>
>As I´ve said before, its my belive that cheramical tubes such as 4CX250 wich
>acceps only small amounts of grid current (before they eventually die...)
>are not
>well suited for G2DAF circuit or GG !
I ran a 4cx250 for years on Class C telegraphy. Roughly 28mA of grid
current is recommended by Eimac under typical operation. // Norm's DAF
amplifier used less grid current. None of Norm's 4cx250 tubes suffered,
although many of us did. .
>
cheers
- Rich..., 805.386.3734, www.vcnet.com/measures.
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