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2 947221
NOTE: When using 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).
25V or 70V Paging Systems
When using the One-Way Amplified Speakers
with an existing 25 or 70V paging system, the
following equipment will be required:
• Appropriate one-way speaker
assembly
• Power supply sized to provide
power to operate the amplified
speaker assemblies
• V-1095 70 Volt Expander
Background Music
The Valcom Dual Input One-Way Amplified
Speakers may be used with a page control for
the purpose of providing background music on a
per zone basis along with one-way voice paging
(See Figure 2 for a Background Music Block
Diagram).
NOTE: When using the Dual Input One-Way
Amplified 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.
MUSIC
SOURCE
PAGE
CONTROL
POWER
SUPPLY
DUAL INPUT
ONE-WAY
A
MPLIFIED
SPEAKER
FIGURE 2 – BACKGROUND MUSIC BLOCK
DIAGRAM
V-1094A
*
* The V-1094A is recommended when using
Handsfree Page Control
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. (See Figure 3 for a Group Call
Block Diagram).
ZONE 1
ZONE 2
ZONE 8
(Group 1)
PAGE
CONTROL
DUAL INPUT
ONE-WAY
A
MPLIFIED
SPEAKERS
POWER
SUPPLY
FIGURE 3 - GROUP CALL BLOCK DIAGRAM
INPUT 1
INPUT 2
INPUT 1
INPUT 2
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).
Speaker Cabling
All Valcom Dual Input Amplified One-Way
Interior Speakers require six conductor wire,
standard 22 or 24 gauge station wire is
acceptable. Shielded wire is not required or
recommended. Refer to Tables 1 and 2 when
planning a system.
Coverage
V-1220 - Ceiling Speaker: The area covered by
a ceiling speaker is determined by the height of
the ceiling. If the ceiling height is 8', the speaker
will cover approximately 250 sq. ft.; if 9 to 15',
the speaker will cover approximately 400 sq. ft.;
if 15 to 35' high, the speaker will cover
approximately 850 sq. ft.
V-1222 - Wall Speaker
: Wall speaker will cover
an area up to 600 sq. ft. Wall Speakers should
be spaced 20 feet apart. Good quality paging
will be heard up to 30 feet in front of the
speaker.
SECOND
A
UDIO
SOURCE
PAGE
CONTROL
POWER
SUPPLY
DUAL INPUT
ONE-WAY
A
MPLIFIED
SPEAKER
FIGURE 1 - PAGE SYSTEM BLOCK DIAGRAM