B&O Beolab 90

- B&O Beolab 90.jpg (293.91 KiB) Viewed 6566 times
Overview:18 state-of-the-art Scan-Speak loudspeaker drivers
14 channels of ICE Power amplifiers
4 additional class D amplifiers
8200 total Watts of musical power and precision – per unit.
Features:Analog Devices ADSP-21489 DSP
Burr-Brown PCM1798 Digital-to-Analog Converter
Texas Instruments PCM4220 Analogue-to-Digital Converter
Beam Width Control
Beam Direction Control
Resonance-based Sound Design
Phase-Optimised Filtering
Automatic Bass Linearisation (ABL) & Thermal Protection
Thermal Compression Compensation
Specs:*Note: Total System measurements performed with Sound Design set to “Flat on-axis” and Active Room Compensation disabled.Frequency Response: TBD (-10 dB, ref. 200 Hz - 2 kHz)
Frequency Range: TBD (-10 dB, ref. 200 Hz - 2 kHz)
Sensitivity:

- Loudspeaker Sensitivity.png (34.4 KiB) Viewed 6566 times
*Unweighted Sound Pressure Level (SPL) of the BeoLab 90 at 1 m in a free field (200 Hz – 2 kHz). Input signal strength: 125 mV rms. Volume Step: 90. All other parameters set to Factory Defaults. Note that the input signal strength on the XLR input is measured between pins 2 and 3.Maximum SPL: TBD (C) @ 1 m, on-axis
Self Noise (Digital input): TBD (A) @ 1 m, on-axis
Self Noise (Analogue input): TBD (A) @ 1 m, on-axis
Speaker Drivers:Tweeter: 7 x Scan-Speak Illuminator 30 mm
Midrange: 7 x Scan-Speak Illuminator 86 mm
Woofer: 3 x Scan-Speak Discovery 212 mm
Front Woofer: 1 x Scan-Speak Revelator 260 mm
Amplifiers (custom designed for BeoLab 90):For tweeters: 7 x Bang & Olufsen ICEpower AM300-X
For midrages: 7 x Bang & Olufsen ICEpower AM300-X
For woofers: 3 x Heliox AM1000-1
For front woofer: 1 x Heliox AM1000-1
Digital Signal Processor:
DSP type: 2 x Analogue Devices ADSP-21489 - 450 MHz
Sampling rate: 192 kHz fixed
Wireless Input (Master and Slave speaker):
• Wireless Power Link (24 bit / 48 kHz)
• WiSA (24 bit / 96 kHz)
Digital Input (Master speaker):
• USB Audio (24 bit / 192 kHz)
• S/P-DIF (24 bit / 192 kHz)
• Toslink (24 bit / 96 kHz)