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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: Elrog 300B

You can make any temperature with any wattage by choosing the wire size. Thus there are 7-watt light bulbs (drawing about 1.2A at 6.3v). They operate at the same temperature as 100-watt bulbs, just more surface area to make more light.

The issue is that the maximum emissivity of tungsten is much lower than oxide filaments. No one is saying what strategies Dr. Elrog is using, but there are several available.


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