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Chevy HHR resonant freq


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  • 2 weeks later...

For peak SPL?

Changes slightly depending on a few factors.

Seat material (Cloth or Leather)

Sunroof or Not

Seat position

Woofer position

HHR Panel, Half Panel, or Standard.

So the range is usually 42Hz-46Hz for enclosures in the cargo area.

52-62Hz for forward firing No-Wall boxes at B-pillar.

60-65Hz for a B-Pillar Wall

46-53Hz for a C-Pillar wall.

Ed Lester

ShowtimeSPL Host

Showtime Electronics Video Marketing

My old Build Log
http://www.stevemead...08/#entry511451

http://www.youtube.com/showtimespl



TeamDeadlyHertz-HHREd.png


5 time dB Drag Finalist
Last ride 2007 HHR, current dB 153.5 and bass race 149.4 dB. 153.0 dB on music

New Ride, 2008 HHR SS. Build under way.
Loudest score ever = 171dB
2009 dB Drag Racing, North American Points Champion

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