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Table of Contents
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Summary of Contents for Audio Authority 1805
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Page 1: User Manual
User Manual Model 1805 Variable Gain Amplifier... -
Page 2: Audio Input
Introduction The Audio Authority 1805 is a compact amplifier designed to provide amplification ® for speakers in retail demonstrations. Volume may be controlled via RS-232 or RS-485 using custom control devices such as a touch screen or capacitive touch panel. Gain may be set per channel. For best results use a commercial grade media player such as the Model 1803 or a BrightSign player. - Page 3 YELLOW STATUS • Raise the source volume controls (if present) to maximum. • Turn the 1805 gain dials (left and right channels) to 1 and start the audio source playing. • Select a speaker position, and raise the 1805 gain dials to the point of distortion, then reduce to the desired maximum level.
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Page 4: Power Specifications
• Call Audio Authority with questions that are not addressed in this manual. Example System: The 1805 sends amplified audio to the Model 1819 switch modules that route audio to the speakers. The 1803 media player’s MicroSD card contains the uncompressed audio content and provides the low-level input signal for the 1805 amplifier.
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