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Old 25th February 2014, 09:17 PM   #81
Cobra2 is offline Cobra2  Norway
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Default This thread needs a picture...

The Sony-VFET amps...

Arne K
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File Type: jpg Pass_sony.jpg (88.6 KB, 634 views)
Don't believe everything you think...
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Old 25th February 2014, 10:39 PM   #82
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link Sony Vfet thread By Mr Nelson Pass :

Sony VFET Amps

Originally Posted by R-K Rønningstad View Post
Has Kuzuo Hirai ([url=]Kazuo Hirai - yet, so we can start sending him requests to start the wafer line for these trannies again?
Strong arguments in favor be necesaire

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Last edited by Soundhappy; 25th February 2014 at 10:53 PM.
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Old 26th February 2014, 10:38 PM   #83
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Default PCB usable for TO3 VFETs

I found these on ebay the other day, and thought they could be nice for my Paris of 28/82 VFETs.
High Power Amplifier Output Stage Bare PCB 1 Piece | eBay
Of course, I have some L-shaped, pre-drilled aluminium profiles to bolt on a larger heatsink. Typically, this PCB will most likely not match the holes on the L's.... These will give a nicer build than cabling. Redundant resistors on the PCB can be left out/replaced with jumpers.
Anyone tried this already?
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Old 26th February 2014, 10:54 PM   #84
Zen Mod is offline Zen Mod  Serbia
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with so many parts in SIT amp , who need pcb from Leacher ?

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 27th February 2014, 07:02 AM   #85
h_a is offline h_a  Europe
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Pretty cool Sony celebrates his amps with VFet amps build by Nelson
High Octane phono preamp Wiki
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Old 3rd March 2014, 06:10 AM   #86
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I just had both of my yamaha b1 s restored and just got them back yesterday. ..vfets are crystal clear for sure.
thanks John
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Old 5th March 2014, 12:33 AM   #87
Junm is offline Junm  Philippines
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Originally Posted by Cobra2 View Post
The Sony-VFET amps...

Arne K
can we ask Mr. Pass to show us the base schematic of this amp, if possible?
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Old 5th March 2014, 03:12 PM   #88
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Originally Posted by Junm View Post
can we ask Mr. Pass to show us the base schematic of this amp, if possible?
Oh, we should try harder we wee amateurs
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Old 7th March 2014, 10:06 PM   #89
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The article I wrote which contains that is due out shortly...

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Old 8th March 2014, 12:34 AM   #90
drjbf1 is offline drjbf1  New Zealand
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I hope that's a really short shortly ...
Why finish an audio project when you can start a new one?
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