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Old 21st November 2010, 01:54 AM   #61
martincartagenero is offline martincartagenero
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this smps is design for verysel arslam.
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Old 31st July 2011, 09:05 PM   #62
parcare234 is offline parcare234
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hi guys...can i put instead of etd59 3 ei33 or more?...if yes...what power can i get with those?
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Old 1st August 2011, 06:01 AM   #63
luka is offline luka  Slovenia
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well yes, I guess you can, if each transformer can be made to work with your specs.
the power would be in the area of power of one core times how many core you would have
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Old 1st August 2011, 08:37 PM   #64
parcare234 is offline parcare234
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ok..thanks....i will try it next week and i will tell you how it works

all the best!
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Old 11th August 2011, 11:56 AM   #65
gxhcdba is offline gxhcdba
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hi looke at very good ,what's the transformer?
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Old 12th August 2011, 08:01 PM   #66
Leon08 is offline Leon08  Germany
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Very interesting project. I would like to build this power supply too.However I feel it need to be explained a bit more in detail especialy how to wind the transformer.
This is the most complicated and crucial part of this supply.
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Old 16th August 2011, 07:23 AM   #67
radio is offline radio  Macedonia
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Question 2x35V/5A SMPS supply !?

Hi all !
Very interesting topic, so please help me!?
I need a SMPS supply 2x35V/5A (project) for the audio amplifier with TDA7294/4om.
Give the suggestion that the power to choose!
thanks and cheers !!

Last edited by radio; 16th August 2011 at 07:27 AM.
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Old 16th August 2011, 08:18 AM   #68
jash2008 is offline jash2008  India
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Quote:
Originally Posted by radio View Post
Hi all !
Very interesting topic, so please help me!?
I need a SMPS supply 2x35V/5A (project) for the audio amplifier with TDA7294/4om.
Give the suggestion that the power to choose!
thanks and cheers !!
may be you can try this, it works great. I have modified this design for +-70 and tested on a 400watts amp whihout much heating. You may be required to decrease the no. turns and gauge according to your requirement

thanks
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Last edited by jash2008; 16th August 2011 at 08:25 AM.
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Old 17th August 2011, 04:59 AM   #69
radio is offline radio  Macedonia
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Quote:
Originally Posted by jash2008 View Post
may be you can try this, it works great. I have modified this design for +-70 and tested on a 400watts amp whihout much heating. You may be required to decrease the no. turns and gauge according to your requirement

thanks
Why modified this design for + /-70V, i need + /-35V for an amplifier with TDA7294!?
Question: Does this can be fed to drive amplifier with TDA7294?
thanks

Last edited by radio; 17th August 2011 at 05:01 AM.
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Old 17th August 2011, 05:47 AM   #70
luka is offline luka  Slovenia
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-/+ 50 v SMPS
Quote:
Originally Posted by radio View Post
Why modified this design for + /-70V, i need + /-35V for an amplifier with TDA7294!?
Question: Does this can be fed to drive amplifier with TDA7294?
thanks
and why not? just goes to show how much you understand this, and why you should not do it, it can kill you... I think you would be better off, with buying already made one
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