Wiardgroup

Oh Goodie!  Oh Goodie!

Please sign me up for the Boggie, too, when that happens!

Mike

--- In wiardgroup@yahoogroups.com, "grantrichter2001" <grichter@a...>
wrote:
> Since everone seems to like to use Paypal, I've added a Paypal 
> shopping cart to the Wiard 1200 series purchase page.
> 
> Or at least I think I did. I followed the directions anyway.
> 
> Next module is a Frac-Rac version of the Borg filter. Hamamatsu 
> has discontinued the Vactrols needed for the Boogie Filter. I 
> have a box of 100 of them, but that means I can only build 50 of 
> the Boogie Filters. I still want to do the Boogie filter because it is 
> hilariously phat, but will do the Borg first for practical reasons.
> 
> The Borg is going to be a 4.5" module and contains both a 
> Vactrol for smooth sound and an OTA for speed. It will have 
> voltage controlled resonance and an OTA output VCA.
> 
> The Vactrols do not close off as far as is expected today (about 
> -60 dB). There is also a "tail" do to the slow off isolation time. By 
> combining the Vactrol with an OTA, we have the best of both 
> worlds. Smooth, creamy filtering and acoustic simulation from 
> the Vactrol and snappy off time from the OTA.
> 
> It is probably not practical to make the VCA completely 
> independent. Sorry.