Simplistic MosFET HV Shunt Regs

[king4joy]

Do you mean to connect one pair of the above between the output of the SSHV2 board and the anodes of the pair of VT-25A, replacing the loading resistors??

 

[euro21]

Yes.
Not exactly preamp (driver test), but similar as suggested.

 

[king4joy]

Where is the SSHV2 ??

 

[merlin el mago]

I guess between your PSU & the cascode CCS.

 

[euro21]

Where is the SSHV2 ??

 

[king4joy]

Where is the output please??

 

[king4joy]

I have tried using C4S boards from Bottlehead in that location before.....and now have gone back to resistors....I will certainly like to try this CCS now....thankyou....thankyou...

 

[king4joy]

Yes.
Not exactly preamp (driver test), but similar as suggested.

If for line amp, what CCS settings (V & mA) would you suggest to load the VT-25A please??

 

[RollE2k]

Where is the output please??

Output is between the CCS and the anode.

 

[king4joy]

Sorry....I mean from where (which point) of the above CCS do I connect to the anode....

 

[RollE2k]

The tube should be between the trim-pot and the ground. So the anode to "dot" below the pot.

This is is a better picture on how to connect it. - http://www.audiofaidate.org/uploaded/gluca/JJ.JPG

 

[merlin el mago]

Where is the output please??

 

[AndrewT]

Take out the shorting link, otherwise you will get no output current.

 

[euro21]

Felipe, I think your sketch a little misleading. Wire from output to ground unnecessary.

Sample: 12mA cCCS.

 

[AndrewT]

Who's Felipe?

I see only merlin el mago, RollE2k and king4joy posting that schematic in the last few postings.

 

[merlin el mago]

Now?

 

[king4joy]

Thankyou mago.....I shall try......

 

[king4joy]

Now?

mago.....how comes the output the same as ground??....

 

[RollE2k]

mago.....how comes the output the same as ground??....

The tube should be between output and ground, check my link above!

 

[king4joy]

understand......thankyou....I shall try.....