Dayton Audio ND140-8 5-1/4 Aluminum Cone Midbass Neo Driver 8 Ohm

Dayton Audio’s ND140-8’s compact aluminum cone demonstrates the latest advances in high-excursion design processes. Its compact size and high output make it perfect for your next point-source or line array speaker project. 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 ND140-8 5-1/4 Aluminum Cone Midbass Neo Driver 8 Ohm

Dayton Audio’s ND140-8 midbass driver features an efficient. low-distortion Neo-Balanced motor that 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 AudioModelND140-8Part Number290-218UPC844632081491Unit of MeasureEachWeight0.95

Product Specifications

Nominal Diameter5-1/4Moving Mass Of Diaphragm (Mmd)10.4Power Handling (RMS)40 WattsPower Handling (MAX)80 WattsImpedance8??Frequency Response54 to 8.000HzSensitivity84.5dB 2.83V/1mVoice Coil Diameter1

Thiele-Small Parameters

Resonant Frequency (Fs)56.5HzDC Resistance (Re)7.8??Voice Coil Inductance (Le)1.44mHMechanical Q (Qms)5.01Electromagnetic Q (Qes)0.79Total Q (Qts)0.68Compliance Equivalent Volume (Vas)0.27ft3Mechanical Compliance of Suspension (Cms)0.76mm/NBL Product (BL)6.05T??mMaximum Linear Excursion (Xmax)4mmSurface Area of Cone (Sd)86.6cm2

Materials of Construction

Cone MaterialAluminumSurround MaterialRubberVoice Coil Wire MaterialCopperVoice Coil FormerKapton / PolyimideBasket / Frame MaterialSteelMagnet MaterialNeodymium

Mounting Information

Overall Outside Diameter5.43Baffle Cutout Diameter4.72Depth2.78# Mounting Holes4

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

Sealed Volume0.36ft3Sealed F375HzVented Volume0.84ft3Vented F337Hz

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