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Old 22nd February 2012, 06:15 AM   #31
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Originally Posted by vdi_nenna View Post
Is this a type of differential? See attached.
Yes, of course.
But it´s not from Nelson.

Otherwise it might have a balanced input.

Last edited by oliverniekamp; 22nd February 2012 at 06:19 AM.
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Old 2nd March 2012, 10:48 AM   #32
Skorpio is offline Skorpio  Denmark
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Originally Posted by oliverniekamp View Post
I´m quite curious about the F6.

If my memory serves me well it doesn´t have a balanced input, so the input stage might not be a differential amplifier.

As there are no compementary R100 devices available, there appears the question what solution Nelson had found.

A current source in the output stage without a differential input, so maybe using a different kind of feedback?

But a complementary input stage like F5 doesn´t seem make to much sense, while using a current source.

There were some solutions for push pull amplifiers using only n channell devices....
I am thinking more of a JLH style input with a JFET and perhaps a single ended output...
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Old 18th June 2012, 01:24 PM   #33
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I remember that in a thread comparing F6 to L'amp, Nelson said that it s not a current source design.
And in another one he said that in case we need more power, the F5T is the way. So my guess is that we will see a SET design

Could I please be excused with some more greediness and ask if we have any updates?
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Old 18th June 2012, 02:16 PM   #34
Zen Mod is offline Zen Mod  Serbia
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you want schmtc ?

I have , as always , leaked - unofficial one .........
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
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Old 18th June 2012, 02:18 PM   #35
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Yep seen that. Tried to apply it on my f5 but nothing happened... maybe my face/tongue is not high-end enough for that kind of awesomeness...
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Old 30th August 2012, 09:21 PM   #36
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Default World's End

As we all know, the world is going to end on December 23 of this year, so we'd better build fast !

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Old 31st August 2012, 12:59 PM   #37
flg is offline flg  United States
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Dec. 21st
"It was the perfect high end audio product: Exotic, inefficient, expensive, unavailable, and toxic." N.P.
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Old 31st August 2012, 04:35 PM   #38
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Thanks for the correction, I wouldn't want to have been unprepared.

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