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Operating Instructions
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
UPL-1 & UPL-2
High Definition
Reinforcement
Loudspeakers
Installation
The UPL-1 and UPL-2 are are aligned for flat fre-
quency response in free field (no adjacent bound-
ary surfaces). Placing either unit next to a wall or
floor will cause the low frequencies to be exagger-
ated, requiring equalization to correct. Always
allow at least 6 inches clearance behind the
speaker for cooling airflow.
The UPL-1 and UPL-2 are fitted with four
3
/8"-16
nut plates, two each on the enclosure top and
bottom. These may be used to attach the enclo-
sures to cables for hanging, or to a suitable sup-
port plate for mounting on a loudspeaker stand.
Each rigging nut plate is designed to support the
weight of a single cabinet.
Note. The UPL-1 and UPL-2 are not weather-
resistant, and should not be installed outdoors
where they may be exposed to the elements.
To protect from hazard of shock and compo-
nent failure, avoid rain or liquid spilled on the
amplifier chassis.
To avoid accidental disconnections, the UPL-1 and
UPL-2 cabinets are fitted with four tie-wrap an-
chors located at the four corners of the rear-
mounted amplifier chassis. Power and signal input
cables may be secured by inserting a plastic lock-
ing tie-wrap through any of these anchors, wrap-
ping it around the cable(s) and locking it in place.
Physical
Dimensions
Calibration Port
The calibration port is for factory use only. Do not
apply external voltages to any of the connector
pins.
The UPL-1 and UPL-2 are not user-serviceable.
Refer service to an authorized Meyer Sound Ser-
vice Center or to Meyer Sound.
14.00"
20.75"
14.00"
2.0"
16.42"
15.54"
8.00"
13.20"
8.50"
9.20"
8.88"
14.00"
20.75"
UPL-2 UPL-1