[sdiy] Hammond Vibrato Scanner

[Grant Richter]

Synchronous motors are controlled by the power line frequency.

They are used when you need a constant speed, like mechanical clocks.

There must be different models for 50 and 60 Hz.

On Jan 1, 2008, at 12:19 PM, anthony wrote:

> I've been thinking about doing things like an electromechanical  
> sequencer (an electroOPTICALmehcnical sequencer...) and such  
> myself. I have a couple of Hammond organs I could buy that are  
> almost beyond restoration.
>
> Doesn't the synchronous motor drive the scanner? What IS a  
> synchrinous motor anyway?
>
> ----- Original Message ----- From: "David Brown"  
> <davebr at earthlink.net>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Tuesday, January 01, 2008 1:25 AM
> Subject: [sdiy] Hammond Vibrato Scanner
>
>
>> I've always wondered what a Hammond vibrato scanner would be like  
>> interfaced to a modular synth.  I rebuilt a spare B-3 scanner and  
>> "jury rigged" it up today. The sample has some noise in it but  
>> does make a nice vibrato.  I'm thinking of trying it with various  
>> waveforms instead of just the delay line taps.
>>
>> Any else on this list tried anything with a vibrato scanner?  I'm  
>> thinking that if I come up with a nice variable-speed DC motor  
>> drive, I could drive a "Circle Machine" for the ultimate  
>> mechanical module.
>>
>> http://modularsynthesis.com/modules/DJB-scanner/scanner.htm
>>
>> Dave
>>
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>
>
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