[AMRadio] Ranger Modulation


Jack Schmidling jack at schmidling.com
Thu Nov 16 14:19:29 EST 2006


Gary Schafer wrote:
> You can't reverse the plate leads on the modulator tubes

I nearly got out of bed in the middle of the night to do it but I waited 
till after breakfast.

> First check to see that you have proper grid current on the 6146.

2.5ma is what the manual says... no problem.


> Be sure the screen voltage is high enough on the 6146.

No problem.


> Try another 6146. 

Guess I should have ordered one of those also.

js

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