ND91-8 3-1/2" Aluminum Cone Full-Range Driver 8 Ohm
Low distortion, full-range 65 Hz to 17 kHz performance
$55.00
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Dayton Audio's ND91 aluminum cone full-range drivers are the latest addition to the acclaimed ND Series high output/low distortion neodymium transducers. By increasing the original ND90's voice coil diameter from 3/4" to 1" and adding a copper alloy shorting ring, the ND91-8 features even lower distortion and delivers better bass impact and dynamic range—with peak Xmax up to 25 mm!
This high-BL version further exploits the low distortion characteristics of the Neo-Balanced motor's optimized magnetic field, making the ND91 drivers an excellent choice for full-range point-source speaker enclosures, as well as extremely accurate, high resolution line arrays.
OPTIMUM CABINET SIZE *
Sealed Volume 0.02 ft.³
Sealed F3 139 Hz
Vented Volume 0.04 ft.³
Vented F3 75 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations
(844632090455)
• Low distortion, full-range 65 Hz to 17 kHz performance
• Rubber-edged black anodized aluminum alloy cone
• Large excursion capability 4.6 mm Xmax, 25 mm peak
• Self-shielded Neo-Balanced motor structure with copper alloy shorting ring
• 1" 4-layer underhung voice coil with polyimide former
• 30 watts RMS power handling
• Great for line arrays and micro monitors
• Rubber-edged black anodized aluminum alloy cone
• Large excursion capability 4.6 mm Xmax, 25 mm peak
• Self-shielded Neo-Balanced motor structure with copper alloy shorting ring
• 1" 4-layer underhung voice coil with polyimide former
• 30 watts RMS power handling
• Great for line arrays and micro monitors
| Speaker Series | ND Series |
|---|---|
| Model Number | ND91-8 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 844632090455 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.7000 |
| Speaker Type | Full-Range |
| Nominal Diameter | 3.50" |
| Power Handling (RMS) | 30 watts |
| Power Handling (max) | 60 watts |
| Continuous Program Power | -- |
| Impedance | 8 ohms |
| Sensitivity | 82.1 dB @ 2.83V/1m |
| Frequency Response | 70 - 17,000 Hz |
| Voice Coil Diameter | 25 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 7.8 ohms |
| Voice Coil Inductance (Le) | 1.24 mH @ 1 kHz |
| Resonant Frequency (Fs) | 70.7 Hz |
| Mechanical Q (Qms) | 4.29 |
| Electromagnetic Q (Qes) | 0.53 |
| Total Q (Qts) | 0.47 |
| Diaphragm Mass Inc. Airload (Mms) | 4.8g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | 1.05 mm/N |
| Surface Area Of Cone (Sd) | 30.4 cm² |
| Volume of Displacement (Vd) | 12.2 cm³ |
| BL Product (BL) | 5.63 Tm |
| Compliance Equivalent Volume (Vas) | 1.53 liters |
| Maximum Linear Excursion (Xmax) | 5.1 mm |
| Driver's Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | Aluminum Cone |
| Entry / Exit Diameter | -- |
| Surround Material | Rubber |
| Voice Coil Wire Material | Aluminum |
| Voice Coil Former | Kapton® / Polyimide |
| Basket/Frame Material | Steel |
| Magnet Material | Ferrite |
| Overall Outside Diameter | 103.5 mm |
| Overall Depth | 56.4 mm |
| Baffle Cutout Diameter | 85 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
| SKU | 844632090455 |
| Model # | ND91-8 |
| Barcode # | 844632090455 |
| Brand | Dayton Audio |
| Shipping Weight | 0.3260kg |
| Shipping Width | 0.089m |
| Shipping Height | 0.070m |
| Shipping Length | 0.095m |
| Shipping Cubic | 0.000591000m3 |
| Assembled Length | 0.095m |
| Assembled Height | 0.070m |
| Assembled Width | 0.089m |
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