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Old 5th November 2003, 04:22 AM   #1
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Default DIY small car amps

Hi can you show me any links for this?i want a 2x20watt rms type of thing...

i DID have a site online,that used toshiba IC amps,but i lost it!!! it was a search in google,but i cant find it anymore

Thanks!
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Old 5th November 2003, 09:39 AM   #2
Immo_G is offline Immo_G  Australia
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Most car cd players do about 20wrms, friends one manual said 19wrms. I'd suggest pulling a dead one apart and seeing what chip they use. They use the cars power rail, no power supply stage, channels are just bridged.
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Old 5th November 2003, 10:45 AM   #3
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oooh if i can find one i will

my friend seems to accumulate used junk

id just like to make my own,and then put it together so i know how it works etc..

(doing an electrotechnology course)
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Old 5th November 2003, 11:34 AM   #4
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Jaycar do a TDA something (the only one they've got) that does 70w max of 14.4v (about 35rms). Its not really quality but does quite a good job.
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Old 5th November 2003, 12:48 PM   #5
bawang is offline bawang  Malaysia
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Gutted a blown MEI car amp yesterday and found out that it uses the Toshiba TA8210 IC. This amp WAS fully functional when I put it into storage about 7 years ago. Try to connect it up and smelled something exotic. Open it up and saw a blackened resistor...... Will troubleshoot it someday.
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Old 6th November 2003, 06:15 AM   #6
Alex S is offline Alex S  Singapore
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check out TDA7350, TDA7370, TDA7560 and siblings.
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Old 6th November 2003, 02:20 PM   #7
bknauss is offline bknauss  United States
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Tripath also has some nice looking multichannel chips. Some of them are more or less specifically for car audio.
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Old 1st December 2003, 08:24 PM   #8
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Have a look at http://www.st.com/stonline/products/selector/203.htm

This list contains many ICs amp: check out for the ones with 14.4 V "typical supply voltage" they're right made for car audio;

Bye
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