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Class D Switching Power Amplifiers and Power D/A conversion

VERY HIGH POWER Class D to run from 12V
VERY HIGH POWER Class D to run from 12V
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Old 25th November 2004, 12:57 AM   #31
lumanauw is offline lumanauw  Indonesia
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My car has no sound deadening at all so if i deaden the car i hope this will gain me a dB or so
You do some plate stiffening (with resin+fibreglass mat) and sound damping (with asphalt mat) you could improve dB quite alot. Since you are in street class, put those in places like floor, window inner, that not too obvious. But remember, after putting those, your tuning frequency will slide a little. Have to re-tune the tuning frequency after sound damping.

Also look for holes anywhere inside the cabin and try to seal every hole related to outside air. Like cables/AC pipes usually have leakages.

Rigidness of your cabin is the key of gaining high SPL (with the right tuning, offcourse ). The good subwoofer is no.2. Power amp rating is no.3. So try to maximize it where ever you can, for limitation in your class.
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