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VSP-Dual Input One Way Amp. Spkrs
Issue 5
1947221
DUAL INPUT
ONE-WAY AMPLIFIED INTERIOR SPEAKERS
V-1220
INTRODUCTION
The V-1220, V-1222, V-1224, and V-1226 are dual
Input One-Way Amplified Speaker assemblies for use
with any one-way or handsfree page control unit.
These speakers are for interior use only.
These instructions contain the specifications and
information necessary to install, operate and maintain
the Dual Input One-Way Amplified Interior Speakers.
SPECIFICATIONS
Applications
• One or Two-Way Page Controls
• Electronic Key System Page Ports (interface
adapter may be required)
• PABX Page Ports (interface adapter may be
required)
• Stand Alone Systems
• Existing 70V Paging Systems
• Background music systems
V-1226, V-1222, V-1224
Features
• Self-contained dual input amplifier and volume
controls
• 8 inch cone type speaker
• Operates on -24VDC
• All speakers wired with 3 pair station cable
• Screw terminals for all connections
Dimensions/Weight
• V-1220 - Ceiling Speaker
13.0" Dia. X 3.0" D
(33cm Dia. X 7.6cm D)
2.6 lbs. (1.18 kg)
• V-1222 - Wall Speaker
10.6"H x 9.7"W x 5.2"D
(26.92cm H x 24.63cm W x 13.20cm D)
4.4 lbs. (2.0 kg)
• V-1224 - Corner Speaker
10.6"H x 9.7"W x 6.3"D
(26.9cm H x 24.6cm W x 16cm D)
3.6 lbs. (1.63 kg)
• V-1226 - Corridor Speaker
10.3"H x 10.3"W x 4.2"D
(26.2cm H x 26.2cm W x 10.7cm D)
6.5 lbs. (3.0 kg)
2947221
Nominal Specifications
• Amplifier Input Impedance
1000 Ohms Nominal
• Amplifier Input Level -10dBm Nominal
• Amplifier Output 1 watt into 45 Ohm spkr load
Power Requirements
• Voltage -24VDC
• Current 50mA
Environment
• Temperature 0 to 50 Degrees C
• Humidity 0 - 85% non-precipitating
DESIGN
The Valcom Dual Input One-Way Amplified Interior
Speakers may be used to provide one-way paging
from one-way or talkback page controls. The
speakers provide a means for connecting one speaker
to two audio sources, making it easy to provide
features such as background music, group call, or
emergency override. These speakers can also be used
to expand existing 70V paging systems. When power
and the appropriate input signal are applied, voice
page can be made.
Page Control Access
When using the One-Way Amplified Speakers with a
Page Control, the following equipment will be
required:
• Appropriate one-way speaker assembly
• Page Control
• Power Supply sized to provide power to
operate the amplified speaker
assemblies and page control. (See
Figure 1 for Page System Block
Diagram)
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
• 25V or 70V line transformer tapped at
1/4 watt with an 8 Ohm output
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
AMPLIFIED
SPEAKER
FIGURE 2 - PAGE SYSTEM BLOCK DIAGRAM
V-1094A
*
* The V-1094A is recommended when using
Handsfree Page Control
SECOND
AUDIO
SOURCE
PAGE
CONTROL
POWER
SUPPLY
DUAL INPUT
ONE-WAY
AMPLIFIED
SPEAKER
FIGURE 1 - PAGE SYSTEM BLOCK DIAGRAM
3947221
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
AMPLIFIED
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-1222C, V-1224C - Wall Speakers: These wall
speakers 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.
V-1226C - Corridor Speaker: Corridor speakers
should be placed every 30 to 40 feet.
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.

Produktspecifikationer

Varumärke: Valcom
Kategori: högtalare
Modell: V-1222

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