[ARC5] 10 meter BC-454 a bit more

[Ian Wilson]

The 6EH7 / 6EJ7 are stellar performers (12.5k mA/V, and the data sheets
even talk about intermodulation). You could make an octal to 9 pin adapter
<g>.

73, ian K3IMW

On Wed, Mar 6, 2013 at 10:22 PM, Kenneth G. Gordon
>
> Not too shabby, but certainly not perfect either. I wish there was a tube
> with
> the transconductance of the 6AC7 (9K) or even the 6AG7 (11K), or better
> yet, the 7963 (13K), but which was a remote cutoff pentode type.
>
>