Notch Filter or Dynamat ?

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Feb 13, 2006 | 09:30 PM

Scott-89

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Burning Brakes

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From: North Central Indiana

Notch Filter or Dynamat ?

I am gathering some new stereo equipment to install in my 89. I am just going to add a new head unit and speakers at this point and not adding any amps or subs. I just want decent sound and my old bose system buzzes and whines so much I can't even stand to turn it on.

I have being doing some research and I have read a couple articles that advise putting in a 160hz notch filter for the door speakers. I have also read that you can help/fix this resonance problem with sound deadener.

I am using 6.5 inch speakers in the front and 6x9's in the rear. I am going to run extra wires incase I decide to add an amp and subwoofer later on.

So I guess my question is, do I need to add a filter to the front speakers or would I be better off adding some sound deadening to the doors instead ?

Thanks

Scott

Feb 13, 2006 | 10:08 PM

pentavolvo

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From: Dyer IN

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Ive done it with neither one, but I generally deaden when possiable... I have never used a notch filter

Feb 13, 2006 | 10:27 PM

DPG

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From: DP(oh you know where) IL

St. Jude Donor '06

if your stereo is buzzing, theres something there that you should check out. Check your ground wires and check your plug wires too.

Feb 13, 2006 | 10:31 PM

Scott-89

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Burning Brakes

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From: North Central Indiana

I am going to do a tune up as well, new plugs and wires. The old bose speakers sometimes take 15 minutes or so to kick on, I am sure they are shot. I am going to replace them with some Pioneer speakers and Pioneer head unit. I am also running new speaker wires.

Feb 13, 2006 | 10:36 PM

pentavolvo

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From: Dyer IN

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It should sound light years ahead of the bose you will be happy... feel free to ask questions ill be more then willing to help as well as other memebers as well

Feb 14, 2006 | 09:56 AM

knewblewkorvette

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From: Iowa

St. Jude Donor '03 thru '26

the old notch filter....wow I haven't heard that in awhile. I had a headunit back in the 80's with that button on it. With today's signal processors/equalizers the notch filter is no longer needed as that peak can be attenuated that way.
IMO, definetely do some sound deadnening on the door panels. Here is a link to the stuff I use.

http://www.b-quiet.com/index.html

and yes, as above, you'll be way ahead in SQ/SPL of the Bose even with the Pioneer HU and speakers

Feb 14, 2006 | 04:31 PM

Scott-89

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Burning Brakes

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From: North Central Indiana

Thanks for all the info

Feb 17, 2006 | 10:55 PM

Scott-89

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Burning Brakes

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From: North Central Indiana

Is there anything special I will need to install 6.5 inch speakers in the door ?

Do you have to gut the box that the old bose speaker/amp is in ?

Thanks