[sdiy] replacement transistor DB/parametric search

[Gordonjcp]

On Fri, Apr 16, 2021 at 12:30:15PM -0400, Michael E Caloroso via Synth-diy wrote:
> Sometimes no direct substitution is possible.  IE there are some
> package types that have been long obsolete.  There is one transistor I
> know of used in the Leslie 760/770 for which no suitable replacement
> has been found.

What's so unusual about it?

-- 
Gordonjcp