[Milsurplus] BC-9A replica

[Kenneth G. Gordon]

On 13 Feb 2017 at 12:11, Al Klase wrote:

> Take a look at triode-connected audio-output tubes like 3V4, 3A4, etc.  
> 3A4 would be my starting point. - Al

Yes. In fact, I was looking very hard at the 3A4 and 3Q4 last night, Al.

Thanks,

Ken W7EKB

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