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Dayton Audio ND140-4 5-1/4" Aluminum Cone Midbass Neo Driver 4 Ohm

Dayton Audio
Part #290-216

Dayton Audio ND140-4 5-1/4" Aluminum Cone Midbass Neo Driver 4 Ohm

Dayton Audio
Part #290-216  
Model: ND140-4
Dayton Audio's ND140-4 compact aluminum cone driver demonstrates the latest advances in high-excursion design processes. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.
Key Features
  • Extended-range 54 Hz to 8 kHz performance
  • Rubber-edged aluminum alloy cone
  • Large excursion capability—4 mm Xmax, 20 mm peak
  • Self-shielded Neo-Balanced motor structure
  • 1" 4-layer underhung voice coil with polyimide former
  • 40 watts RMS power handling
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MSRP: $44.99
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Overview

Dayton Audio ND140-4 5-1/4" Aluminum Cone Midbass Neo Driver 4 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.

Product Details

BrandDayton Audio
ModelND140-4
Part Number290-216
UPC844632081484
Unit of MeasureEach
Weight1

Product Specifications

Nominal Diameter5-1/4"
Power Handling (RMS)40 Watts
Power Handling (MAX)80 Watts
Impedance4Ω
Frequency Response54 to 8,000Hz
Sensitivity88.4dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)59.2Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)0.79mH
Mechanical Q (Qms)5.35
Electromagnetic Q (Qes)0.72
Total Q (Qts)0.63
Compliance Equivalent Volume (Vas)0.36ft³
Mechanical Compliance of Suspension (Cms)0.71mm/N
BL Product (BL)3.9T·m
Diaphragm Mass Inc. Airload (Mms)10.1g
Maximum Linear Excursion (Xmax)4mm
Surface Area of Cone (Sd)86.6cm²

Materials of Construction

Cone MaterialAluminum
Surround MaterialRubber
Voice Coil FormerKapton® / Polyimide
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter5.5"
Baffle Cutout Diameter4.75"
Depth2.5"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.4ft³
Sealed F380Hz
Vented Volume0.75ft³
Vented F341Hz

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