Re: [Amps] setting the grid adrift

[Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>]

What other tubes did they make? The only product I've ever seen or heard of 
from Cetron is the 572B/T-160L: it seems barely credible that anything other 
than a very small company (sort of 'all in your garage' size) would only have 
one product, yet that's what it appears. I doubt there was any call for 572Bs 
in any application other than amateur radio, so that would limit the sales a 
bit.
73
Peter G3RZP
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