Taking a break from reading about mics and filters, I thought I'd ask what everyone's idea of an ideal tube unity gain stage was.
The conditions:
1) Line Level
2) Transformerless
3) Flat freq. response & stability
4) Minimal or no passive padding
5) Single stage - well double if you have to
6) simple K followers are not usually unity gain
Here's an interesting idea from the HeadWize page:
...And here's the thread
http://headwize.com/ubb/showpage.php?fnum=3&tid=6642
Here's some things at tubecad I've just started on:
http://www.tubecad.com/2006/06/blog0068.htm
http://www.tubecad.com/articles_2001/totem-pole_output_stage_psrr/
The conditions:
1) Line Level
2) Transformerless
3) Flat freq. response & stability
4) Minimal or no passive padding
5) Single stage - well double if you have to
6) simple K followers are not usually unity gain
Here's an interesting idea from the HeadWize page:
...And here's the thread
http://headwize.com/ubb/showpage.php?fnum=3&tid=6642
Here's some things at tubecad I've just started on:
http://www.tubecad.com/2006/06/blog0068.htm
http://www.tubecad.com/articles_2001/totem-pole_output_stage_psrr/