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IMAX customized EQ curve

Immersiveman94

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Joined
Oct 15, 2025
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As a sound mixer, I’m just curious about how IMAX audio systems are calibrated. I’m aware about the bass management thing. Multiple questions I have:
1. What is the band pass filter for the subwoofer, is it 20-70Hz ?
2. How much gain and level of bass is sent in each channel ?
3. Does IMAX use a full range linear response or a alternate version of X-curve ?
4. What is the sound level of the subwoofer ?
 
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