900W H-class PA Amp with Limiter - Page 4

apexaudio · 8th March 2010, 07:07 PM

IR2117 is the best choice to drive mosfet for H class, also circuit was simpliest than QSC.

sekhar · 8th March 2010, 07:24 PM

plz send me the schematic and the copper side pcb layout for this amp very much interested with high power amps.......
email id - ardhendu.san@gmail.com

regards
sekhar

qsa · 8th March 2010, 08:43 PM

@apexaudio

ok but is it stable working like QSC ?

apexaudio · 09:55 PM

IR2117 give circuits with best possible stability for driving mosfets. Uses in industry concert amplifiers.

sekhar · 8th March 2010, 10:05 PM

component values nt readable

apexaudio · 8th March 2010, 10:16 PM

Quote:

Originally Posted by sekhar

component values nt readable

This circuit is for example not for DIY.

gaetan8888 · 8th March 2010, 10:39 PM

Hello

What are all the rails voltages of your APEX H900 OUTPUT schematic ?

Thank

Bye

Gaetan

apexaudio · 8th March 2010, 11:00 PM

0,+/-60V,+/-120V max.

andrewlebon · 8th March 2010, 11:15 PM

hi apexaudio
greetings thank you for all your replies i WILL make your amplifier very much interested it will be my first h class project so i am reading all H CLASS amplifier circuits
to see how they work.thank you for the interest shown
thanking you
andrew lebon

apexaudio · 8th March 2010, 11:30 PM

Quote:

Originally Posted by andrewlebon

hi apexaudio
greetings thank you for all your replies i WILL make your amplifier very much interested it will be my first h class project so i am reading all H CLASS amplifier circuits
to see how they work.thank you for the interest shown
thanking you
andrew lebon

When you done first one in H class, you never come back on AB class for powerfull amps.
Regards Mile

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8th March 2010, 07:07 PM	#31
apexaudio diyAudio Member Join Date: Feb 2010 Location: Serbia	IR2117 is the best choice to drive mosfet for H class, also circuit was simpliest than QSC.

8th March 2010, 07:24 PM	#32
sekhar diyAudio Member Join Date: Jul 2009 Location: West bengal/siliguri	plz send me the schematic and the copper side pcb layout for this amp very much interested with high power amps....... email id - ardhendu.san@gmail.com regards sekhar

8th March 2010, 08:43 PM	#33
qsa diyAudio Member Join Date: May 2007	@apexaudio ok but is it stable working like QSC ?

8th March 2010, 10:05 PM	#35
sekhar diyAudio Member Join Date: Jul 2009 Location: West bengal/siliguri	component values nt readable

8th March 2010, 10:39 PM	#37
gaetan8888 diyAudio Member Join Date: Apr 2007	Hello What are all the rails voltages of your APEX H900 OUTPUT schematic ? Thank Bye Gaetan

8th March 2010, 11:00 PM	#38
apexaudio diyAudio Member Join Date: Feb 2010 Location: Serbia	0,+/-60V,+/-120V max.

8th March 2010, 11:15 PM	#39
andrewlebon diyAudio Member Join Date: Feb 2008	hi apexaudio greetings thank you for all your replies i WILL make your amplifier very much interested it will be my first h class project so i am reading all H CLASS amplifier circuits to see how they work.thank you for the interest shown thanking you andrew lebon