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vintage_8bit · 25th Aug 2019, 7:53 pm

When you power up without the Thermocouple shunt. Make sure the amplitude is stable on EVERY frequency range. In my case several of the coil packs had internal breakdowns.

25th Aug 2019, 7:53 pm	#19
vintage_8bit Heptode Join Date: Feb 2013 Location: Rainham, Kent, UK. Posts: 525	Re: Marconi TF144H/4S When you power up without the Thermocouple shunt. Make sure the amplitude is stable on EVERY frequency range. In my case several of the coil packs had internal breakdowns.