Technical Specifications; Total System; Preamplifier And Processor Section; Overall Specifications - Bang & Olufsen BeoLab 90 Technical Sound Manual

Technical Specifications

10.1 Total System

Note: Total System measurements performed with Sound Design set to "Flat on-axis" and Active Room Compensation disabled.
Frequency Response
Frequency Range
Sensitivity
Maximum SPL
Self Noise (Digital input)
Self Noise (Analogue input)
10.2 Preamplifier and Processor Section
In order to simplify comparison of BeoLab 90's technical data to other products, the information in this chapter has been divided into
three sections:
Preamplifier and Processor, equivalent to a surround processor, preamp or receiver
Power Amplifiers
Loudspeaker Drivers
Figure 10.1: A block diagram of the BeoLab 90 showing the comparative sections in terms of competing devices.
10.2.1 Overall Specifications
Note: Hardware-only measurement. All filters and equalisation bypassed or removed from signal processing for measurements.

Digital input to DAC outputs

Frequency Response 0 Hz to 40 kHz (+ 0 dB, -1 dB)
Frequency Range 0 Hz to 75 kHz (+ 0 dB, -3 dB)
THD+N 0.004% (997 Hz, -1 dB FS, 22 Hz – 20 kHz)
Dynamic Range 122 dB (A) (997 Hz, -60 dB FS, 20Hz – 20kHz, AES17)

Analogue input to DAC outputs

Frequency Response TBD (+ 0 dB, -1 dB)
Frequency Range TBD (+ 0 dB, -3 dB)
THD+N TBD (997 Hz, -1 dB FS, 22 Hz – 20 kHz)
Dynamic Range TBD (A) (997 Hz, -60 dB FS, 20Hz – 20kHz, AES17)
25.2 Hz to 28.1 kHz ( 1 dB, 1/3 octave smoothed)
12 Hz to 43 kHz (-10 dB, ref. 200 Hz - 2 kHz, unsmoothed)
see Section 8.1
XX dB SPL (C) @ 1 m, on-axis
XX dB SPL (C) @ 1 m, on-axis
XX dB SPL (C) @ 1 m, on-axis
BeoLab 90
Stereo Preamp Power Amps Loudspeakers
37