any STK4038-ii builds?

Jasenlee · 21st December 2009, 01:25 AM

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

http://www.semiconductor-sanyo.com/ds_e/EN4546A_d.pdf

Jasenlee · 27th December 2009, 08:41 PM

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?

nik_p · 21st January 2010, 06:24 PM

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

Apex Jr · 21st January 2010, 07:21 PM

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.
steve.apexjr@prodigy.net

21st December 2009, 01:25 AM	#1
Jasenlee diyAudio Member Join Date: Sep 2009	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 http://www.semiconductor-sanyo.com/ds_e/EN4546A_d.pdf

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27th December 2009, 08:41 PM	#2
Jasenlee diyAudio Member 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?

21st January 2010, 06:24 PM	#3
nik_p 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

21st January 2010, 07:21 PM	#4
Apex Jr diyAudio Member Join Date: Jun 2002 Location: Torrance, Calif	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. steve.apexjr@prodigy.net

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