Meyer Sound UPA-1C - User Manual

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.

Meyer Sound UPA-1C Specifications

General

Impedance	8 ohms
Type	Self-Powered Loudspeaker
Input Connector	XLR
Sensitivity	N/A (Self-Powered)
Enclosure Material	Plywood
Finish	Black
LF Driver	12" cone

Summary

UPA-1 C Loudspeaker Introduction

Amplifier Requirements

Connections

Verifying System Polarity

Single Cabinets Polarity Test

Test single cabinet polarity using a 9-volt battery and analyzer.

Multiple Cabinet Array Polarity Test

Test polarity for multiple cabinets in an array using an analyzer.

Rigging

Placement and Arraying

High Frequency Network Configuration

Specifications