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Author Topic: COLLINS AN/ART-13 LOW GRID CURRENT ISSUE  (Read 596 times)
IW5CI
Member

Posts: 37




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« on: January 23, 2013, 05:40:57 AM »

I am finishing the restoration of my AN/ART-13 trasmitter.
I have strong Grid current and power in all bands except those where the second multiplier operates. The 1625 tube is OK and i have already tuned the C115 Capacitors at their best (and got for 3 times 400V on mu hands!). so i have more that 100W in low bands <6mhz but only 45W from 7 to 18 mhz. (with 800V of HV )
Do you have any suggestion or did you ever encountered this problem on an/art-13?
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