Free 4-pole Filter Plug-In For Macs

US Prosoniq NorthPole AU is now available 14/01/09

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Prosoniq have ported their highly popular free NorthPole plug-in to the Apple AudioUnit format. Here's what they have to say about it...
This selectable LP/BP filter plug-in brings back the sound of the analogue era to your AudioUnit production environment - still for free! Released as a VST plug-in in 1997 this filter got rave reviews all around the world and was the first free VST plug-in to be available. Enjoy the sound of the 90s today!
NorthPole is a free effects plug in for AudioUnit compatible applications on the Macintosh. It adds a fully programmable virtual analog synthesizer filter with resonance, envelope follower and an integrated post-filter digital delay to your audio production environment.
This free plug in equips your AudioUnit environment with a fully programmable resonant filter. In short, you can send any of your audio tracks through this 'virtual analog' effects device to either create spezial effects or to simulate the behaviour of an analog 4-pole synthesizer filter.
Specifications:

24dB/Octave (4 pole)
variable Cutoff + Resonance
Lowpass/Bandpass switchable
Envelope Follower with adjustable sensitivity
Envelope attack/release times
Adjustable analog distortion
Adjustable digital delay after filter with time, mix and feedback
Pricing and Availability:
Free download More information: