[BC] 4-400s Versus 833s

[Milton R. Holladay Jr.]

NO!  Two 807s did not produce quite enough drive and the modulation
compensated for it.
The BC-1F used an 813 and the RA-1000 used two of them and had plenty of
drive.
M
----- Original Message -----
From: "Tom Dimeo" <mwam at pa321.net>


> Is it correct that the driver for triodes had to be modulated
> to maintain proper linearity?  Was this the case for the
> 4-400s too?