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RE: I'm starting to get a picture different than I thought it was

I had to model the first stage of that circuit to be sure what was happening. It appears to be a follower, not a CCS as I first supposed. Nearly all the output signal current is supplied by the MOSFETs. Seems pointless to have a tube in the circuit at all. Why not just build a MOSFET amplifier and save the cost and trouble of a HV supply? Definitely not something I would ever do... :)



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  Kimber Kable  


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