Ambient Noise Sensor

ANS501

•	Automatically  adjusts paging level as ambient noise levels rise and  fall
•	Supports  up to 4 small sensor microphones (1 ANS500M included) for  large areas
•	Sensor  microphones can be located up to 2,000 feet from control  unit
•	Easily  connects in at pre-amp out -power amp in process  loop
•	Input/output:  600-ohm balanced, unbalanced

Voice-Activated Relay

VAR1

•	2  sets of C-Form (N.O. & N.C.) relay contacts respond to  audio activity
•	4  levels of input signals: microphone, 600-ohm line, 25V, &  70V speaker systems
•	Built-in  balanced, low noise, high gain microphone pre-amp
•	A  transformer-isolated, 600-ohm small signal level output of  detected audio available
•	Trigger  threshold adjustment

Tone  Generator

TG4C

•	4  types of tones: steady, pulsed alarm, slow whoop, and  chime
•	Tones  triggered by external contact closure (momentary or long  duration)
•	Choice  of continuous generation of tones or two-burst operation  (except for steady tone)
•	External  audio signal can pass through TG4C and is suppressed during  tone generation
•	Adjustable  tone level and pitch
•	600-ohm  output

Night  Ringer

NR100

•	Responds  to 90V ring signals or external contact closures
•	Produces  dual-frequency electronic ringer tone
•	Easily  connects to any paging system
•	Automatically  mutes background music while ringing
•	Ringer  volume control
•	Compact  size
•	Low  current draw

Talkback  Amplifier

TBA15

•	Hands-free  2-way conversations through the paging system
•	15W  of speaker power
•	Works  on 25V and 70V speaker systems
•	Adjustable  switching sensitivity control for switching from listen to  talk
•	Talk  Back and page volume controls
•	Mute  input forces amplifier into page  mode

Door  Phone

ADP1

•	Suitable  for indoor or outdoor station, door, or gate  communications
•	Secure  entry access to commercial, industrial, or residential  locations
•	Pushbutton  initiates the call at remote locations
•	Adjustable  microphone and speaker volumes
•	Adjustable  call timeout (15 seconds to 2  minutes)

Attenuators

AT10A,  AT35A 

•	Adjusts  loudspeaker output levels on 25V and 70V systems
•	2  models control up to 10-watt or 35-watt speaker  systems
•	10  attenuation steps and an off setting
•	Mounts  in standard electrical box
•	Simple  connections

Attenuators

ATP10,  ATP35

•	Bypass  feature allows emergency announcements to be heard at highest  level even if local speaker volume is set low or  off
•	Adjusts  loudspeaker output levels on 25V and 70V systems
•	2  models control up to 10-watt or 35-watt speaker  systems
•	10  attenuation steps and an off setting
•	Mounts  in standard electrical box

Line-Matching  Transformer

WMT1A 

•	Hi-Z,  10k-ohm primary impedance
•	Lo-Z,  600-ohm secondary impedance, balanced with center  tap
•	Matches  high-to-low impedance or low-to-high impedance
•	Adapts  line level signals to microphone inputs
•	RCA  connector for Hi-Z side
•	Screw  terminals for Lo-Z side