Christie Vive Audio LS4S Инструктивный лист - Страница 4
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High pass and low pass filter for LFE
subwoofer
Surround bass management crossover settings
For bass managed surround systems, adjust the balance of low and high frequency crossover output
levels to achieve the flattest response for audio system and environment, before using any other
equalization. The exception is Dolby Atmos surround systems, which do this automatically.
Speaker series
Low frequency crossover for
subwoofer
LA and LS
Subwoofers: S115 or S215
High pass filter: 24 dB/octave Butterworth
at 25 Hz
Low pass filter: 24 dB/octave Butterworth at
80 Hz
Adjust the relative level of the speaker and subwoofer for the flattest response for the audio system
and environment that it is installed in.
For all Dolby Atmos system installations, the relative level between speaker and subwoofer is set
automatically by the Dolby provided calibration system.
In general, a subwoofer provides approximately +2.5 dB to +3 dB SPL of additional output used with a
surround speaker in a system.
Surround high pass filter settings (optional)
The LA series and LS series surround speakers can be used with full range input signals, or with bass
management.
However, when bass management is not used, we recommend using an optional high pass filter for
optimal efficiency and performance.
Speakers
LA3S, LA3C, LA4S, LA4C, LA5S and
LA5C, as well as LS1S, LS2S, LS3S,
LS4S, and LS5S
Technical support
Technical support for Christie products is available at:
•
North and South America: +1-800-221-8025 or [email protected]
Recommended Crossover and Filter Settings Instruction Sheet
020-101405-04 Rev. 1 (06-2018)
Copyright
2018 Christie Digital Systems USA, Inc. All rights reserved.
©
Recommended crossover and filter settings
Relative level between LFE subwoofer and
speaker
Approximately equal to LFE Channel SPL: +5 to +6 dB
above SPL of center channel, measured broadband, SPL
meter, C weighted/slow response, at standard 2/3 room
length reference, after level/equalization adjustments
are made.
High pass filter
24 dB/octave Butterworth at 40 Hz
High frequency crossover for
speaker
Speakers: LA3S, LA3C, LA4S, LA4C, LA5S,
LS1S, LS2S, LS3S, LS4S, and LS5S
High pass filter: 24 dB/octave Butterworth
at 80 Hz
Low pass filter: Off (equal to 20 kHz on
Digitool)
Low pass filter
None
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