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Old 30th May 2012, 12:19 PM   #741
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Looks very good Sonnya.
I am also interested if the drivers make any difference.
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Old 30th May 2012, 02:19 PM   #742
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Quote:
Originally Posted by Idefixes View Post
New tryout on pcb layout, i swap big caps out of board so the pcb mesure 100x56mm
Is this version OK to build?I'm asking cause I've the trannies
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Old 30th May 2012, 05:02 PM   #743
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Quote:
Originally Posted by meanman1964 View Post
Is this version OK to build?I'm asking cause I've the trannies
No beacause i swap on TSSA BIGBT HP

Marc
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Old 31st May 2012, 08:16 AM   #744
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Quote:
Originally Posted by meanman1964 View Post
Is this version OK to build?I'm asking cause I've the trannies
It's OK to build and test, especially in P2P first, to evaluate sound acceptability with your speakers. The mosfet outputs version was checked many times, so you can swap from bipolar to mosfets if the speakers are too low Z - demanding.
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Old 31st May 2012, 08:21 AM   #745
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Quote:
Originally Posted by Idefixes View Post
No beacause i swap on TSSA BIGBT HP

Marc
... something stopped you on the way
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Old 31st May 2012, 09:01 AM   #746
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Quote:
Originally Posted by Lazy Cat View Post
... something stopped you on the way
The sun.....and garden work.... So i need to mesure BC560/550 and KSA/KSC. I want to etch a new pair of board since Irf pinpad are not sufficient nice for me. Eagle introduce larger hole when you switch form screen to printer. So i modify library in consequence. When all that's achieved i need the implementation/test step procedure....

Marc
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Old 31st May 2012, 09:08 AM   #747
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Quote:
Originally Posted by Idefixes View Post
When all that's achieved i need the implementation/test step procedure....

Marc
Will do that
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Old 1st June 2012, 08:19 AM   #748
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Originally Posted by Lazy Cat View Post
The mosfet outputs version was checked many times, so you can swap from bipolar to mosfets if the speakers are too low Z - demanding.
Hi Busy Cat
I am a little lost...
please show schem of the the simplest version with mosfets OPT
thank you in advance
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Old 1st June 2012, 08:39 AM   #749
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Hi padamiecki

The simplest of them all is in post #1.

From there on you can go more complex as much as you like, for example, constant current sources to supply input BJTs emitter current etc.

Regards, Andrej
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Old 2nd June 2012, 08:11 PM   #750
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Sonnya, you tried to send me a PM but my box was full.
It should work now for a short while.
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