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Chip Amps Amplifiers based on integrated circuits

any STK4038-ii builds?
any STK4038-ii builds?
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Old 21st December 2009, 01:25 AM   #1
Jasenlee is offline Jasenlee
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Join Date: Sep 2009
Default any STK4038-ii builds?

I recently picked up a Sanyo STK4038ii from Steve at Apexjr, and am interested in perhaps building a subwoofer amplifier using it. I am wondering if anyone here has built an amplifier with this chip, or if there are any alternative schematics other than the one included in the Datasheet. I would like to get as much power as I can out of the chip for my intended application. Thanks

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Old 27th December 2009, 08:41 PM   #2
Jasenlee is offline Jasenlee
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Join Date: Sep 2009
It seems that there is a lack of published/discussed builds for the stk chips. Is this because of the relative age of the chips (discontinued in '01), or may it be an issue relating to their sound?
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Old 21st January 2010, 06:24 PM   #3
nik_p is offline nik_p  Spain
diyAudio Member
Join Date: Feb 2009
hi there,i,ve made amplifiers using stk4040X and 4032X, 4032 has very nasty sound and distorts more than usual but 4040 is quite decent with very low distortion and goes up to 140rms without problem
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Old 21st January 2010, 07:21 PM   #4
Apex Jr is offline Apex Jr  United States
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Join Date: Jun 2002
Location: Torrance, Calif
any STK4038-ii builds?
I have both STK 4038 II and STK 4040 II in stock
these are not listed on the website yet.
This post reminded me to get it on the website
Anyone interested just PM me or email me

Steve @ Apex Jr.
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