ND64-4 2-1/2" Aluminum Magnesium Cone Full-Range Driver 4 Ohm
Rubber-edged aluminum magnesium alloy cone
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Dayton Audio’s ND64-4 is truly a full-range driver and capable of over 6 mm of peak-to-peak excursion. It features a dual Neo-Balanced magnet structure, a 3/4" CCAW voice coil, and a copper sleeve to minimize distortion. An efficient, low-distortion Neo-Balanced motor is combined with a rigid yet lightweight aluminum magnesium diaphragm, yielding impressive high-impact audio reproduction. Perfect for single point-source speaker applications, or combined in multiples and line arrays.
OPTIMUM CABINET SIZE *
Sealed Volume 0.002 ft.³
Sealed F3 265.5 Hz
Vented Volume 0.005 ft.³
Vented F3 117.3 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations
(848791002809)
• Dual neodymium motor structure
• 4-layer voice coil with polyimide former
• Copper sleeve to minimize distortion
• High power handling
| Speaker Series | ND Series |
|---|---|
| Model Number | ND64-4 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 848791002809 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 1.0000 |
| Speaker Type | Full-Range |
| Nominal Diameter | 2.50" |
| Power Handling (RMS) | 15 watts |
| Power Handling (max) | 30 watts |
| Continuous Program Power | -- |
| Impedance | 4 ohms |
| Sensitivity | 85.2 dB @ 2.83V/1m |
| Frequency Response | 100 - 20,000 Hz |
| Voice Coil Diameter | 19 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 3.7 ohms |
| Voice Coil Inductance (Le) | 0.37 mH |
| Resonant Frequency (Fs) | 103.0 Hz |
| Mechanical Q (Qms) | 4.36 |
| Electromagnetic Q (Qes) | 0.36 |
| Total Q (Qts) | 0.33 |
| Diaphragm Mass Inc. Airload (Mms) | 2.56g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | 0.93 mm/N |
| Surface Area Of Cone (Sd) | 15.6 cm² |
| Volume of Displacement (Vd) | 29.64 cm³ |
| BL Product (BL) | 4.13 Tm |
| Compliance Equivalent Volume (Vas) | 0.42 liters |
| Maximum Linear Excursion (Xmax) | 1.9 mm |
| Driver's Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | Black Anodized Aluminum Cone |
| Entry / Exit Diameter | -- |
| Surround Material | Rubber |
| Voice Coil Wire Material | CCA |
| Voice Coil Former | Polyimide |
| Basket/Frame Material | Stamped Steel |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 64 mm |
| Overall Depth | 39 mm |
| Baffle Cutout Diameter | 53 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
| SKU | 848791002809 |
| Model # | ND64-4 |
| Barcode # | 848791002809 |
| Brand | Dayton Audio |
| Shipping Weight | 0.1570kg |
| Shipping Width | 0.076m |
| Shipping Height | 0.051m |
| Shipping Length | 0.076m |
| Shipping Cubic | 0.000295000m3 |
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