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RE: CCS in a circlotron???

Posted by Lew (A) on January 3, 2015 at 09:47:58

In Reply to: RE: CCS in a circlotron??? posted by Banat on January 2, 2015 at 13:57:56:

Thanks for your input re the CCS. I had some misgivings about the idea of putting such a high impedance into the circuit. Where John Broskie used a CCS in circlotron, he was imagining a circlotron with one power supply, and I guess the CCS takes the place of the other half of the circuit. (I don't know if he ever builds his schematics; he just puts them out there for others to build, mostly.)

Can you explain the rationale for bootstrapping? Why is it superior to using a CCS in the cathode of each driver section? I am running "Super Linear Cathode Follower" (a la Allen Wright), one each to drive each output tube of my 4-tube 7241-based output stage. The sound of the amplifiers was really improved with just a CCS on each driver section, but it got even better with the SLCFs.

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