: 510.486.8356 e-mail: info@meyersound.com 05.088.003.01 Rev A www.meyersound.com...
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