From sgtpepper@rcsis.com Wed Oct 02 17:30:54 2002
Subject:Re: Chorale Effect

In the Leslies built after a certain date (in the early 60's I think), the
rotors had a slow and a fast speed, implemented by putting two motors on
each rotor, with an idler wheel between them. The fast speed is about 360
to 400 RPM, and is called Tremolo. The slow speed is about 40 RPM and is
called "Chorale." The "Chorale" sound is closer to what you get with a
stopped rotor, but it's different in a way that's hard to describe. Like
the difference between a guitar with a slow swirly chorus pedal and a
guitar played "dry." But that analogy only hints at what the Chorale speed
of a Leslie does to the sound of the organ or clone.

That's the short version of the story....

IIRC, your KBR3-D also has two speeds--right? Motion Sound actually
measured the speed of a Leslie Model 147's rotors to determine how fast to
make the MS rotors go. The RPM numbers I gave above are my recollection
of the numbers given in one of their posts (to this group, I believe).

---Steve

>
> I may never own a real Hammond or Leslie...
>
> but...
>
> I am trying to make some great Hammondy tones with a Motif8 (piano
> action, using dry outputs dedicated volume pedal) and a MS KBR3D.
>
> I have always loved the Hammond Leslie sound and the animation it
> provides in a live band situation.  I used to park a flanger stomp
> on my DX-7 and manually turn the speed control up and down to mimmick
> the fast/slow thing.  I played guitar in a 70's prog rock band that
> covered a lot of Yes Gentle Giant tunes and the KB player had an L- 100
> - with no Leslie - talk about dry.
>
> Anyhoo - sorry for the digress - I actually have a question.
>
> What is the Chorale effect and how does it work?  I seem to
> remember a Chorale button on one of the few Hammonds I have actually
> seen and this leeds me to believe that it is a organ function as
> opposed to a leslie thing.  Is it a modulation of the tonewheel
> speed?  Or is itjust the leslie going from stop to fast. 
> (this may seem daft but I've never actually got my mits on a real
> Hammond/Leslie)
>
> Is there anyway to get the same effect on the Motif/MS rig?
>
> I'd love to hear if anyone else is using this combination and find out
> what works/doesn't.
>
> While we're thinking of the MS gear - there are very few reviews to
> read.  The only ones I've found are on Harmony Central in the
> Guitars/Effects section:
>
> http://www.harmony-central.com/Effects/Data/Motion_Sound/
>
> It would be great if people could post some reviews to this
> link.  'Specially on the KBR3D ;-).
>
> Many thanks
>
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