ONE-WAY AMPLIFIED INTERIOR SPEAKERS
V-1220
DUAL INPUT
VSP-Dual Input One Way Amp. Spkrs
Issue 5
V-1226, V-1222, V-1224
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
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)
1 947221
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:
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 pa ging (See Figure 2
for a Backgr ound 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 cont rol unit.
•
Appropriate one-way speaker assembly
•
Page Contro l
•
Power Supply sized to provide power to
operate the amplified speaker
assemblies and page control. (See
Figure 1 for Page System Block
Diagram)
SECOND
AUDIO
SOURCE
DUAL INPUT
PAGE
CONTROL
POWER
SUPPLY
FIGURE 1 - PAGE SYSTEM BLOCK DIAGRAM
ONE-WAY
AMPLIFIED
SPEAKER
NOTE: When using Valcom Dual Input One-Way
Interior Speakers with a handsfree page control, it is
MUSIC
SOURCE
*
PAGE
CONTROL
FIGURE 2 - PAGE SYSTEM BLOCK DIAGRAM
* The V-1094A is recommended when using
Handsfree Page Control
V-1094A
POWER
SUPPLY
DUAL INPUT
ONE-WAY
AMPLIFIED
SPEAKER
2 947221
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