Chris Hornbeck wrote:

On Mon, 19 Dec 2005 05:05:36 +0000, Pooh Bear
wrote:

Heroic efforts at acheiving 1000 volt grid swings seem,
on balance, to be less worthwhile than the compromises
of split primaries.

Why any need for split primaries ? I'm talking about a single tube.

I see no trouble achieving the neccessary drive volts with clever design.
Indeed the simplest method uses a transformer.

So, basically, it seems that the idea hasn't been given a decent chance.

You're working your way through French and Japanese
thought of the 1990's. Still fashionable in some circles,
but current r.a.t fashion is to minimize the number
of transformers, while still demanding linear loadlines.

The transformer is simply one option.


BTW, if you accept signal transformers and all that
they imply, you're on a slippery slope to the Dark Side
of audiophoolery (to use your term). And Luke, I'm
not really your father.

So-called 'small signal' transformers have far fewer problems than their power
cousins. The number of turns may be a little on the high side though.

Actually on that subject - I got here partly on account of a related pro-audio
matter re : mic pres and subjective thoughts about their audio quality ( esp
when transformers are involved ).

Of course the *easy* way to get the grid volts is to use some semis. Makes it
a total breeze. I'm considering a hybrid since the use of semiconductor active
loads doesn't seem to incur so much wrath.


BTW, I *knew* you'd be interested in this stuff! Thanks
for all thoughts and arguments,

You're welcome. It's kinda intruiging.

Graham