3½" ALUMINIUM CONE PASSIVE RADIATOR

DAYTON AUDIO

The Dayton Audio ND90-PR 3-1/2" passive radiator makes it easy to tune small enclosures lower without increasing overall enclosure size. With a one-piece aluminum cone, rubber surround, high excursion capability, and easily adjustable mass, this passive radiator is perfect for building extremely compact speaker systems capable of incredible low frequency output.

The Dayton Audio ND90-PR 3½" passive radiator makes it easy to tune small enclosures lower without increasing overall enclosure size. With a one-piece aluminium cone, rubber surround, high excursion capability, and easily adjustable mass, this passive radiator is perfect for building extremely compact speaker systems capable of incredible low frequency output. Suitable for ND series drivers.

Rigid black anodised aluminium alloy cone
High excursion capability: 18 mm peak to peak
Same "family look" as ND Series woofers
Adjustable mass for a vast range of tuning frequencies

Tune small enclosures with Dayton Audio's ND90-PR 3-1/2" passive radiator in speaker designs where a conventional port is not

Tip: As a general rule, the passive radiator(s) should have at least double the displacement of air (Vd) as the active woofer(s)/subwoofer(s) in the system. To calculate Vd: Sd x Xmax = Vd Read / Show More