|[AMRadio] Heathkit DX-60 grid current drops|
w5jo at brightok.net
Thu May 27 11:21:34 EDT 2010
Brian the final is losing drive from the driver/buffer/VFO. Check all
tubes first then if that doesn't fix it you will be troubleshooting
under the chassis to find out what components may be changing value.
----- Original Message -----
> My Heathkit DX-60 grid current drops after a couple of minutes and
> will keep dropping more rapidly as I increase drive level. Eventually
> the tube plates glow red. I am tuning by the book.
> Any ideas?
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