Mircom SPS Series 4 Inch Speaker-Strobes Owner’s Manual
- June 9, 2024
- Mircom
Table of Contents
Mircom SPS Series 4 Inch Speaker-Strobes
Description
Mircom’s low profi le fi re alarm speakers are designed to generate attention
grabbing tones and voice commands for emergency signaling evacuation
applications. These highly efficient low profile speakers are available with fi
eld selectable taps from ¼ – 2 watts. The low profi le speakers are available
in two input voltage models 25 Vrms and 70.7 Vrms. The SPS series
speaker/strobe are designed with the new Select-A-Strobe. The strobe features
a unique candela intensity fi eld selector switch for switching the candela
output from 15/75 to 30/120 cd. The strobe housing is clearly labelled with
“FIRE” lettering and is polarized for connecting to supervised fi re alarm
circuits. The strobe is designed with a xenon fl ashtube and provides a candela
intensity fi eld selector switch for maximum performance.
The Strobe can be synchronized by using the SDM-240 sync module. The strobe
signals are listed for indoor use, ceiling and wall mount.
The SPS-Series speaker-strobe install easily using the surface or fl ush
backboxes.
Features
- 25 & 70 Volt line matching transformers
- DC blocking capacitor for line supervision
- Output power taps of ¼, ½, 1, and 2 watts
- Terminal block connection for speaker tap/output selection
- ULC listed for Wall or Ceiling mount
- Fire retardant cone material
- Strobe with two fi eld selectable settings 15/75 or 30/120cd
- Polarized strobes with wide listed voltage ranges using fi ltered DC or unfi ltered FWR input voltage
- Tamper-proof candela selector switch
- Strobe synchronization requires an SDM-240 Sync Module
- Round or square baffl es
- Available in a white housing
Specifications
The SPS-Series 4” Speaker-Strobes consist of a loudspeaker, 6 oz. magnet, a
low profi le constant voltage line matching transformer, a D.C. blocking
capacitor and an all steel speaker baffl e fi nished in an off white colour. The
25 and 70 volt transformers are of the matching type and include output power
taps of: ¼, ½, 1 and 2 watt(s). Tap selection is done using the speaker’s
terminal block. The speaker shall be approved for fi re alarm signaling use.
The signaling strobe’s candela output shall be fi eld selectable, having a dual
setting of 15/75 cd or 30/120 cd output. The signaling strobe shall operate on
24VDC from a non-coded regulated DC supply or full-wave rectifi ed, unfi ltered
supply. The signaling strobe shall be designed to produce a signal fl ash of
one fl ash per second with continuously applied minimum voltage. The SPS-Series
speakers shall be capable of WALL or CEILING mounting.
Output & Current Draw Table
SPEAKER
| INPUT VOLTAGE| POWER TAPS| COIL IMPEDANCE| UL
FREQUENCY RANGE| SPEAKER FREQUENCY RANGE| BAFFLE COLOUR
---|---|---|---|---|---|---
¼W| ½W| 1W| 2W
SPS-104A-25| 25V RMS| ****
85db
| ****
86db
| ****
89db
| ****
91db
| ****
8 ohms
| ****
400 Hz TO 4000 Hz
| ****
320 Hz TO 11000 Hz
| ****
OFF WHITE STEEL BAFFLE
SPS-104A-70| 70V RMS
SPS-204A-25| 25V RMS
SPS-204A-70| 70V RMS
dBA at 10ft. (3m) as measured in reverberant room per UL 1480. Meets or
exceeds 85 dBA at 10ft. (3m) in an anechoic chamber using highest wattage tap
per ULC-S541-1987.
Current Draw Table for STROBE only:
Average Current (mA) 24 volt models| Peak Current (mA) 24 volt
models| In-Rush Current (mA) 24 volt models
---|---|---
| 19.2V| 24V| 26.4| 19.2V| 24V| 26.4V|
19.2V| 24V| 26.4V
Candela| DC| FWR| DC| FWR| DC| FWR|
DC| FWR| DC| FWR| DC| FWR| DC| FWR|
DC| FWR| DC| FWR
15/75| 105| 132| 86| 111| 79| 107| 189| 225| 154| 220| 140| 220| 232|
260| 248| 280| 256| 288
30/120| 144| 164| 114| 132| 104| 125| 213| 245| 175| 235| 163| 235| 236|
264| 252| 350| 260| 293
The strobes are listed for indoor use with a temperature operating range of 32° F to 120°F (0°C to 49°C)
Mounting Options & Dimensions
Typical Wiring Diagram
Ordering Information
- Model Description
- SPS-104A-25 4” Round Speaker, 25 Volt with Select-A-Strobe, White 15/75 or 30/120 Strobe Candela
- SPS-104A-70 4” Round Speaker, 70 Volt with Select-A-Strobe, White 15/75 or 30/120 Strobe Candela
- SPS-204A-25 4” Square Speaker, 25 Volt with Select-A-Strobe, White 15/75 or 30/120 Strobe Candela
- SPS-204A-70 4” Square Speaker, 70 Volt with Select-A-Strobe, White 15/75 or 30/120 Strobe Candela
- IB-104 4” Flush Backbox for Round Speakers
- IB-204 4” Flush Backbox for Square Speakers
- IB-404 4” Surface Backbox for Square Speakers
- SDM-240 Series 200 Select-A-Horn/Strobe Sync. Module
NOT TO BE USED FOR INSTALLATION PURPOSES.
Canada
25 Interchange Way Vaughan, Ontario L4K 5W3 Telephone:
905-660-4655 Fax:
905-660-4113
Web page: http://www.mircom.com
Email: mail@mircom.com
U.S.A.
4575 Witmer Industrial Estates Niagara Falls, NY 14305
Toll Free: 888-660-4655 Fax Toll Free:
888-660-4113
References
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