From quintosardo@yahoo.it Fri May 19 06:52:20 2006
Subject:RE: Need help to show how a different rotary speaker sounds

Yes, that is the point.
I'm sure that the current cheap technology brings this
a step forward.

This one is very easy to transport and more versatile
(you can set any rpm, any crossover, any number of
rotary speakers).
The frequency response can be very similar to vintage
ones if you want (by means of convolution) for free,
while you can set any different frequency curve if you
want new sounds.

I've tested it yesterday, comparing the clean sound
from a synth's "B3" sound to the one through this toy
there is a nice result.
This one should be far more than old similar attempts
because the tech is totally different.
Did the old ones divide frequency bands and rotate
them in the same 4 speakers with independent control
through convolution? Surely not.
Here the sound wobbles in the room...

The part that needs serious testing is the Doppler
effect and the chorus result. I'll test it inside a
box, I'll mic it (found tips on the net) and upload
the results.

In the meanwhile it would be nice if anybody wants to
record his Leslie to get impulse responses. This is a
freeware project, good results could be for everybody.

If anyone, I'll send a simple wav file to be played
through the Leslie and mic'd to get the IR in a few
minutes...
Then I'll send back the vst with the model inside...
it can be used for recording, too...

Quinto

--- NT ha scritto:

> Yes I used an Eminent Grand Theatre organ with this
> system built in, and I
> think the limitations in sound were due to the
> technical limits at the time,
> it sounded good, but as you stated not quite as a
> Leslie.
>
> Even Roland experimented with a similar system. I
> think with today's
> physical modelling it has a greater chance to sound
> like a real Leslie.
>
> -----Original Message-----
> From: CloneWheel@yahoogroups.com
> [mailto:CloneWheel@yahoogroups.com] On
> Behalf Of JdH
> Sent: 18. mai 2006 23:30
> To: CloneWheel@yahoogroups.com
> Subject: Re: [CWSG] Need help to show how a
> different rotary speaker sounds
>
> This experiment is already done
>
> by eminent/solina organ company from holland.
>
> it works but sounds not as a leslie.
> ----- Original Message -----
> From: Quinto Sardo
> To: CloneWheel@yahoogroups.com
> Sent: Thursday, May 18, 2006 9:12 PM
> Subject: [CWSG] Need help to show how a different
> rotary speaker sounds
>
> Hi :)
>
> I've built a system that should be useful to
> replace a
> Leslie. It is a 400W powered amp with speakers and
> it
> gets rotation in a different way.
> Details here: www.sknote.it ("RealLS").
> I'm impressed by the first sound tests. If it will
> show to be very good I'll build a "no-software"
> independent version.
>
> I would like to get a good take of the sound, can
> somebody interested in this experiment help me
> about
> recording techs?
> I can use:
> - 1 large dia multipattern condenser mic
> - 1 small dia cardioid condenser mic
> - 1 ribbon "8-pattern" mic
>
> Advantages of this toy should be:
> - easy to transport
> - no moving parts
> - efficient
> - cheap
> - very versatile (even for experiments like three
> or
> four horns)
>
> A link to a good document would be good, too.
>
> Thanks :)
>
> Quinto
>
>
>
>
>
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