>> ** Do Emtron amplifiers use a filament-type tube or a heater-type tube?
>> I know of no heater-type tube whose mfg recommends limiting inrush
>> curent.
>
>The Emtron DX-2 Alek is talking about uses a 4CX1600B.
>There is no choice on the step-start because there is only
>one transformer that supplies everything in the amp. The
>PS filter contains 58 mfd worth of total C, so it is a prime
>candidate for a good soft turn-on.
>
>BTW, Rich, sitting proudly between the anode and the plate
>choke is a suppressor made from Nichrome wire.(3 resistors,
>and a "U" shaped wire)
>
Tnx, Phil. F. E. Handy, P.72 in the 1926 Handbook: "The combination of
both resistance and inductance is very effective in limiting parasitic
oscillations to a negligible value of current."
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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