Philco 16B noise suppression circuit pot - Printable Version

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+--- Thread: Philco 16B noise suppression circuit pot (/showthread.php?tid=10301)

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Philco 16B noise suppression circuit pot - fields 100 - 08-16-2014

Does anyone know off hand the wattage of the #82 pot? It is 10K,it's bad and I have not powered the set yet to calculate it.

http://www.nostalgiaair.org/PagesByModel/139/M0013139.pdf

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RE: Philco 16B noise suppression circuit pot - Mondial - 08-16-2014

Look like the original is probably a 2 Watt wirewound?

Under normal operation, the pot dissipates only 0.16 Watt, but at turn on its quite a bit more. Before all the tubes heat up, there is almost 500 V across the voltage divider, and the pot is subject to about 100 V. Calculating the power (100 x 100 / 10000 ), it is 1 Watt under those conditions, so to be conservative I would go with a 2 Watt replacement

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RE: Philco 16B noise suppression circuit pot - fields 100 - 08-16-2014

That 's great. I have already ordered 5W, but was not sure. The original is wire wound. The new one will fit nicely.
Thanks.

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