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Table 1
# of Speakers per Audio Run
Wire Run in Feet # of Speakers
100 150
200 150
400 100
800 50
1600 25
Table 2
# of Speakers per Power
Wire Run in Feet # of Speakers
(22 AWG)
100 30
200 30
400 15
800 7
1600 3
INSTALLATION
Page Control Access
The Valcom Dual Input One-Way Amplified
Interior Speakers provides a means for
connecting one speaker to two audio sources.
A standard paging system is made up of 3 basic
components:
• Appropriate one-way speaker assembly
• Page Control
• Power Supply sized to provide power to
operate the amplified speaker
assemblies and page control
NOTE: When using the Valcom Dual Input
One-Way Interior Speakers with a handsfree
page control, it is recommended that a V-1092
Volume Control be connected between the zone
output and the speaker input to lower the signal
level to the one-way speakers (to prevent
overdriving of inputs).
See Figure 4 for Screw Connection Location
and Designations. See Figure 5 for the required
connections when using the Dual Input
One-Way Amplified Interior Speakers with a
page control.
Volume Control
Input 1
Input 2 Power Input 1
Screw Connection Location and
Desi
g
nations - Fi
g
ure 4
MUSIC
SOURCE
POWER
SUPPLY
PAGE
CONTROL
DUAL INPUT
CEILING SPEAKER
INPUT 2
POWER
INPUT 1
FIGURE 5
25V or 70V Paging Systems
The Dual Input One-Way Amplified Speakers
may be used to expand an existing 25V or 70V
paging system without placing an additional load
on the amplifier by connecting one input of the
speaker directly to the 8 Ohm output of one of
the existing 70 Volt transformers tapped at 1/4
watt. A power supply will also be required.
Background Music
The Valcom Dual Input One-Way Amplified
Speaker may be used for providing background
music on a per zone basis along with one-way
voice paging. The music source is connected to
Input 2 Tip and Ring. The page zone output is
connected to Input 1 Tip and Ring.
NOTE: When using the Dual Input One-Way
Amplified Interior Speakers with background
music and a handsfree
page control unit, it is
recommended that a V-1094A Page Port
Preamp/Expander be connected between the
zone output and the speaker input to eliminate
backfeed of the background music to the
handsfree control unit.
Group Call
The Valcom Dual Input One-Way Amplified
Speakers may be used with a multi-zone page
control to provide simultaneous paging to a
group of zones. When it is used for group call,
Input 1 is connected to an assigned zone
number. Input 2 is connected to the zone
number that will be used for the group call page.
NOTE: When using the Valcom Dual Input
One-Way Interior Speakers with a handsfree
page control, it is recommended that a V-1092
Volume Control be connected between the zone
output and the speaker input to lower the signal
level to the one-way speakers (to prevent
overdriving of inputs).
See Tables 1 and 2 for wiring specifications for
these speaker assemblies.