Pro 2 PRO1163P Manual

Volume Control with Impedance Matching Manual
The PRO1163 Volume Control is a wall-mount stereo
speaker-level volume
matching. It connects between the speaker outputs
of an amplifier or receiver and a pair of speakers. The
PRO1163 is matching the minimum output
impedance of the amplifier or receiver, in addition to
adjusting volume. It eliminates the need for a
speaker selector or impedance matching equipment.
IMPORTANT: Before
manuals included with each component in your
system. If you are unsure of any of the installation
procedures described herein or elsewhere, consult a
professional electronics installer.
PRO1163 FEATURES
1. Rotary control of volume level and speaker on/off
2. Impedance matching
3. Fits standard faceplates
SPECIFICATIONS
Power Handling:
.................300 watts max; 100watts RMS continuous
Input Impedance:
......... Config. to 1x, 2x, 4x, or 8x impedance matching
Quick Connect Terminals:
.....................................Accept up to 12-gauge wire
Attenuation:
..............12 steps including off; total attenuation 54 dB
Frequency Response:
....................20 Hz ~ 20 kHz, +/- 2 dB at rated power
Mounting:
.........................Fits most single-gang junction boxes
Dimensions:
........................................ 42W x 103H x 103D mm
INSTRUCTIONS
CONSIDERATIONS
1. Make sure that your amplifier has adequate
wattage for the number of speakers. Watts per
channel divided by the number of pairs should
equal or exceed the individual speaker's minimum
wattage requirements.
2. You must use one PRO1163 volume control for
each pair of speakers.
3. Every switch setting must be set on the same
setting throughout the system.
4. A minimum speaker load of 4 ohms can be
connected to the output of each PRO1163
volume control.
control with impedance
installation, review
SET THE CORRECT SWITCH POSITION FOR
IMPEDANCE MATCHING
Important: A minimum speaker load of 4 ohms
can be connected to the output of each PRO1163
volume control.
The switch must be set in a position that correctly
multiplies the impedance of the system to a level
that is equal to or greater than the impedance of the
the
amp.
1. Determine the amplifier's minimum impedance (as
listed in its owner's manual or on its back panel).
2. Choose the correct impedance-matching chart (8
ohm or 4 ohm) shown on the 3rd page. If your
amplifier is 6-ohm, use the 8-ohm chart. Count
pairs of 6-ohm speakers as 4-ohm pairs.
3. Determine the total number of 4-ohm pairs of
speakers (rows on charts). Count pairs of 6-ohm
speakers as 4-ohm pairs.
4. Determine the total number of 8-ohm pairs of
speakers (columns on charts)
5. See the switches on all of the controls (PRO1163)
to the same position (1x, 2x, 4x, or 8x) as shown
in the illustrations on the 3rd page.
WIRING INSTRUCTIONS
Type of Speaker Wire
For most applications, we recommend you use
16 or 18 gauge, stranded copper speaker wire
for the PRO1163 speaker connections. For
wiring runs longer than 100 feet, 12 gauge
wire is recommended. Using speaker wire
larger than 12 gauge for PRO1163 Volume
Controls is not recommended as the wire
may not fit into the connectors.
Amplifier & Speaker Connections
1. Connect the leads from the amplifier's speaker
outputs to the connector labeled INPUT on the
PRO11163. Make sure to maintain polarity (+, –)
as well as channel identification (Left, Right).
CAUTION: Do not reverse the input and output
connections!!
NOTE: A majority of receivers are designed to
operate at a rating of 8 ohms. On receivers that offer
A and B speaker outputs, the A and B connections
share the same amplifier. It is important to note, due
to the way many receivers are wired, that when
using impedance matching devices, such as
PRO1163 volume controls, it is recommended to
wire all speakers to the A output.
2. Connect the OUTPUT on each PRO1163
volume control to a pair of speakers.
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PRO1163P