
Operating Instructions
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
UPA-1C
Loudspeaker
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.
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.