From rmaccrea@verizon.net Fri Oct 23 08:02:07 2009
Subject:Re: OT: Hammond B3 Arrives Tomorrow!

Great sounding organ but there's one thing
> I don't like about it....the pedal tones. They're different for some
> reason. From about F to Ab, the bass kind of disappears. If I could
> change that, my CV would be perfect.

Try different amp and speakers? Could be a weak spot in the frequency response of your speakers. Try hooking up a borrowed Leslie or tone cabinet to see if this goes away?