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Original Message
Pete Millett E-Linear amp too
Posted by PakProtector on February 14, 2009 at 07:39:48:
hey-Hey!!!,
That is another pentode input stage design. It can also be done with a cascode, and to preserve headroom, use a MOSFET on top of the triode. 5687/6H30 is a good place to start.
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.