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Old 18th March 2010, 04:02 AM   #91
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Quote:
Originally Posted by apexaudio View Post
Then can be used two in series circuit
hello apex,

I will redesign the secondary part and make it +110v, +55v, GND, -55v, -110v
is that what you need?

regards,
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Old 18th March 2010, 09:08 AM   #92
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Originally Posted by savu View Post
hello apex,

I will redesign the secondary part and make it +110v, +55v, GND, -55v, -110v
is that what you need?

regards,
Yes, and 2x18V 500mA, but not bound.
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Old 18th March 2010, 04:48 PM   #93
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OP amp in VAS use only DC feedback, and work as buffer. Point A on one amp wired with point B on second amp for bgidge.
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Old 18th March 2010, 11:33 PM   #94
savu is offline savu  Romania
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Quote:
Originally Posted by apexaudio View Post
Yes, and 2x18V 500mA, but not bound.
hello apex,

I will try to design the PCB and publish the schematic this weekend. If it's all good I will start work on it next week. All I need is to get proper litz whire, aditional low ESR caps, and another ferrite core.

regards,
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Old 19th March 2010, 12:09 AM   #95
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Originally Posted by savu View Post
hello apex,

I will try to design the PCB and publish the schematic this weekend. If it's all good I will start work on it next week. All I need is to get proper litz whire, aditional low ESR caps, and another ferrite core.

regards,
If you need some help, I have SMPS electronic circuit...
Regards
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Old 19th March 2010, 12:20 AM   #96
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Hello apexaudio

Do you have some SMPS schematics that can be use with most class A/B amps ?

Thank

Bye

Gaetan
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Old 19th March 2010, 12:32 AM   #97
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Originally Posted by gaetan8888 View Post
Hello apexaudio

Do you have some SMPS schematics that can be use with most class A/B amps ?

Thank

Bye

Gaetan
Yes but I use wired ferite core of Behringer, and I dont know kind and number of turns.
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Old 19th March 2010, 05:46 AM   #98
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hi apexaudio
greetings work in progress

thanking you
andrew lebon
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Old 19th March 2010, 05:56 AM   #99
savu is offline savu  Romania
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Quote:
Originally Posted by apexaudio View Post
If you need some help, I have SMPS electronic circuit...
Regards
hello apex,

maby it would be some help. i have some experience in building smps. send post the schematic or send it by mail (savu_silviu@hotmail.com).

regards,
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Old 19th March 2010, 08:55 AM   #100
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hi apexaudio
greetings work in progress

thanking you
andrew lebon
Comutation diode SFA1603 in negative side have wrong direction, be more careful.
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