UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Rather grim Thorn 1400

Maarten · 24th Nov 2022, 9:16 pm

Could it be a problem with the rated working voltage of the pot and/or the resistor?

Also, the rated dissipation of the pot might still be exceeded dependent on its setting as it actually varies with the setting.

Both fixed and variable resistors do have a SOA just as semiconductors.

24th Nov 2022, 9:16 pm	#13
Maarten Dekatron Join Date: Dec 2007 Location: Haarlem, Netherlands Posts: 4,203	Re: Rather grim Thorn 1400 - Marconiphone 4649 Could it be a problem with the rated working voltage of the pot and/or the resistor? Also, the rated dissipation of the pot might still be exceeded dependent on its setting as it actually varies with the setting. Both fixed and variable resistors do have a SOA just as semiconductors.