LEN-100

Voice Alarm

LEN-100

Item number: 1803-XXXXX

The LEN-100 is a passive 100 volt line source speaker certified according to EN 54-24 Type B for use in voice alarm systems. Like all products in the Voice Alarm series, it is equipped with a weatherproof, steel-reinforced aluminum housing, making it equally suitable for indoor and outdoor use. The LEN column loudspeakers guarantee excellent speech intelligibility and long ranges even in difficult acoustic environments.

Main features

8 × coated 4" chassis
Uniform directivity
Suppression of unwanted side lobes thanks to Fohhn Source Division Waveguide
Weatherproof without additional protection (degree of protection IP54 according to IEC 529 / EN 60529)
8 x M6 thread for safe installation
Available in different colors (RAL Classic, Pantone, NCS) or with Fohhn Texture Design
In order to ensure performance and operational safety, Fohhn system amplifiers including the correct speaker preset are required.

Colours

Fohhn technologies

Downloads LEN-100

All in one package

ZIP archive

3D sketchup files

Technical data

Electroacoustic features

acoustic design

weatherproof passive line source speaker system, closed, passive 2-way CD crossover and filter, suppression of side lobes by Source Division Waveguides

components

8 × 4" drivers with treated cones

sensitivity 1 W @ 4 m in accordance with EN 54-24

84 dB SPL

SPLmax 100 V @ 4 m in accordance with EN 54-24 (trafo S/M/L)

99 dB SPL / 102 dB SPL / -

transformer options, power handling in acc. with EN 54-24 100 V (trafo S/M/L)

80 W / 160 W / -

transformer options, power handling in acc. with EN 54-24 70 V (trafo S/M/L)

39.2 W / 77.8 W / -

impedance 100 % tap (trafo S/L/M)

125 ohm / 63 ohm / -

impedance 50 % tap (trafo S/M/L)

250 ohms / 125 ohms / -

impedance 25 % tap (trafo S/M/L)

500 ohms / 250 ohms / -

2-way design

yes

nominal directivity (h × v) (-6 dB, average @ 1-4 kHz)

130° × 15°

directivity (h × v) (octave band) in acc. with EN-54-24 @ 500 Hz

360° × 55°

directivity (h × v) (octave band) in acc. with EN 54-24 @ 1000 Hz

190° × 25°

directivity (h × v) (octave band) in acc. with EN 54-24 @ 2000 Hz

120° × 15°

directivity (h × v) (octave band) in acc. with EN 54-24 @ 4000 Hz

95° × 8°

Physical features

Optional features

CAAD simulation data

weight: net weight without optional equipment
sensitivity 1 W / SPLmax 100 V @ 4 m in accordance with EN 54-24: measured in the far field of the speaker, count back to 4 m distance
impedance 100 / 50 / 25 % tap: measured at a voltage producing 1 W per speaker system