Bosch PRAESENSA, Руководство по установке

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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