Re Heath All Wave K1

[Deane McIntyre]

On 6-Mar-08, at 9:51 AM, <wa6mhz at cox.net> wrote:

>
>
> Wonder where you score a 12C8?  12A6s are fairly common, but 12C8s  
> are incredibly rare!
>
>

Actually the 12C8 is a rather common tube, due to the hugh number
that were available as WW II surplus (which is why heath used them
in their early kits along with the 12A6).

$1.40 each at Antique Electronic Supply for example

<http://www.tubesandmore.com/>

The 6B8 is a 6.3V heater version of the 12C8.

73,

Deane McIntyre VE6BPO

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