PRAESENSA
*Amplifier, 600W 4-channel | PRA-AD604 | en
79
Bosch Security Systems B.V.
Installation manual
2019.11 | V1.00 |
Amplifier outputs
100
V mode, load 16.7
ohm // 20
nF
70
V mode, load 11.7
ohm // 20
nF
Other channels
100
V mode, load 33.3
ohm // 20
nF
70
V mode, load 16.7
ohm // 20
nF
600
W / 150
W
420
W / 105
W
300
W / 75
W
300
W / 75
W
Full to no load regulation
20
Hz to 20
kHz
< 0.2
dB
Frequency response
Rated power, +0.5 / -3
dB
20
Hz to 20
kHz
Total Harmonic Dist Noise (THD+N)
Rated power, 20
Hz to 20
kHz
6
dB below rated power, 20
Hz to 20
kHz
<
0.5
%
<
0.1
%
Intermodulation Distortion (ID)
6
dB below rated power, 19+20
kHz, 1:1
<
0.1
%
Signal to Noise Ratio (SNR)
100
V mode, 20
Hz to 20
kHz
70
V mode, 20
Hz to 20
kHz
>
110
dBA
>
107
dBA
Crosstalk between channels
100
Hz to 20
kHz
< -84
dBA
DC offset voltage
< 50
mV
Signal processing per channel
Audio equalization
Level control
Level control resolution
Audio delay
Audio delay resolution
RMS power limiter
7-section parametric
0 to -60
dB, mute
1
dB
0 to 60
s
1
ms
Rated power
Life line
Sensitivity (100 V out)
Mute attenuation
Signal to Noise Ratio (SNR)
0
dBV
> 80
dB
> 90
dBA
**Full voltage swing into maximum loudspeaker load for speech and music program material
(crest factor > 9
dB)
Power transfer
Power supply input A/B
Input voltage
Input voltage tolerance
48
VDC
44 to 50
VDC
Power consumption (48
V)
Sleep mode, no supervision
Snooze mode, supervision active
Active mode, idle
6.0
W
8.0
W
32
W
Summary of Contents for PRAESENSA
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