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Dayton Audio ND90-8 3-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm

Dayton Audio
Part #290-210

Dayton Audio ND90-8 3-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm

Dayton Audio
Part #290-210  
Model: ND90-8
Looking for a small driver that punches above its weight class? The ND90-8 radical high performance full-range transducer exudes an aura of superiority. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.
Key Features
  • Direct replacement for Aura NS3
  • Rubber-edged anodized aluminum alloy cone
  • Large excursion capability—4 mm Xmax, 20 mm peak
  • Self-shielded Neo-Balanced motor structure
  • Full-range 80 Hz to 15 kHz performance
  • 3/4" 4-layer underhung voice coil with polyimide former
  • 20 watts RMS power handling
Your Price: $21.98
MSRP: $33.99
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Overview

Dayton Audio ND90-8 3-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm

Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes. An efficient, low-distortion Neo-Balanced motor is combined with a rigid yet lightweight aluminum diaphragm, yielding impressive high-impact audio reproduction. Perfect for single point-source applications, or combined in multiples and line arrays.

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Product Details

BrandDayton Audio
ModelND90-8
Part Number290-210
UPC844632077449
Unit of MeasureEach
Weight0.55

Product Specifications

Nominal Diameter3-1/2"
Power Handling (RMS)20 Watts
Power Handling (MAX)40 Watts
Impedance8Ω
Frequency Response80 to 15,000Hz
Sensitivity81.4dB 2.83V/1m
Voice Coil Diameter0.75"

Thiele-Small Parameters

Resonant Frequency (Fs)70.7Hz
DC Resistance (Re)7.5Ω
Voice Coil Inductance (Le)1.08mH
Mechanical Q (Qms)4.71
Electromagnetic Q (Qes)0.75
Total Q (Qts)0.65
Compliance Equivalent Volume (Vas)0.062ft³
Mechanical Compliance of Suspension (Cms)1.22mm/N
BL Product (BL)4.3T·m
Diaphragm Mass Inc. Airload (Mms)4.2g
Maximum Linear Excursion (Xmax)4mm
Surface Area of Cone (Sd)31.2cm²

Materials of Construction

Cone MaterialAluminum
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter4.07"
Baffle Cutout Diameter3.01"
Depth2.39"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.08ft³
Sealed F392Hz
Vented Volume0.18ft³
Vented F346Hz

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