Meyer Sound UPA-1C Operating Instructions

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UPA-1C

Loudspeaker

Operating Instructions

The Meyer Sound UPA-1C is a compact, high-power

arrayable loudspeaker designed to perform in a wide

variety of sound reinforcement applications. It is a bi-

amplified system consisting of a proprietary 12-inch

low-frequency cone driver in a vented enclosure with

an 80-degree horizontal high-frequency horn and

driver.

Meyer Sound Laboratories, Inc.

2832 San Pablo Avenue

Berkeley, CA 94702

The UPA-1C is designed to be operated as a system

with the Meyer Sound M-1A Control Electronics

Unit (one M-1A per channel). The M-1A comprises

electronic crossover, Meyer Sound exclusive

SpeakerSense™ driver protection circuitry, and

amplitude and phase response alignment circuitry

optimized for the loudspeaker.

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Page 1 Loudspeaker Operating Instructions The Meyer Sound UPA-1C is a compact, high-power The UPA-1C is designed to be operated as a system arrayable loudspeaker designed to perform in a wide with the Meyer Sound M-1A Control Electronics variety of sound reinforcement applications. It is a bi- Unit (one M-1A per channel).
Page 2 4 ohms.) Use of amplifiers of lower power will not allow the full power and headroom of the UPA-1C system to be realized (though this may be acceptable in applications Connections...
Page 3 All rigging should be done by competent professionals. Placement and The high frequency horn of the UPA-1C adds very well in Keep the rear corners of adjacent loudspeakers together Arraying the horizontal axis, and the apparent sources of both high or close to one another.
Page 4 Horizontal 140° using pink noise source and measured in rd octave bands. Maximum SPL @ 1meter © Meyer Sound, 1985 - 1994. All This configuration produces smooth response, but is asymmetrical Continuous 129 dB rights reserved. This document in the vertical plane. (Measurement axis same as for a single UPA-...