Sophonax
500+ Head-Fier
- Joined
- Jan 6, 2010
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I also notice that the driver resonance for the Focal cans are over an octave lower than the HD800's...
Yep, I suspect that's related to the compliance of the driver suspension. If you watch the video in the first post, the Focal drivers are very compliant and move easily with very little force applied, almost like they are floating. The suspension on most other headphone drivers is probably stiffer by comparison, contributing to a higher resonant frequency.
When I watch those Focal drivers move, and how much excursion they have, I'm a little surprised that the suspension is substantial enough to keep the voice coil laterally centered in the magnetic gap of the motor. It's a pretty impressive little speaker they've designed.
What does that actually mean for the sound? I have no idea