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ND105-4 4" Aluminum Cone Midbass Driver 4 Ohm
Quick Overview
Dayton Audios compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes.Product Highlights
- Extended-range 60 Hz to 10 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
- 30 watts RMS power handling
Product Manuals / Spec Sheets / Downloads
Dayton Audio ND105-4 Specification SheetDayton Audio ND105-4 Data Files
Buying Options
Dayton Audios 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 84 Hz
Vented Volume 0.3 ft.³
Vented F3 41 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations
| Speaker Series | ND Series |
| Model Number | ND105-4 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 844632081071 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.8 |
| Speaker Type | Midrange |
| Nominal Diameter | 4" |
| Power Handling (RMS) | 30 watts |
| Power Handling (max) | 60 watts |
| Continuous Program Power | -- |
| Impedance | 4 ohms |
| Sensitivity | 86.8 dB @ 2.83V/1m |
| Frequency Response | 60 - 10,000 Hz |
| Voice Coil Diameter | 25 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 3.7 ohms |
| Voice Coil Inductance (Le) | 0.76 mH @ 1 kHz |
| Resonant Frequency (Fs) | 78.7 Hz |
| Mechanical Q (Qms) | 7.42 |
| Electromagnetic Q (Qes) | 0.66 |
| Total Q (Qts) | 0.61 |
| Diaphragm Mass Inc. Airload (Mms) | 7.4g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | 0.55 mm/N |
| Surface Area Of Cone (Sd) | 51.5 cm² |
| Volume of Displacement (Vd) | 20.6 cm³ |
| BL Product (BL) | 4.52 Tm |
| Compliance Equivalent Volume (Vas) | 1.97 liters |
| Maximum Linear Excursion (Xmax) | 4.0 mm |
| Drivers 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 | 105 mm |
| Overall Depth | 67 mm |
| Baffle Cutout Diameter | 93 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |