You may be a bit harsh, Carl! I’ve lost two 8877s in the past half
century or so, and it was my fault both times. The first was when I
stupidly let the filament voltage drop way below specs, and the second
was when the blower on my Alpha 9500 failed and I didn’t notice for
two weeks. My workhorse homebrew amp, built in the 1970s, has an Eimac
8877 with a 1978 date code. Still full output, 4300V on the anode.
73,
Jim w8zr
Sent from my iPhone
>
> The 8877 is a fragile short life wannabee befitting an oxide cathode tube
>
>
> Carl
>
>
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