High-Power Siren System TWS295

Applications

The Electronic siren system are suitable for outdoor public warning and general alarm in any climatic conditions. As such our sirens have been installed in various places ranging from the snow covered inlands of Greenland to the hot and arid desert climate in the Kingdom of Saudi Arabia.

Features

5 omnidirectional modular speaker cells assembled in a vertical column
IP66 rated aluminum cabinet with a separate battery compartment
SPL 123 dB(C) @ 100’ / 30 m
TWS-295 speaker includes 5 pcs high efficiency EZ-PULLTM speaker drivers
Amplifier and speaker driver superior quality
15 m speaker cable included
Battery powered, minimum of 30 minutes of full power output with batteries of our recommendation
Temperature compensated 3-stage switch mode battery charger
Local or remote control / status
5 pcs high efficiency power amplifiers
Electronic siren controller featuring SI TEST® – Silent self-test / diagnostics
Alarm tone generator, automatic and live voice broadcast
Full status monitoring including low battery alarm, amplifier / speaker status
AC lightning arrestor included (antenna lightning arrestor included with TWS-RADIO option)
Six standard warning tones – Wail, Whoop, Attack, Hi-Lo, Alert, Airhorn
Optional customized warning tones
Type of amplifiers: Class D
Made of non-corrosive carbon fiber reinforced polymer. Non-metallic material
STI intelligibility index 0.99. Clear voice capability with high-quality frequency response

Specifications

Acoustic Performance
SPL @ 1 m	153 dB(C)
SPL @ 30 m	123 dB(C)
70dB range ISO 13475-1*	14,320 m
70dB range FEMA standard*	1,280 m
* ISO: 6 dB sound pressure reduction pr. doubling of distance (as per ISO 13475-1) ** FEMA: 10 dB sound pressure reduction pr. doubling of distance (as per FEMA guidelines)>
Environmental Specifications
Operating temperature	-35° C to +70° C
Storage temperature	-65° C to +125° C
Humidity, non-condensing	0 to 95%
Electrical Specifications
Battery charger input	Option of 120/240 VAC or 50/60 Hz
Battery charger output	28 VDC, 10A#
Batteries	2 pcs 12 V, AGM sealed. 100 AH. Sold separately
Standby current	82 mA, 24 VDC
Operating current	23 A, 24 VDC
Output power per driver (typical / max)	400 Watts / 600 Watts
Total output power (typical / max)	2000 Watts / 3000 Watts
Ordering Information
Product Description	Order No.
Speaker assembly and electronics cabinet	TWS-295
Options
Auxiliary activation / status control board for contact closure activation and status	AUXCS
Auxiliary activation board for contact closure	AUXIN
High efficient AC direct power supply unit	TWS-AC-PSU
GSM module	GV-GSM-RTU
Ethernet control / status interface	GV-IP
Giant Voice® Two-way landline control / status monitoring	GV-LLM
High standard radios in both analogue and digital versions with wide frequency range within both VHF and UHF	TWS-RADIO
Omni-directional visual lighting	TWS-VISUALERT
Top-mounted strobe light	TWS-TL31R
Giant Voice® Paging interface to interface with existing paging systems	GV-PGINT
Intrusion alarm	TWS-INTRU
Solar power	TWS-SBC200
Two pairs of batteries	TWSBATT
Sun shield for electronic cabinet	TWS SUN SHIELD
Customized warning tones	GV-TONES

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