by Eeyore <rabbitsfriendsandrelations@[EMAIL PROTECTED]
>
Apr 29, 2008 at 04:26 AM
Adam Stouffer wrote:
> After reading up about tubes like the 316A or 368A they leave me with a
> few questions. Why are the filaments at such a low voltage with such a
> high current? 1.15v at 4.5 amps is pretty odd.
Since they have directly heated cathodes, any higher filament voltage
would
'skew' the chacteristics since the cathode-grid field would vary
significantly from one end of the cathose to the other.
Graham
