PRODUCT MANUAL
Designed, Manufactured and Supported in the USA
COMMUNICATION & SECURITY SOLUTIONS
Add Paging, Loud Ringing and Background Music
to Centrex, PABX, IP, or Key Systems
Features
The PA-15 interfaces with virtually any telephone system
to provide 15 watts of paging power - enough to drive
fifteen 8-ohm paging horns or speakers. This small and
light weight chassis design is possible by utilizing new
amplifier technology that is 300% less inefficient than old
designs competitors use. High efficiency means much
less heat dissipation, smaller size, higher reliability, and
lower cost.
The PA-15 provides 36V talk battery for interfacing with
an FXO or unused analog line input/trunk port. With the
flip of a switch, the unit can connect to a FXS or
PABX/Centrex station ring trip port or connect to a 600
ohm paging port. When interfacing with systems that do
not provide a paging contact closure, the built-in voice
activation (VOX) is in control.
After paging, the PA-15 auto disconnects on CPC, busy
signal, silence, or default disconnect timer (helps prevent
accidental paging system lock-up if phone is hung-up
incorrectly). The unit will generate adjustable loud ringing
from an independent ringing analog FXS/PABX/Centrex
station or from a dry contact closure. The PA-15 can
provide background music (muted during page) if
connected to an external music source.
Replaces the CPA-7B, provides twice the power and
many new features (shown in bold below).
• 15 Watts of paging power
• Drive up to (15) 8-ohm speakers
• 600 Ohm output to drive additional amplifiers
• Select: FXO (loop start), FXS (ring trip) or paging port
(VOX relay) interface mode
• Independent volume controls for Paging, Ringing
Tones and Background Music
• 36V DC talk battery for interfacing with FXO or
unused phone system line input/trunk port
• Compatible with 24V to 48V FXS (ring trip) analog
station operation
• 1K Hz pre-announce page tone (on/off)
• Provides “Night Bell” warble tone via contact closure
or independent ringing analog circuit
• Choose one of four ringing sounds:
- Electronic warble (traditional loud ringer)
- Double gong (two identical “gong” tones)
- Quadruple chime (four descending chime tones)
- Door chime (ding-dong)
• Night transfer switch input
• CPC detection for immediate disconnect
• Busy signal detect disconnect
• Adjustable silence time out disconnect
• Programmable VOX trigger sensitivity and time out
• 16 to 72 second (or off, default) disconnect timer
• Page from virtually any POTS, Centrex, PABX, digital
or IP phone system
• Amplified loud paging
• Loud ringing
• Night bell
• Background music in all paging modes
• Loud ringing + door chime over paging
Power: 120V AC/13.8V AC 1.25 A, UL listed adapter
provided
Amplifier: 15 Watts - to power up to (15) 8-Ohm speakers
(cascadable to drive additional speakers)
Dimensions: 5.25” x 3.5” x 1.75” (133mm x 89mm x 44mm)
Shipping Weight: 3.0 lbs (1.36 kg)
Environmental: 32°F to 90°F (0°C to 32°C) with 5% to 95%
non-condensing humidity
Speakers: Viking 25AE, 30AE, 35AE, 40AE (DOD# 498) or
300AE (DOD 497) speakers, not included
Sound Pressure Level: 115 dB SPL @ 1m with (1) 25AE
paging horn (not included)
Talk Battery Output: 36V DC (loop current 36mA nominal)
Maximum Speaker Cable Length: 300 ft (91m) 18 AWG
Connections: 14 cage clamp screw terminals
PA-15
15 Watt Paging Amplifier
with Background Music
and Loud Ringing
April 26, 2018
Applications
Specifications
www.VikingElectronics.com
Information: 715-386-8861
VIKING
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