[Heathkit] SB-310 Modifications

[Chris Trask]

>
>     I'm once again considering making modifications to my SB-310.  A year
or
> so ago, I tried replacing the 6BZ6 RF Amp with a 6GM6 for better gain,
> noise, and linearity.  However, in some bands it liked to oscillate.  When
> not oscillating, the modification provided much better gain and noise and
I
> would like to return to this tube as a replacement.
>
>     I don't want to use the 6HS6 even though there was quite a bit of
> interest in it.  It's an expensive tube and reportedly had a short
lifetime.
> There's little advantage to using the 6CB6 except if you're operating in
the
> transition region, which is very unlikely.
>
>     Anyone know of a published modification using the 6BZ6?
>

    Ooops!  I meant published information about using the 6GM6 in the
SB-310.

Chris

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