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Re: Active noise cancellation in an '02? (archive)

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Posted by Dave on September 08, 1999 at 20:55:16:

In Reply to: Active noise cancellation in an '02? posted by Josh on September 08, 1999 at 17:30:59:

Those systems cost a mint. I hope you are asking academically. If I recall, they use some sort of signal which for whatever reason negates the sound waves coming from the engine/tranny vibes.

And this in VERY quiet, high end, very insulated cars. I'm sure someone would be interested in trying it for you, for the tune of $100,000.

In fact, I think it's impossible to do it in a car like an '02. It only works in the cute cars because they are already almost "silent".

If you want to try to make it quieter, buy a shitload of Dynamat and layer your floor, firewall, and doors with it. And yer still gonna have a loud car.

FWIW,

Dave
'76 2002, loud pipes save lives ;)
http://drive.to/BMW2002

: Has anyone ever investigated the free-standing (as opposed to headphones) active noise cancellation systems to install in a vehicle? I've noticed that the headphone based systems have dropped in price to about $60. I also know that there are companies that specialize in designing a system for your airplane, but presume they are pretty expensive being custom and airplane related. The Infinity Q-45 and J's had a noise cancellation system as an option a few years ago. I bet it would do wonders to drown out my infernal ANSA. Any experiences or suggestions?

: Josh
: '72 BMW 2002tii
: '94 LR Defender 90




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