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Dayton Audio DSA215-PR 8" Designer Series Aluminum Cone Passive Radiator

Dayton Audio
Part #295-549

Dayton Audio DSA215-PR 8" Designer Series Aluminum Cone Passive Radiator

Dayton Audio
Part #295-549  
Model: DSA215-PR
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 anodized aluminum cone making them visually identical.
Key Features
  • Perfect match for Dayton Audio's aluminum 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
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MSRP: $36.99
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Overview

Dayton Audio DSA215-PR 8" Designer Series Aluminum 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 anodized aluminum cone and medium-roll rubber surround for clean excursion and long life. The possibilities with these passives are endless, from stand mount two-ways to compact subwoofer systems.

Specifications: • Fs: 25.6 Hz • Vas: 1.3 ft³ • Qms: 7.66 • Cms: 0.58 mm/N • Rms: 1.4 kg/s • Mms: 67 g • Sd: 211.2 sq. cm. • Xmax: 11 mm • Dimensions: Overall diameter: 8.50", Cutout diameter: 7.01", Depth: 2.30".

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

Product Details

BrandDayton Audio
ModelDSA215-PR
Part Number295-549
UPC848791005060
Unit of MeasureEach
Weight1.15

Product Specifications

Nominal Diameter8"
Bolt Circle Diameter8.11

Thiele-Small Parameters

Resonant Frequency (Fs)25.6Hz
Mechanical Q (Qms)7.66
Compliance Equivalent Volume (Vas)1.3ft³
Mechanical Compliance of Suspension (Cms)0.58mm/N
Diaphragm Mass Inc. Airload (Mms)67g
Maximum Linear Excursion (Xmax)11mm
Surface Area of Cone (Sd)211.2cm²

Materials of Construction

Cone MaterialAluminum
Surround MaterialRubber
Basket / Frame MaterialSteel

Mounting Information

Overall Outside Diameter8.50"
Baffle Cutout Diameter7.01"
Depth2.3"
# Mounting Holes5

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