Note: You are viewing an old revision of this page. View the current version.
Many people are lust for that Hammond Growl, a combination of Hammond, Leslie and distortion.
If you want just a little, the first step is to adjust the preamp output level of your organ. (Also, of course, you can adjust the level control on your Leslie(s).)
Some people have experimented with replacing various tubes in the preamp (and/or Leslie amp) with other higher gain tubes. I have not tried this. Reports from those who have have not been compelling.
KonZissis has designed and built a 12AX7 valve based circuit.
The content of this page is Copyright (C) 2000, 2001, 2002 Geoffrey T. Dairiki and
the other authors of the content, whoever they may be.
This is free information and you are welcome redistribute it
under certain conditions; see
http://www.dairiki.org/HammondWiki/opl.html for details.
Absolutely no warrantee is made as to the correctness of
the information on this page.