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Dayton Audio DS215-PR 8" Designer Series Passive Radiator

Dayton Audio
Part #295-492

Dayton Audio DS215-PR 8" Designer Series Passive Radiator

Dayton Audio
Part #295-492  
Model: DS215-PR
The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction.
Key Features
  • Long-throw suspension system for clean excursion
  • Durable coated paper cone and rubber surround
  • M5 threaded hole simplifies adding mass for lower tuning frequency
  • Cosmetically and mechanically matches the Designer Series line of drivers
Your Price: $29.98
MSRP: $33.99
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Overview

Dayton Audio DS215-PR 8" Designer Series Passive Radiator

The Dayton Audio 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, the passives match the Shielded DVC line of subwoofers, with a poly coated paper cone and medium-roll rubber surround for clean excursion and long life. The possibilities with these passives are endless, from floor standing two-ways to small active/passive subwoofer systems.

Specifications: • Fs: 23.3 Hz • Vas: 1.52 cu. ft. • Qms: 7.34 • Cms: 0.68 mm/N • Rms: 1.4 kg/s • Mms: 68.8 g • Sd: 211.2 sq. cm. • Xmax: 11 mm • Dimensions: Overall diameter: 8.50", Cutout diameter: 7.125", Depth: 2.28".


 

Note: Adding mass to the passive radiator will decrease Fs and increase Qms.

Tip: As a general rule the passive radiator(s) should be able to move double the volume of air as the active woofer(s)/subwoofer(s) in the system. For example: A passive radiator system for a 8" woofer/subwoofer that has 9mm of X-max would require 2-8" passive radiators with 9mm of X-max. For single passive radiator systems, it is common to use a passive that is larger than the active woofer(s)/subwoofer(s).

Product Details

BrandDayton Audio
ModelDS215-PR
Part Number295-492
UPC844632000393
Unit of MeasureEach
Weight1

Product Specifications

Nominal Diameter8"

Thiele-Small Parameters

Resonant Frequency (Fs)23.3Hz
Mechanical Q (Qms)7.34
Compliance Equivalent Volume (Vas)1.52ft³
Mechanical Compliance of Suspension (Cms)0.68mm/N
Diaphragm Mass Inc. Airload (Mms)68.8g
Maximum Linear Excursion (Xmax)11mm
Surface Area of Cone (Sd)211.2cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialRubber
Basket / Frame MaterialSteel

Mounting Information

Overall Outside Diameter8.5"
Baffle Cutout Diameter7.125"
Depth2.28"
# Mounting Holes5

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