[Hallicrafters] HT-33A

[Ross Stenberg]

http://www.w8ji.com/vacuum_tubes_and_vaccum_tube_failures.htm


> Wondering if I could get some advice on my HT-33A. The last time I had it 
> on the air was about 3-1/2 years ago. I'd like to fire it up again, but 
> have seen posts about PL-172s going gassy with disuse.
>
> Is there anything I should do other than plugging it in & turning it on to 
> avoid an unpleasant experience?