LEN-20

Colours

Main features

The LEN-20 is a passive 100 volt 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 loudspeakers guarantee excellent speech intelligibility and high ranges even in difficult acoustics environments.

2 × coated 4" chassis
Uniform directivity
Suppression of unwanted side lobes thanks to Fohhn Source Division Waveguide
IP65 with installed "cable gland set" (included), in accordance with EN/IEC 60529
New: Flexible assembly thanks to the T-slot on the rear
Available in different colors (RAL Classic, Pantone, NCS) or with Fohhn Texture Design
To ensure optimal performance and operational reliability, Fohhn system amplifiers including the correct speaker preset are required.

Item number: 1806-XXXXX

Downloads

Downloads LEN-20

ZIP archive

User manual

Technical data

Physical features

enclosure

aluminum

dimensions (w × h × d)

133 mm × 233 mm × 128 mm

weight with transformer S

3 kg

front design

front grille with acoustically transparent 3D mesh fabric behind it

standard colors

black (RAL 9005), white (RAL 9016)

coating

powder coated

connectors

2 × 2-pin terminal block (for flexible and rigid conductors up to 3.3 mm²)

mounting points

continuous T-slot at rear

certificates

EN 54-24 type B

Electroacoustic features

Environmental conditions

Optional features

CAAD simulation data

weight: net weight without optional equipment
IP code: according to EN/IEC 60529
impedance 100 / 50 / 25 % tap: measured at a voltage producing 1 W per loudspeaker system
sensitivity in acc. to EN 54-24: at 1 W/ 100 V, maximum sound pressure level (SPLmax), measured in the far field of the loudspeaker, standardized to a distance of 4 m
100 V, measured in the far field of the loudspeaker, standardized to a distance of 4 m
nominal dispersion: −6 dB compared to the main dispersion axis, averaged 1 – 4 k