Overview
The ADP-2981 / ADP-2982 is a stand-alone wall or shelf mountable loudspeaker unit. Each unit houses and powers an 8-inch speaker and, in the case of the ADP-2981, a high-intensity strobe.
The unit utilizes FiberPlex FOI series modules to extend Public Address and Mass Notification systems via fiber. External audio signals such as voice announcements, music, a doorbell buzz, etc. are first connected to a FOI-2981 or FOI-2983. This FOI unit then transmits the signal via a fiber optic link to a FOI-4982, conveniently housed and powered by an ADP unit. From there the FOI-4982 drives up to 10 ADP units in a daisy chain.
Each ADP unit is equipped with an AC line-powered supply to drive the amplifier and supply DC power to an attached FOI module.
The ADP-2981 also contains a strobe annunciator, useful for areas with high background noise or those with hearing difficulties. A knob on top of the unit controls the volume threshold that the audio must exceed for the strobe to flash.
Typical Applications
Standard Mass Notification – Audio Daisy Chain
A typical link consists of either a FOI-2981 for line level audio or a FOI-2983 for 70V audio connected by a single fiber cable to a FOI-4982 installed into an ADP. The audio out of the FOI-4982 is connected to the ADP via an RCA cable. Additional ADP can be daisy chained using copper RCA audio cables. Up to a maximum of 10 ADP can be daisy chained for audio distribution.
Fiber Daisy Chain
To connect multiple ADP using a fiber connection, FOI-7280 can be used in ‘Broadcast’ mode. See user manual for FOI-7280 for more details.
ADP-2981:Amplified Speaker with Strobe
ADP-2982:Amplified Speaker without Strobe
- Provides power to a single FOI Module
- Accepts unbalanced line level audio from any FOI audio source including FOI-4982,
FOI-7280 or other FiberPlex FOI line level audio devices. - Backwards compatible with legacy FOI-2982 with optional spacer installed.
- ADP units may be linked on a copper audio daisy-chain scheme, up to 10 units long, with no unit configuration required.
- Using the FOI-7280, ADP units can be fiber daisy-chained
- The fiber optic isolator is accessible and removable through the front of the enclosure.
- One standard regionally-appropriate power cord is included with each panel.
- The AC mains fuse is of a common type and readily changed without disassembly of the unit.
- The unit can be mounted at a downward angle to facilitate better sound projection when mounted near the ceiling.
- The enclosure is durable, corrosion resistant aluminum alloy with an anodized finish.
ELECTRICAL SPECIFICATIONS | |||||||||
|
Min |
Typ |
Max |
Unit |
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Power Requirement |
Voltage Range |
90 |
110 |
250 |
VAC |
||||
Operating Frequency |
50 |
- |
60 |
Hz |
|||||
Supply Current |
13 |
25 |
55 |
mA |
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|
Min |
Typ |
Max |
Unit |
|||||
Audio Inputs |
Input Level (with max 1% THD) |
5 |
30 |
55 |
mVrms |
||||
Load Impedance |
- |
600 |
- |
Ω |
|||||
Frequency Response (±3 dB) |
200 |
- |
8k |
Hz |
|||||
Audio Outputs |
Output Level |
5 |
30 |
55 |
mVrms |
||||
Output Impedance |
- |
600 |
- |
Ω |
|||||
Speaker Output |
Sound Pressure Level |
- |
- |
109 |
dB |
||||
Audio Connectors |
RCA Type Phono Jack |
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|
Min |
Typ |
Max |
Unit |
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Environmental |
Storage Temperature |
-40 |
- |
85 |
°C |
||||
Operating Temperature |
0 |
- |
50 |
°C |
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PHYSICAL SPECIFICATIONS |
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Case Dimensions |
Length |
Width |
Height |
Weight |
|||||
ADP-2981 |
14.2 in (360 mm) |
3.97 in (20 mm) |
3.97 in (101 mm) |
15 lb (6.8 kg) |
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ADP-2982 |
11.8 in (300 mm) |
3.97 in (20 mm) |
3.97 in (101 mm) |
15 lb (6.8 kg) |
ADP-2981:Amplified Speaker with Strobe
ADP-2982:Amplified Speaker without Strobe
Datasheet | |
User Manual | |
Product Update Notification |
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CMA-3002 | Chassis Mounting Adapter for FOI type isolator |