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Re: [motm] Re: yamaha filter question

2004-12-18 by Richard Brewster

That's interesting!  Now that I know this about the MOTM-480, I may have 
to buy a kit and put a custom panel on it.

-Richard Brewster  (buying a bigger house to make more room for MOTM)

The Old Crow wrote:

>  An MOTM-480 is two 12dB/octave filters with HP/BP/LP simultaneously 
>available internally, and with a spare 1U module panel and several 1/4" 
>jacks the remaining ones could be brought out.
>
>  480 is like this:
>
>               +---> BP out
>               | 
>         (HPF) | (LPF)   (HPF)    LPF
>   inputs--+---+---+   /---+---+---+---> LP out
>           |  BPF      |     (BPF)
>           |           |
>           +-----------/
>
>          (filter #1)     (filter #2)
>
>
>  The "BP out" isn't on a CS-80 voice, it was added because there was
>panel space and it is a useful signal.  However, it is simple enough to
>bring the four remaining (HPF#1)(LPF#1)(HPF#2)(BPF#2) signals out to
>jacks, and it is also (relatively) easy to use a switched jack to break
>the filter#1->filter#2 path for both audio in and CV in, creating two 
>completely independent filters.
>
>Crow
>  
>
>  
>

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