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SONFL1X-HO High Output Alarm Horn Sounder & Xenon Strobe

The SONFL1X-HO features the 105dB(A) SONF1-HO alarm horn sounder combined with the L101X Xenon strobe beacon. The compact, robust housing is ideal for all general signalling applications including fire, security and process control.

The 5 Joule Xenon strobe generates over 200 candela of light output. DC versions have multile flash rates selectable udring installation. Sounder & beacon may be connected from a single supply for simultaneous operation or from separate supplies for independent operation.


Maximum output: 105dB(A) @ 1 metre [96dB(A) @ 10ft/3m]
Nominal output: 103dB(A) @ 1m +/- 3dB - Tone 1 [94dB(A) @ 10ft/3m]
No. of tones: 10 (UKOOA / PFEER compliant)
No. of stages: 2
Effective range: 32m/105ft @ 1KHz
Energy: 5 Joules (5Ws)
Flash rate: 1Hz (60 fpm)
Peak Candela: 500,000 cd - calculated from energy (J)
Effective Intensity: 250 cd - calculated from energy (J)
Peak Candela: 86,935 cd* - measured ref. to I.E.S.
Effective Intensity: 200 cd* - measured ref. to I.E.S.
Lens colours: Amber, Blue, Clear, Green, Magenta, Red & Yellow
Tube life: Emissions are reduced to 70% after 5 million flashes
Voltages DC: 12Vdc; 24V dc
Ingress protection: IP66
Housing material: High impact UL94 V0 & 5VA FR ABS
Colour: Red (RAL3000), grey (RAL7038) & white.
Lens material: PC
Cable entries: 4 x M20 clearance gland knockouts in side & back
Terminals: 0.5 to 1.5mm² cables.
Operating temp: -25 to +55°C [-13° to +131°F]
Storage temp: -40 to +70°C [-40° to +158°F]
Relative humidity: 90% at 20°C [68°F]
Weight: 0.50kg/1.1Ibs
*SPL data +/-3dB(A). Measured at optimum voltage.
*Candela measurements representative of performance with clear lens at optimum voltage.

Part Codes

Version: Part code:
12V dc SONFL1XDC012[x]/[y]-H
24V dc SONFL1XDC024[x]/[y]-H
[x] = Housing colour: G: Grey, R: Red, W: White
y] = Lens colour: A: Amber, B: Blue. C: Clear,
G: Green M: Magenta,
R: Red, Y: Yellow
CPR - EN54-3 & EN54-23:
Part code: SONFL1XDC024[x]/C-H
Environmental class: Type B - for outdoor use
Visual range: Category W-2.4-4.8
Signal colour: Clear (1Hz)

Alarm sounder

Version: Voltage: Current :
12V dc 10-18V dc 50mA
24V dc 18-30V dc 80mA

xenon beacon

Version: Voltage: Current :
12V dc 10-14V dc 500mA
24V dc 20-28V dc 250mA

Tone Table

Stage 1 WAV file Frequency Description Stg 2
T 1   800/1000Hz @ 0.25 sec Alternating T 8
T 2   500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop T 1
T 3   1200/500Hz @ 1Hz - DIN / PFEER P.T.A.P. T 8
T 4   544Hz (100mS)/440Hz (400mS) - NF S 32-001 T 9
T 5   Bell T 1
T 6   800/1000Hz @ 7Hz Sweeping T 8
T 7   500-1200Hz 3.75sec /0.25sec. Australian Evac. T 10
T 8   1000Hz Continuous - PFEER Toxic Gas
T 9   Continuous 554Hz
T 10   420Hz @ 0.625 sec Australian Alert
Country specific or custom tone configurations and alarm frequencies are available upon request.