1
OVC100 100-Watt Impedance Matching Outdoor Volume Control
P/N 38177
Quick Install Guide
INTRODUCTION
This Impedance Matching Outdoor Volume Control allows you to connect multiple speaker
pairs to a single power amplifier or receiver. It increases (or decreases) the impedance of
the connected speaker pair to ensure that the overall impedance level presented to the
amplifier is high enough to prevent damage to the amplifier. It can support amplifiers with
up to 100 watts of output power and has a waterproof enclosure, allowing it to be used in
outdoor applications.
INSTALLATION
Perform the following steps to install one or more volume controls to your stereo system.
These instructions assume that you have already installed all speaker pairs and low-voltage
mounting brackets at the desired locations.
1.
Refer to your amplifier's manual to determine the minimum impedance level that
can be safely connected. In most cases, the minimum impedance is 4, 6, or 8 ohms,
though some amplifiers are stable down to 2 ohms.
2.
Determine how many speaker pairs are to be connected and the nominal
impedance of each pair. Note that only a single pair of speakers should be
connected to each volume control.
3.
Refer to the following tables to determine the switch settings for each
volume control, depending on the minimum impedance load of your
amplifier, then set the switches on all volume controls to the indicated value.