Specifications

Audio/TechnicalSpecications
Switch mode, Class D amplier (40 Watts)
Speaker Outputs
25V, 70.7V or 100V power limited
Frequency Response
Voice: 275 Hz – 6.5 kHz
BGM: 100 Hz - 15 kHz
Meets UL Voice Evacuation
Requirements of 800 - 2800 Hz
Signal to Noise Ratio better than 65 dB
Dynamic Range better than 65 dB
Total Harmonic Distortion less than 2%
Stand by Current Draw 130 mA
Alarm Current Draw 4.7 amps
Inputs – Audio and Activation
Priority Ordered Inputs
Priority
Level
Type of Input
On Board Microphone 1 Push to Talk (PTT) Microphone
Auxiliary 2 Remote Microphone or Remote Microphone Expander
Digital Message Input 1 3
Contact Closure activation
Digital Message Input 2 4
Digital Message Input 3 5
Digital Message Input 4 6
Digital Message Input 5 7
Digital Message Input 6 8
Digital Message Input 7 9
Digital Message Input 8 10
Night Ringer Input 11 Contact Closure input
Telephone Paging Input 12 Page port input
Background Music Input 13 Line Level Input, 600 ohm, input voltage must be less then 2.5 V peak to peak, or .3 volts RMS
Compatible Wheelock Products
All Wheelock Speaker/Strobes
All Wheelock Strobes
All Wheelock Speakers
All Cluster Speakers
Wheelock Strobe Power Supply
Live & Pre-recorded Message Announcement
Supplied with 8 pre-recorded emergency messages
Capable of in-eld recording of all messages via 1/8” line level audio input
jack
Preset audio levels for emergency messaging (prerecorded and live mic) -
system reverts back to a pre set level regardless of the volume set for BGM
or general paging
On board Push-to-Talk Microphone
Telephone paging input, disconnects BGM when in use
Auxiliary input for Remote Microphone connection
Installation/Maintenance
Multiple trouble LED indicators for quick system diagnostics
Fully supervised circuitry always in effect – even during BGM and
general paging (via patent pending technology)
Removable quick connect/disconnect terminals for ease of wiring,
accepts #12 to #22 AWG
Power limited circuitry with Class “B” or Class “A” wiring. Class “A”
only with use of Audio Splitter
Surge protected circuitry
Audio and strobe power limiter reset button
Power Supply & Batteries
24 VDC, 33AH Max rechargeable battery back-up power circuitry
built-in
Batteries can be housed in the enclosure (Up to two (BAT-1212),
12 volt, 12 ampere hour batteries can t in the enclosure.
Actual battery size required will depend on speaker and/or strobe
load. Batteries are sold separately).
Benets of the Multi-Function SP40S-D
One System Multi-Function DoD Facility Communications System
Background Music (BGM) system, with patent pending supervision during
BGM operation
Supervised Emergency/Fire Voice Evacuation System
Interfaces with telephone system for general paging requirements
Built in power for visual notication appliances e.g., Strobes
Expandable for larger system requirements (with optional equipment)
Audio Processing
Volume and tone controls for general paging and BGM
Connectivity of optional speaker splitter modules
Dual-tone tone generator with: Code 3 Tone and Slow Whoop for alerting
of system trouble
Night ringer/security alerting capability
Audio power can be expanded by connecting to optional audio power
boosters
-SPB-80/4 80 Watt Supervised Audio Power Booster with 4 Amp
of Synchronized Strobe Power
-SPB-160 160 Watt Supervised Audio Power Booster
-SPB-320 320 Watt Supervised Audio Power Booster
3
Mechanical
Dimensions
21” H x 16” W x 6” D
(wall mount)
Weight
36 lbs.
(without batteries)
Finish
Red or black exterior
enclosure
Door Lock Wheelock Key-lock