Actually I believe the Voyetra 8 uses 2044 filters.
The RSF Kobol Expander is another that uses the 2040.

On Jun 11, 2005, at 5:55 PM, pH wrote:

> The SSM2040 is one of my favorite
> filters, but it is used in many things. Probably best known for the
> Prophet
> 5 or Octave Voyetra 8. 

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