DS215-PR 8" Designer Series Passive Radiator

Quick Overview

The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction.

Product Highlights

  • Smooth, low-distortion bass performance
  • Robust construction with high-excursion design
  • Elegant appearance adds class to any project
  • Cosmetic match for Designer Series woofers

Product Manuals / Spec Sheets / Downloads

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: 43.1 liters • Qms: 7.34 • Cms: 0.68 mm/N • Rms: 1.4 kg/s • Mms: 68.8g • Sd: 211.2 sq. cm. • Xmax: 10 mm • Dimensions: Overall diameter: 216 mm, Cutout diameter: 180 mm, Depth: 58 mm.


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).

Speaker SeriesDesigner Series
Model NumberDS215-PR
List Price $22.99
Unit of MeasureEach
Warranty - Parts5 Years
Warranty - Labor5 Years
Product Shipping Weight (lbs.)1
Speaker TypePassive Radiator
Nominal Diameter8"
Power Handling (max)--
Continuous Program Power--
Frequency Response--
Voice Coil Diameter--
Magnet Weight--
DC Resistance (Re)--
Voice Coil Inductance (Le)--
Resonant Frequency (Fs)23.3 Hz
Mechanical Q (Qms)7.34
Electromagnetic Q (Qes)--
Total Q (Qts)--
Diaphragm Mass Inc. Airload (Mms)68.8g
Moving Mass Of Diaphragm (Mmd)--
Mechanical Compliance of Suspension (Cms)0.68 mm/N
Surface Area Of Cone (Sd)211.2 cm²
Volume of Displacement (Vd)232.4 cm³
BL Product (BL)--
Compliance Equivalent Volume (Vas)43.1 liters
Maximum Linear Excursion (Xmax)11 mm
Drivers Mechanical Losses (Rms)1.4 kg/s
Cone / Diaphragm MaterialPaper Cone
Entry / Exit Diameter--
Surround MaterialRubber
Voice Coil Wire Material--
Voice Coil Former--
Basket/Frame MaterialSteel
Magnet Material--
Overall Outside Diameter216 mm
Overall Depth58 mm
Baffle Cutout Diameter180 mm
# Mounting Holes5
Mounting Hole Diameter--
Bolt Circle Diameter--
Product Weight--