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NEW Dayton Audio SS15-PR 15" Signature Series Passive Radiator

Dayton AudioPart # 295-735
Model: SS15-PR
The Dayton Audio SS15-PR 15" Signature Series Passive Radiator is designed for powerful, high-output subwoofer systems where deep bass extension and clean performance are critical. Built to perfectly complement the SS15-22, this passive radiator uses the same heavy-duty cast aluminum frame, anodized aluminum cone, and rubber surround as its active counterpart, giving it the strength and excursion capability needed for today’s most demanding designs. With Dayton Audio’s Sandwich Mass Structure (SMS) tuning system, fine-tuning your subwoofer enclosure is simple, accurate, and secure.

Key Features

  • Signature Series styling with cast aluminum frame, aluminum cone, and rubber surround — visually identical to the SS15-22 driver
  • Passive radiator design enables extended low-frequency response in compact enclosures without port noise
  • Sandwich Mass Structure (SMS) places added mass between spider and surround for stability and symmetry
  • Includes five 116 g weights for flexible tuning options
  • Easy tuning with threaded bolt, wing nut, and nylock nut for secure adjustment
  • Perfect companion for the Dayton Audio SS15-22 in powerful, high-output passive radiator systems
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Overview

Dayton Audio SS15-PR 15" Signature Series Passive Radiator

Dayton Audio SS15-PR 15" Signature Series Passive Radiator

The Dayton Audio SS15-PR 15" Signature Series Passive Radiator is built for serious low-frequency performance in large, high-output subwoofer systems. Perfectly paired with the SS15-22, this passive radiator makes it possible to achieve room-shaking bass extension without the turbulence, port noise, or impractical cabinet requirements of traditional vented designs. Ideal for home theater and high-powered music systems, the SS15-PR provides the stability and excursion capability required for maximum impact.

Signature Series Styling and Construction

The SS15-PR is constructed to visually and mechanically match its active counterpart, featuring the same robust cast aluminum frame, thick anodized aluminum cone, and high-roll rubber surround. From the front, it is indistinguishable from the SS15-22, giving systems a seamless, professional look. Its durable suspension and rigid cone are designed to withstand the extreme excursion needed to keep up with powerful, high-wattage subwoofers while maintaining clean, accurate motion.

Innovative Sandwich Mass Structure

At the heart of the SS15-PR is Dayton Audio’s Sandwich Mass Structure (SMS) tuning system. This unique approach positions all added mass between the spider and surround, where it moves in perfect symmetry with the diaphragm. Adjustments are simple and secure with a threaded bolt, wing nut, and nylock nut assembly, while the included five 116 g weights provide the flexibility needed to fine-tune enclosure performance with precision.

Engineered for high-output systems — the perfect partner for the SS15-22

For builders and designers aiming to extract maximum performance from high-output subwoofer systems, the Dayton Audio SS15-PR is the perfect solution. With its rugged construction, SMS tuning system, and seamless Signature Series styling, it enables powerful bass extension from enclosures designed for both home theater and music.

Package Contents

  • (1) Passive Radiator
  • (5) 116 gram disk weights
  • (1) Nylon locking nut (for final assembly)
  • (1) Wing Nut

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=Xmax ∗ Sd

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    Note: Passive raidator specs listed below measured with no additional mass included.

    Product Details

    BrandDayton Audio
    ModelSS15-PR
    Part Number295-735
    UPC848791011177
    Unit of MeasureEach
    Weight10

    Product Specifications

    Nominal Diameter15"
    Bolt Circle Diameter14.6

    Thiele-Small Parameters

    Resonant Frequency (Fs)22.4Hz
    Mechanical Q (Qms)6.74
    Compliance Equivalent Volume (Vas)5.48ft³
    Mechanical Compliance of Suspension (Cms)0.169mm/N
    BL Product (BL)8T·m
    Diaphragm Mass Inc. Airload (Mms)300g
    Maximum Linear Excursion (Xmax)35mm
    Surface Area of Cone (Sd)804.3cm²

    Materials of Construction

    Cone MaterialAluminum
    Surround MaterialRubber
    Basket / Frame MaterialCast Aluminum

    Mounting Information

    Overall Outside Diameter15.3"
    Baffle Cutout Diameter13.9"
    Depth5.5"

    Specifications

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