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Old 23rd Sep 2020, 8:09 pm   #11
Sideband
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Join Date: Oct 2003
Location: Croydon, Surrey, UK.
Posts: 7,567
Default Re: Power Supply for AC/DC portable

Well you can tweak the final output down to 90V if necessary by adjusting the series resistor. I wouldn't want the LT any higher though. The 1.4V filaments are rather critical.
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