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Old 27th August 2012, 01:53 AM   #1
rlaury is offline rlaury  United States
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Default Hickok reference 6L6 for calibration..

Hi Group.
I started going through my Hickok 539B and checking the calibration.
I don't own a standard 6L6 tube. Looking around I found some for sale on Ebay.
It seems that most of these are made on another Hickok that's "supposed" to be perfectly calibrated. I've been thinking about setting up a test fixture with regulated supplies and current sinks to make my own calibrated 6L6 and ECC83.
Using the data sheet, and selecting good quality tubes and a few calculations, this shouldn't be a problem. Has anyone in the group tried this.
Any info appreciated.

RonL
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Old 27th August 2012, 02:49 AM   #2
TheGimp is offline TheGimp  United States
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I did it for my Mercury 1000 because there was no cal tube available.

Set up a fixture and measure a couple tubes yourself. It's 1940s Rocket Science.
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