[Amps] Alpha 86

[dj2001 at mn.rr.com]

Next time I have the cover off I'll look.  My AL-80A is SN 0156 so 
it's a oldie but goodie.  A neat amp for the money.

Dale K9VUJ




>  > What is a corona washer?  Do I need or want one on my AL80A bandswitch?
>
>The anti-corona washer is on the switch terminal from the 160 padder
>doorknob. The AL80 series all have them.
>
>That is the highest voltage point on the switch, and the washer distributes
>the electric field more evenly reducing the voltage gradient around the
>sharp points of that contact.
>
>This is the same reason you do not want sharp solder points on other leads.
>
>73 Tom