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Old 8th March 2010, 07:07 PM   #31
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IR2117 is the best choice to drive mosfet for H class, also circuit was simpliest than QSC.
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Old 8th March 2010, 07:24 PM   #32
sekhar is offline sekhar  India
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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
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Old 8th March 2010, 08:43 PM   #33
qsa is offline qsa  Germany
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ok but is it stable working like QSC ?
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Old 8th March 2010, 09:43 PM   #34
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IR2117 give circuits with best possible stability for driving mosfets. Uses in industry concert amplifiers.
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Last edited by apexaudio; 8th March 2010 at 09:55 PM.
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Old 8th March 2010, 10:05 PM   #35
sekhar is offline sekhar  India
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component values nt readable
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Old 8th March 2010, 10:16 PM   #36
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Quote:
Originally Posted by sekhar View Post
component values nt readable
This circuit is for example not for DIY.
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Old 8th March 2010, 10:39 PM   #37
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Hello

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

Thank

Bye

Gaetan
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Old 8th March 2010, 11:00 PM   #38
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0,+/-60V,+/-120V max.
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Old 8th March 2010, 11:15 PM   #39
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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
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Old 8th March 2010, 11:30 PM   #40
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Quote:
Originally Posted by andrewlebon View Post
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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