Dayton Audio DSA90-PR 3 Inch Designer Series Aluminium Cone Passive Radiator

• Perfect match for Dayton Audio's aluminium cone designer series drivers.
• Allows tuning small enclosures lower than using conventional ports.
• Rear mounted screw allows easy mass adjustment for custom tuning.
• Cosmetic frame edge looks great even when surface mounted.

The Dayton Audio Designer Series passive radiators are excellent general-purpose passives suitable for replacement or for new construction. Built to be a perfect match for the Designer Series drivers, these passive radiators feature the same steel frame, rubber surround, and anodised aluminium cone making them visually identical. Highlights * Perfect match for Dayton Audio's aluminium cone designer series drivers * Allows tuning small enclosures lower than using conventional ports * Rear mounted screw allows easy mass adjustment for custom tuning * Cosmetic frame edge looks great even when surface mounted Product details Dayton Audio DSA90-PR 3" Designer Series Aluminium Cone Passive Radiator The Dayton Audio Designer Series passive radiators are excellent general-purpose passives suitable for replacement or for new construction. A built-in mass disc offers a good starting point for most designs, and a convenient M5 threaded hole (screw included) allows different types of weights to be added if desired. Cosmetically and mechanically, these passives match Dayton Audio's Designer Series drives, with a black anodised aluminium cone and medium-roll rubber surround for clean excursion and long life. The possibilities with these passives are endless, from desktop two ways to portable battery powered speaker systems. Specifications: Fs: 43.7 Hz. Vas: 0.124 cu. ft. ? Qms: 5.72 ? Cms: 2.55 mm/N. Rms: 0.2 kg/s. Mms: 5 g. Sd: 31.2 sq. cm ? Xmax: 4 mm. Dimensions: Overall diameter: 3.63 inches, Cutout diameter: 2.76 inches, Depth: 0.86 inches. Note: Adding mass to the passive radiator will decrease Fs and increase Qms. 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