Bosch Appliances Whiteboard Accessories 20 Manual Do Utilizador

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INTEGRUS
| Installation and User Instructions | Technical data
en | 12
Bosch Security Systems | 2005-04 | 9922 141 70164en
4
Technical data
4.1 LBB 3222/04 6-Channel inter-
preter desk with loudspeaker
4.1.1 Physical characteristics
Mounting 
Table top or flush mounting
Dimensions (H
front
x H
rear
x W x D) 20-58 x 250 x 189 mm 
(0.79–2.28 x 9.84 x 7.44 inch)
Weight 
1.75 kg (3.85 lb)  
Finish Light 
gray 
4.1.2 Electrical characteristics
Frequency  response
125 Hz (-10 dB) to 12.5 kHz 
(-2 dB)
Rated equivalent sound 
< 32 dB
pressure due to inherent noise
Total harmonic distortion 
< 5%
at overload
Cross talk attenuation 
> 66 dB
4.2 LBB 3422/20 Integrus audio
input and interpreters module
4.2.1 Physical characteristics
Mounting 
Mounting plate and two screws
included
Dimensions (H x W x D)
100 x 45 x 231 mm 
(39 x 21 x 91 inch) 
Weight 
188 g (0.41 lb)
4.2.2 Electrical characteristics
Audio input level with AGC
-16.5 dBV (150 mVeff)
to +3.5 dBV (1500 mVeff)
Audio input level without AGC
-4.4 dBV (600 mVeff)
Asymmetric input impedance 
≥ 10 kOhm
DC input impedance
≥ 200 kOhm