ND90-8 3-1/2" Aluminum Cone Full-Range Driver 8 Ohm
Direct replacement for Aura NS3
$51.00
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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.
OPTIMUM CABINET SIZE *
Sealed Volume 0.1 ft.³
Sealed F3 96 Hz
Vented Volume 0.15 ft.³
Vented F3 50 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations
(844632077449)
• 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
• 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
| Speaker Series | ND Series |
|---|---|
| Model Number | ND90-8 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 844632077449 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.5500 |
| Speaker Type | Full-Range |
| Nominal Diameter | 3.50" |
| Power Handling (RMS) | 20 watts |
| Power Handling (max) | 40 watts |
| Continuous Program Power | -- |
| Impedance | 8 ohms |
| Sensitivity | 81.4 dB @ 2.83V/1m |
| Frequency Response | 80 - 15,000 Hz |
| Voice Coil Diameter | 19 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 7.5 ohms |
| Voice Coil Inductance (Le) | 1.08 mH @ 1 kHz |
| Resonant Frequency (Fs) | 70.7 Hz |
| Mechanical Q (Qms) | 4.71 |
| Electromagnetic Q (Qes) | 0.75 |
| Total Q (Qts) | 0.65 |
| Diaphragm Mass Inc. Airload (Mms) | 4.2g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | 1.22 mm/N |
| Surface Area Of Cone (Sd) | 31.2 cm² |
| Volume of Displacement (Vd) | 12.5 cm³ |
| BL Product (BL) | 4.3 Tm |
| Compliance Equivalent Volume (Vas) | 1.77 liters |
| Maximum Linear Excursion (Xmax) | 4.0 mm |
| Driver's Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | Black Anodized Aluminum Cone |
| Entry / Exit Diameter | -- |
| Surround Material | Rubber |
| Voice Coil Wire Material | Copper |
| Voice Coil Former | Kapton® / Polyimide |
| Basket/Frame Material | Steel |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 103.5 mm |
| Overall Depth | 60.8 mm |
| Baffle Cutout Diameter | 85 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
| SKU | 844632077449 |
| Model # | ND90-8 |
| Barcode # | 844632077449 |
| Brand | Dayton Audio |
| Shipping Weight | 0.2500kg |
| Shipping Width | 0.032m |
| Shipping Height | 0.019m |
| Shipping Length | 0.038m |
| Shipping Cubic | 0.000023000m3 |
| Assembled Length | 0.038m |
| Assembled Height | 0.019m |
| Assembled Width | 0.032m |
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