The Neo Ventilator simulates a 122 model rotary cabinet, mic'ed up with a stereo pair on top for the treble rotor and a single mono mic below for the drum holding the woofer. Here's more details from Neo Instruments:
The Distance knob lets you move the virtual microphones closer in for lots of amplitude modulation with an intense stereo effect and further out to conjure more diffuse sounds with gentle modulation. Ventilator Features

• Faithful replication of the model 122 Leslie's® rotary effect
• Independent emulations of bass and treble rotors
• Faithful replication of the original's mechanical properties
• Speaker simulation emulating the 122's frequency response
• Same 800Hz crossover as the original
• Adjustable rotary speed and acceleration
• Drive section that simulates tube saturation in the Leslie's amp
• Variable placement of virtual microphones
• Relay-equipped true bypass circuit
• Speaker simulation may be switched off for guitar amps
• Port for a remote footswitch / half-moon switch
• Remotely switchable rotary stop
• Rugged die-cast aluminum chassis and recessed buttons
• Simple, straightforward analog handling

Pricing and Availability:
See website for dealers. More information:

• www.neo-instruments.de

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