ND140-8 5-1/4" Aluminum Cone Midbass Driver 8 Ohm
Extended-range 54 Hz to 8 kHz performance
$69.50
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Dayton Audio's ND140-8'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 0.36 ft.³
Sealed F3 75 Hz
Vented Volume 0.84 ft.³
Vented F3 37 Hz
- Enclosure volume/F3s based on BassBox "optimum" calculations
(844632081491)
• 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
• 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
| Speaker Series | ND Series |
|---|---|
| Model Number | ND140-8 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 844632081491 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.9500 |
| Speaker Type | Midrange |
| Nominal Diameter | 5.25" |
| Power Handling (RMS) | 40 watts |
| Power Handling (max) | 80 watts |
| Continuous Program Power | -- |
| Impedance | 8 ohms |
| Sensitivity | 84.5 dB @ 2.83V/1m |
| Frequency Response | 54 - 8,000 Hz |
| Voice Coil Diameter | 25 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 7.8 ohms |
| Voice Coil Inductance (Le) | 1.44 mH @ 1 kHz |
| Resonant Frequency (Fs) | 56.5 Hz |
| Mechanical Q (Qms) | 5.01 |
| Electromagnetic Q (Qes) | 0.79 |
| Total Q (Qts) | 0.68 |
| Diaphragm Mass Inc. Airload (Mms) | 10.4g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | 0.76 mm/N |
| Surface Area Of Cone (Sd) | 86.6 cm² |
| Volume of Displacement (Vd) | 34.6 cm³ |
| BL Product (BL) | 6.05 Tm |
| Compliance Equivalent Volume (Vas) | 7.74 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 | 138 mm |
| Overall Depth | 70.5 mm |
| Baffle Cutout Diameter | 120 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
| SKU | 844632081491 |
| Model # | ND140-8 |
| Barcode # | 844632081491 |
| Brand | Dayton Audio |
| Shipping Weight | 0.4330kg |
| Shipping Width | 0.146m |
| Shipping Height | 0.089m |
| Shipping Length | 0.140m |
| Shipping Cubic | 0.001814000m3 |
| Assembled Length | 0.140m |
| Assembled Height | 0.089m |
| Assembled Width | 0.146m |
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