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In Reply to: 5V4 Warm up Time posted by sony6060 on December 26, 2016 at 06:37:13:
...The only definition of warm up time I've ever seen for consumer grade tubes was specific to the heater as applicable to series heater strings. No reference whatsoever to B+ "rise time" of consumer grade rectifiers or conduction within signal / power tubes. OTOH, specs for big industrial / transmitter tubes address the warm up issue indirectly by stating time period filament current (and cooling system) must be "on" prior to application of electrode voltages.
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Follow Ups
- What's the definition of "warm up" time and how should it be measured?... - Steve O 11:30:40 12/26/16 (0)