Power amplifier Technical data | en 31
Bosch Security Systems B.V.
Installation manual
2023-01 | V02 | F.01U.402.247
9 Technical data
Electrical
Output power 4Ω 8Ω 70V 100V
Rated output power
1
4 x 150 W
Maximum output power per
channel (power sharing)
1
300 W
Total rated output power
1
600 W
Number of channels 4
Output voltage rated output
power
24.5 V
RMS
34.6 V
RMS
70.7 V
RMS
100 V
RMS
Maximum output voltage 40.0 V
RMS
56.0 V
RMS
70.7 V
RMS
100 V
RMS
Rated impedance per channel 4Ω 8Ω 33.3Ω 66.7Ω
Minimum impedance per channel 2.6Ω 4Ω 16.7Ω 33.3Ω
Amplifier 4Ω 8Ω 70V 100V
Nominal Gain (+6dBu input
sensitivity, LEVEL 0dB)
24.0 dB 27.0 dB 33.2 dB 36.2 dB
Maximum Gain (0dBu input
sensitivity, LEVEL +6dB)
30.0 dB 33.0 dB 39.2 dB 42.2 dB
THD+N
(1/8 rated output power, 1kHz)
< 0.1 %
Crosstalk
(ref. 1kHz, 12dB below
maximum)
< -70dB < -75dB < -90dB < -95dB
Frequency Response
2
(ref. 1kHz, analog in to speaker
out, -3dB)
HP: 30/100/150Hz to
20kHz
LP: 30Hz to 150Hz
HP: 50/100/150Hz to
20kHz
LP: 50Hz to 150Hz
Damping Factor
(30/50Hz to 1kHz, ref. to rated
impedance)
>80 >160 >500 >1000
Output Stage Topology Class D, fixed frequency
Signal to Noise Ratio
(A‑weighted, ref. to rated output
power, LEVEL 0 dB)
> 98 dB > 100 dB > 101 dB > 103 dB
Output Noise
(A-weighted, LEVEL 0 dB)
< -68 dBu < -67 dBu < -62 dBu < -61 dBu