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tube fanatic

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  1. Keep in mind that the suppressor is only needed for pentode operation to keep the secondary electrons away from the screen.  Since the screen is tied to the plate in this amp, I think we are dealing with an academic point (obviously, triodes don’t have a suppressor since one is not needed).  So, it can’t hurt to have the mod in place as it will have no effect with the EL84 in the socket.  If anyone builds one of these, it would be an easy matter to put a switch across the cap to allow instant comparisons while the music plays when using a tube with the suppressor brought out to the socket.

     

    Maynard

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