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RE: Ultrasonic Link

This morning I measured the ac on just the 10 volts of dc for the 845 filament with the preamp disconnected from the 845 amp. It was only 2 mvac. This tells me I am ok with the dc filter I am using on the 845. However, when I hooked the preamp back up it jumped up 19 mvac. I think my problem has been the preamp all along, so I am going to concentrate on getting that down below 5 mvac and see what that does for me.


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  • RE: Ultrasonic Link - vinnie2 12:51:13 09/15/16 (0)

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