Bosch PRA-CSE - Page 95

PRAESENSA Amplifier, 600W 8-channel | PRA-AD608 | en 95
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 Distortion + 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
8.4W
38W