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Old 14th March 2010, 10:10 AM   #81
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Originally Posted by oldmaelstrom2 View Post
Step Driver schematic from Zeck Audio power amplifier PT series?
Yes, step driver from Zeck PT-9 upgrade with extra higher voltage fets.

Last edited by apexaudio; 14th March 2010 at 10:34 AM.
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Old 15th March 2010, 09:51 AM   #82
qsa is offline qsa  Germany
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will add Class H Step Driver in Quasis NMOS Amplifier schematic

after finished schematic will upload here, lets check for faults

hope it will work
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Old 15th March 2010, 11:02 AM   #83
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Default power amp

hi qsa

greetings how is power amp n mos sounding and stability
trying to make it but gerber files to complicated any new modifications
please let us know will keep trying as i have all components
thanking you
andrew lebon
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Old 15th March 2010, 11:55 AM   #84
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Originally Posted by qsa View Post
will add Class H Step Driver in Quasis NMOS Amplifier schematic

after finished schematic will upload here, lets check for faults

hope it will work
I have no expirience with amplifiers in H or G class which using mosfet in output stage. With BJT have no problem.
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Old 17th March 2010, 04:26 AM   #85
savu is offline savu  Romania
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Quote:
Originally Posted by apexaudio View Post
Do anyone want to DIY something like that?
Hello apexaudio. I am concidering to DIY the amplifier after i will finish a 2KW SMPS project with my girlfriend (helping her to learn electronics for school). Thank you for the the PCB design.
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Old 17th March 2010, 10:36 AM   #86
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hi apex audio
greetings pcb ready inserting components some pics

thanking you
andrew lebon
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Old 17th March 2010, 11:24 AM   #87
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Originally Posted by andrewlebon View Post
hi apex audio
greetings pcb ready inserting components some pics

thanking you
andrew lebon
Nice work, dont forget wire jumper.
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Old 17th March 2010, 11:30 AM   #88
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Originally Posted by savu View Post
Hello apexaudio. I am concidering to DIY the amplifier after i will finish a 2KW SMPS project with my girlfriend (helping her to learn electronics for school). Thank you for the the PCB design.
I am interested about this 2kW SMPS, can it give 4x55V DC?
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Old 17th March 2010, 09:19 PM   #89
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Quote:
Originally Posted by apexaudio View Post
I am interested about this 2kW SMPS, can it give 4x55V DC?
the original schematic I will use actually delivers 2 x 60V dc. but it can be modified. i will keep you informed about the way things are going.

regards,
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Old 17th March 2010, 09:28 PM   #90
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the original schematic I will use actually delivers 2 x 60V dc. but it can be modified. i will keep you informed about the way things are going.

regards,
Then can be used two in series circuit
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