Article - Sony VFETs part 1

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Sorry, Mr. Pass I did not express myself clearly, I was only a moment irritated that the
R5/R6 position was different in the upper and lower gate bias network of the CX1 PSU.
Once in the positive branch and once in the negativ branch....
Then I decided that you are right and that the position of this resistor is possible in both ways......
🙂
 
Hm, I think it is fine for me to have all these regulations and gate bias circuits in one place...
And very short distances....!

And I am normally a PTP fan.....BUT....

I do not know why..... Building a complicated amp circuit is pleasure for me even in PTP, but an easy Amp circuit and four PSU circuits is so dull....

I know it is not logical, but my feeling....

🙂
 
Here is a first proposal. The board measures 240mm*107mm. It bears all regulators an the input buffer. The jumpers J1 and J2 allow unbuffered balanced or buffered unbalanced mode.

Suggestions on improvements are welcome.

Hi Permaneder


Can this PCB have supplementary holes for fixing with screws on the chassis and L profile ?
This circuit have much weight with Jensen and 22000 uF capacitors on.
I don't see any in your final pcb CCS L'amp version and Vfet...
Thanks for Your great work !
Greetings 🙂
 

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SONY VFET

Hi Permaneder


Can this PCB have supplementary holes for fixing with screws on the chassis and L profile ?
This circuit have much weight with Jensen and 22000 uF capacitors on.
I don't see any in your final pcb CCS L'amp version and Vfet...
Thanks for Your great work !
Greetings 🙂

Yes. Not really necessay yet. The 2.2mm thick board is stiff enough.
 

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