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PEX Dayton Audio RSS390 PR 15" Reference Series Aluminum Cone Passive Radiator P8511523PEX-295-504 https://cdnimages.opentip.com/full/PEX/PEX-295-504.jpg Dayton Audio RSS390 PR 15" Reference Series Aluminum Cone Passive Radiator Manufacturer Part Number: RSS390-PRDayton Audio\'s RSS390-PR 15\" passive radiator is the ideal choice for tuning small enclosures lower than possible with a conventional port. With a thick aluminum cone, cast frame, rubber surround, and incredible excursion capabilities (60 mm peak to peak) this radiator is perfect for today\'s high excursion subwoofers. SMS™ (Sandwich Mass System) permits greater linearity by minimizing angular torque Durable yet compliant suspension provides substantial linear travel and mechanical stability Rigid cast aluminum frame with thick black anodized aluminum cone Threaded rod with lock nut for easy adjustment of tuning frequency Includes seven 75 gram weighted disks for simple tuning adjustment Cosmetically identical to the popular Reference Series subwoofer lines Dayton Audio RSS390-PR 15\" Reference Series Aluminum Cone Passive RadiatorWe are proud to offer our customers a complete line of Dayton Audio Reference Series passive radiators. These high quality, well-engineered passive radiators are carefully constructed using the same rigid anodized aluminum cone and cast frame as Dayton Audio\'s world renowned Reference Series subwoofers, making them visually identical and a perfect match to the very popular line of drivers.Each passive radiator employs the unique SMS™ (Sandwiched Mass Structure) design which keeps the majority of the mass centered between the surround and spider providing greater linearity by minimizing angular torque. These passives are also tunable using the included weights with the bolt-on mass adjustment assembly, making them easily integrated into virtually any subwoofer design.The RSS390-PR 15\" passive radiator includes:(1) Passive radiator(7) 75 gram disk weights(1) wing nut (for tuning)(1) lock nut (for final assembly)Specifications: Fs: 18.2 Hz Vas: 7.51 ft³ (212.8 liters) Qms: 4.01 Cms: 0.22 mm/N Mms: 400g Rms: 12.41 kg/s Sd: 829.6 sq. cm. Xmech: 30 mm Dimensions: Overall diameter: 15.29\", Cutout diameter: 14\", Depth: 4.76\".Note: Parameters above are for the passive only with no additional mass added. Parameters with additional mass added are listed in the table below.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 = VdProduct Details BrandDayton Audio ModelRSS390-PR Part Number295-504 UPC848791002731 Unit of MeasureEach Weight7.9 Product Specifications Nominal Diameter15\" Moving Mass Of Diaphragm (Mmd)400 Thiele-Small Parameters Resonant Frequency (Fs)18.2Hz Mechanical Q (Qms)4.07 Compliance Equivalent Volume (Vas)7.51ft³ Mechanical Compliance of Suspension (Cms)0.22mm/N Maximum Linear Excursion (Xmax)30mm Surface Area of Cone (Sd)829.6cm² Materials of Construction Cone MaterialAluminum Surround MaterialRubber Basket / Frame MaterialCast Aluminum Mounting Information Overall Outside Diameter15.29\" Baffle Cutout Diameter14\" Depth4.76\" # Mounting Holes8 8511523 848791002731 9.4800lbs 0.00 0.00 0.00
Dayton Audio
174.98 2025-03-28 104 In Stock

Dayton Audio RSS390-PR 15" Reference Series Aluminum Cone Passive Radiator

Brand Dayton Audio
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UPC: 848791002731
SKU: PEX-295-504
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Product Description

Manufacturer Part Number: RSS390-PR

Dayton Audio's RSS390-PR 15" passive radiator is the ideal choice for tuning small enclosures lower than possible with a conventional port. With a thick aluminum cone, cast frame, rubber surround, and incredible excursion capabilities (60 mm peak to peak) this radiator is perfect for today's high excursion subwoofers.

  • SMS™ (Sandwich Mass System) permits greater linearity by minimizing angular torque
  • Durable yet compliant suspension provides substantial linear travel and mechanical stability
  • Rigid cast aluminum frame with thick black anodized aluminum cone
  • Threaded rod with lock nut for easy adjustment of tuning frequency
  • Includes seven 75 gram weighted disks for simple tuning adjustment
  • Cosmetically identical to the popular Reference Series subwoofer lines


Dayton Audio RSS390-PR 15" Reference Series Aluminum Cone Passive Radiator

We are proud to offer our customers a complete line of Dayton Audio Reference Series passive radiators. These high quality, well-engineered passive radiators are carefully constructed using the same rigid anodized aluminum cone and cast frame as Dayton Audio's world renowned Reference Series subwoofers, making them visually identical and a perfect match to the very popular line of drivers.

Each passive radiator employs the unique SMS™ (Sandwiched Mass Structure) design which keeps the majority of the mass centered between the surround and spider providing greater linearity by minimizing angular torque. These passives are also tunable using the included weights with the bolt-on mass adjustment assembly, making them easily integrated into virtually any subwoofer design.

The RSS390-PR 15" passive radiator includes:
  • (1) Passive radiator
  • (7) 75 gram disk weights
  • (1) wing nut (for tuning)
  • (1) lock nut (for final assembly)


Specifications: Fs: 18.2 Hz Vas: 7.51 ft³ (212.8 liters) Qms: 4.01 Cms: 0.22 mm/N Mms: 400g Rms: 12.41 kg/s Sd: 829.6 sq. cm. Xmech: 30 mm Dimensions: Overall diameter: 15.29", Cutout diameter: 14", Depth: 4.76".

Note: Parameters above are for the passive only with no additional mass added. Parameters with additional mass added are listed in the table below.

Dayton Audio RSS390-PR 15" Reference Series Aluminum Cone Passive Radiator

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




warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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