TECHNICAL DATA
| ENGLISH
4.
TECHNICAL DATA
Fohhn Linea LEN
Passive column speakers for voice alarm systems
Datasheet
Model
LEN-20 T
Certificates
Number of 4" drivers with treated cones
2
2-way design
No
Sensitivity 1W @ 4m acc. EN54-24 [2]
dBSPL
79
SPLmax 100V @ 4m acc. to EN54-24 [2]
dBSPL
92
97
100
99
102
100
103
106
102
105
108
Transformer options, power handling acc. to EN54-24 100V
W
50
65
130
80
160
65
130
260
77,5
155
310
Transformer options, power handling acc. to EN54-24 70V
W
24,5
31,8
63,6
39,2
77,8
31,8
63,6
128,9
38
75,4
153,1
Impedance 100% tap [1]
Ohms
200
154
77
125
63
154
77
38
129
65
32
Impedance 50% tap [1]
Ohms
400
308
154
250
125
308
154
77
258
129
65
Impedance 25% tap [1]
Ohms
800
615
308
500
250
615
308
154
516
258
129
Nominal directivity HxV (-6dB, average@1-4kHz)
Deg
130 x 60
Directivity horizontal (octave band) acc. to EN54-24
500 Hz
Deg
360
1000 Hz
Deg
190
2000 Hz
Deg
120
4000 Hz
Deg
95
Directivity vertical (octave band) acc. to EN54-24
500 Hz
Deg
360
1000 Hz
Deg
120
2000 Hz
Deg
60
4000 Hz
Deg
30
Housing
Mounting points
4xM6
Protection class acc. to IEC529/EN60529
weight
kg
3
6,5
7,5
9
9,5
12,5
13
14,5
17
18
19,5
Width
mm
130
Depth
mm
120
Height
mm
230
Standard colours
Optional features
Custom colours
Weather protection
Terminal
CAAD Simulation data
Optional accessories
Wallbracket WAL-1
x
Wallbracket WAL-03
x
Wallbracket WLX-100
Wallbracket WLX-220
All measurements normalized to freefield full-space conditions
[1] impedance measured at a voltage producing 1W per speaker system
[2] measured in far field of the speaker, calculated to 4m distance
Acoustic design
weatherproof passive line source speaker system, closed, passive 2-way CD crossover and
filter, suppression of side lobes by Source Division Waveguides (SDW)
EN 54-24 Type B
Mechanical features
Electroacoustical features
Front design
ball impact resistant steel grille, galvanized and powder coated in enclosure colour backed
by acoustically transparent foam
terminal connectors capable of receiving up to 4mm2, two per pin, terminal cover with dual
cable gland for up to 10mm cable diameter
Terminal
8xM6
8xM6
8xM6
10xM6
all RAL Classic colours
EASE
x
640
black (RAL 9005) or white (RAL 9016)
120
130
120
130
120
weatherproof aluminium housing, powder coated, steel bracings
IP54
360
190
120
25
15
8
8
55
25
95
25
15
360
190
120
95
8
2200
x
x
990
x
x
1460
x
x
ceramic terminals capable of receiving up to 2,5mm2
weatherproof without further protection as standard
x
360
190
120
120
130
120
83
130 x 25
13
95
35
20
14
14
95
90
40
190
130 x 14
360
130
130 x 15
LEN-60 T
LEN-100 T
LEN-220 T
LEN-150 T
6
18
12
Yes
87
Yes
Yes
8
Yes
84
130 x 14
86
23