Niles Audio PSW8 manual Features and Benefits, Inverted Dust Cap, Antiresonant Wave Bracing

Features and Benefits

Injection Molded TCC (Talc, Carbon and Ceramic) Woofer with Butyl Rubber Surround and Vented Pole Piece

The Niles PSW8 Subwoofer employs a newly developed cone material that com- bines injection molded polypropylene with talc, carbon and ceramic stiffening agents. The result is a cone that offers extreme stiffness and light weight for accu- rate, dynamic response. Additionally, the woofer employs a vented pole piece for increased bass linearity and a Butyl Rubber Surround for improved damping and clarity as well as moisture resistance.

Figure 1

Model PSW8 Shown

Inverted Dust Cap

The inverted dust cap feature of the PSW8 actually reinforces the cone to further increase the stiffness-to-mass ratio and reduce distortion. In a subwoofer applica- tion, this dust cap inversion offers the addi- tional benefit of reducing the “oil can” effect that can cause traditional woofers to pro- duce unwanted high frequency overtones.

Antiresonant Wave Bracing

The HD speaker’s baffle design employs specially molded ribs that increase the rigidity of the baffle and raise the resonant frequency so that less “out-of-phase” can- cellation takes place. Equally important, the ribs are curved and crossed to further shift vibration modes away from low-bass canceling frequencies. This keeps bass tones rich and dynamic.

New Construction Wings

Bracket

Frame

Speaker Baffle

IR Knockout

Grille

Features and Benefits

Figure 2

The PSW8 In-wall subwoofer includes an easy access, baffle mounted high-pass filter to prevent over-excursion of the satellite’s woofers. It also has an easy access, baffle mounted low-pass frequency selection switch.

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