The PR 18 is a soft compliance, high excursion passive radiator capable of moving massive amounts of air without the drawbacks of traditional ports. PR's allow for low tuning in applications where traditional ports are not practical. They also don't suffer from the vent noise associated with undersized ports.

To read more about Passive Radiators please check out our Passive Radiator FAQ!

PR18 Highlights:

• Soft compliance for optimal performance
• Capable of moving nearly 9L of air
• Cast aluminum frame
• Can be custom massed for any desired tuning

Standard units come with 1600gram Mms and have the following parameters.

• Fs: 4 Hz
• Qms: 85
• Vas: 1840 L
• Mms: 1600 g
• Sd: 1200 sq cm
• Vd: 9 L
• Xmax: 3" p-p

Custom massed units can also be ordered.