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 Post subject: Speaker repair question
PostPosted: Feb Wed 07, 2018 3:17 pm 
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Joined: Jul Sun 08, 2007 9:40 pm
Posts: 3718
Location: Muscletown, USA
I restored a 1959, made in England, Metropolitan Nash car radio. The 4X6 speaker had a rubbing issue that I got rid of and the speaker is listenable but very low fidelity. So for fun, I hooked the radio up to another 4X6 speaker from a junked German radio. There was a tear in that cone and a bunch of holes like from a pencil point. Nevertheless, it sounded incredible! Just like a brand new car radio! I found a similar speaker at Parts Express that might fit but the owner is looking into sending it out for a recone. I gave him a guy's name that I used for myself once and he did a good job. He doesn't just replace the cone. Do the conditions in a car take a toll on the speaker? I've never had an old radio speaker sound as flat as this one.


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 Post subject: Re: Speaker repair question
PostPosted: Feb Wed 07, 2018 4:19 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 11780
Location: S. Dartmouth MA 02748-1225 USA
A closed vehicle can easily reach 120F for many hours in the summer. The atmosphere can be condensing as well as less than 20% humidity in the winter. there will be fumes as well. A conventional cone will last 3 to 5 years with a foam surround. A pleated paper surround will last a little longer. Sometimes insects get hungry too... A conventional cone could be treated, but as noticed, suffered in the fidelity. Any speaker will sound better installed into it's baffle...

BTW, be sure the re-coner can do oval cones...

YMMV

Chas


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 Post subject: Re: Speaker repair question
PostPosted: Feb Sat 10, 2018 8:11 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18228
Location: Warner Robins, GA
Check this site out.

http://www.turnswitch.com/speakers.htm


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 Post subject: Re: Speaker repair question
PostPosted: Feb Sun 11, 2018 2:38 am 
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Joined: Sep Mon 16, 2013 2:42 am
Posts: 2505
Location: Tucson, Arizona U.S.A.
Chas wrote:
A closed vehicle can easily reach 120F for many hours in the summer.

I've measured more like 160 to 170 F. That's why a pet or child left in a closed car can be dead in 10 minutes.

_________________
Jim Mueller


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