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

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

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 AudioModelND140-4Part Number290-216UPC844632081484Unit of MeasureEachWeight1

Product Specifications

Nominal Diameter5-1/4Moving Mass Of Diaphragm (Mmd)10.1Power Handling (RMS)40 WattsPower Handling (MAX)80 WattsImpedance4??Frequency Response54 to 8.000HzSensitivity88.4dB 2.83V/1mVoice Coil Diameter1

Thiele-Small Parameters

Resonant Frequency (Fs)59.2HzDC Resistance (Re)3.7??Voice Coil Inductance (Le)0.79mHMechanical Q (Qms)5.35Electromagnetic Q (Qes)0.72Total Q (Qts)0.63Compliance Equivalent Volume (Vas)0.36ft3Mechanical Compliance of Suspension (Cms)0.71mm/NBL Product (BL)3.9T??mMaximum Linear Excursion (Xmax)4mmSurface Area of Cone (Sd)86.6cm2

Materials of Construction

Cone MaterialAluminumSurround MaterialRubberVoice Coil FormerKapton / PolyimideMagnet MaterialNeodymium

Mounting Information

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

Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume0.78ft3Sealed F365HzVented Volume1ft3Vented F334Hz

• Highly Recommended.
• Classic design.
• Top quality.
• Brand:Dayton Audio
• Multi-color