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Dayton Audio ND90-PR

Dayton Audio ND90-PR 3-1/2” Aluminum Cone Passive Radiator

The Dayton Audio ND90-PR 3-1/2" passive radiator makes it easy to tune small enclosures lower without increasing overall enclosure size. With a one-piece aluminum cone, rubber surround, high excursion capability, and easily adjustable mass, this passive radiator is perfect for building extremely compact speaker systems capable of incredible low frequency output.

Key Features

  • Rigid black anodized aluminum alloy cone
  • High excursion capability: 18 mm peak to peak
  • Same "family look" as ND Series woofers
  • Adjustable mass for a vast range of tuning frequencies

Dayton Audio ND90-PR 3-1/2" Aluminum Cone Passive Radiator

Tune small enclosures with Dayton Audio's ND90-PR 3-1/2" passive radiator in speaker designs where a conventional port is not a viable option. This compact passive radiator includes all of the features you expect with larger radiators including high excursion capability, aluminum cone, rubber surround, and adjustable mass. Visually identical to Dayton Audio's popular ND series drivers, the ND90-PR can be used with any small speaker. 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 multi-driver array, sound bar, or portable Bluetooth speaker, the Dayton Audio ND90-PR introduces a new range of possibilities.

The ND90-PR 3-1/2" passive radiator includes:
(1) Passive radiator
(2) 7.3 gram disk weights
(1) Wing nut

Specifications: • Fs: 53.8 Hz • Vas: 0.05 cu. ft. (1.5 liters) • Qms: 6.15 • Cms: 1.09 mm/N • Mms: 8.1g • Rms: 0.44 kg/s • Sd: 31.2 sq. cm. • Xmech: 9 mm • Dimensions: Overall diameter: 4.07", Cutout diameter: 3.35", Depth: 2.39".

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

Properties
Artikel-Nr.: 290-209
Außenmaß: 103,4mm
Bohrlochanzahl: 4
EAN: 848791004834
Eff. Membranfläche (Sd): 31,2cm²
Effektive Bewegte Masse (Mms): 81
Einbautiefe: 60,7 mm
Einbauöffnung: 85,1 mm
Einheit: Stück
Korbmaterial: Stahl
Lineare Auslenkung (Xmax): 9mm
Marke: Dayton Audio
Mechanische Güte (Qms): 615
Membranmaterial: Aluminium
Modell: ND90-PR
Nachgiebigkeit (Cms): 1,09mm/N
Resonanzfrequenz (fs): 53,8Hz
Sickenmaterial: Gummi
Äquivalentvolumen (Vas): 1,416 l
Data according to manufacturer. Errors and changes reserved.
Manufacturer "Dayton Audio"
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