The AL-80B manual and web site discuss an "optional' grid protection board I
believe they call it. I am the new owner of a used AL-80B and would like to
know how I can check if this "optional ' grid protection is in place or not.
As best I can tell this amp was new in 1997.
I have several photos of the inside on my site listed below. If anyone can
spot it or tell me what to look for I would be very appreciative. I got on
this matter after the amp kicked off a couple times on 40M phone. After
several moments it was OK again. I am guessing it was this optional circuit.
TY 73
Charlie
Ham Radio - AD5TH
www.ad5th.com
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