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Dayton Audio DMA58-PR 2" DMA Series Passive Radiator

Dayton Audio
Part #295-593

Dayton Audio DMA58-PR 2" DMA Series Passive Radiator

Dayton Audio
Part #295-593  
Model: DMA58-PR
Dayton Audio's DMA58-PR 2" aluminum cone passive radiator allows you to tune small enclosures lower than possible using conventional ports. Matching the DMA series of drivers drivers perfectly, this passive radiator is perfect for use in ultra-small designs like smart speakers, sound bars, and portable Bluetooth speakers.
Key Features
  • Perfect match for the Dayton Audio DMA series drivers
  • Allows tuning small enclosures lower than possible using conventional ports
  • Rear mounted threaded post allows easy mass adjustment for custom tuning
  • DIY friendly, oversized mounting flange makes installation simple
Your Price: $6.98
MSRP: $9.99
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Overview

Dayton Audio DMA58-PR 2" DMA Series Passive Radiator

The DMA58-PR 2" passive radiator from Dayton Audio is the perfect option for achieving low tuning frequencies from the smallest enclosure designs. This incredibly small passive radiator has all the features you would expect lager units including adjustable mass, aluminum cone, and rubber surround. Visually identical to Dayton Audio's full-range DMA series drivers, the DMA58-PR can also be used with any small driver that requires a low tuning frequency. The threaded rod and included wing nut on the back of the cone makes it easy to add mass to tune the radiator as needed for your projects. Whether you are building a smart speaker, sound bar, or portable Bluetooth speaker, the Dayton Audio DMA58-PR introduces a new range of possibilities.

Specifications: • Fs: 39.8 Hz • Vas: 0.025 ft³ (0.72 liters) • Qms: 3.93 • Cms: 2.4 mm/N • Mms: 6.7 g • Rms: 0.432 kg/s • Sd: 14.5 cm² • Xmech: 7 mm • Dimensions: Overall diameter: 2.2" x 2.2", Cutout diameter: 1.97", Depth: 1.5".

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
ModelDMA58-PR
Part Number295-593
UPC848791005619
Unit of MeasureEach
Weight0.15

Product Specifications

Nominal Diameter2"
Bolt Circle Diameter2.56

Thiele-Small Parameters

Resonant Frequency (Fs)39.8Hz
Mechanical Q (Qms)3.93
Compliance Equivalent Volume (Vas)0.025ft³
Mechanical Compliance of Suspension (Cms)2.4mm/N
Diaphragm Mass Inc. Airload (Mms)6.7g
Maximum Linear Excursion (Xmax)7mm
Surface Area of Cone (Sd)14.5cm²

Materials of Construction

Cone MaterialAluminum
Basket / Frame MaterialPolymer

Mounting Information

Overall Outside Diameter2.2" x 2.2"
Baffle Cutout Diameter1.97"
Depth1.5"
# Mounting Holes4

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