In Reply to: RE: Ultrasonic heaters! (again) posted by danlaudionut on October 29, 2014 at 06:40:10:
If i'm not mistaken those do not produce a square wave output unless modified?
I do use 12V computer switching supply to heat my tubes presently, via addition of a current regulator.
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Follow Ups
- Isn't this a computer-style regulated switching supply? - jorisdallaire 22:24:21 10/29/14 (0)