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Dayton Audio ND91-4
375,0 kr 375,0 kr
3-1/2″ Aluminum Cone Full-Range Driver 4 Ohm
1 in stock (can be backordered)
Description
The low distortion and high excursion capabilities of the Dayton Audio ND91-4 3-1/2″ full-range driver make it an ideal candidate for miniature point-source monitors, surround speakers, and line arrays.
Product Highlights
- 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
Product Description
Dayton Audios 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 ND90s voice coil diameter from 3/4″ to 1″ and adding a copper alloy shorting ring, the ND91-4 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 motors 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 0.01 ft.³
Sealed F3 132 Hz
Vented Volume 0.03 ft.³
Vented F3 73 Hz
* Enclosure volume/F3s based on BassBox “optimum” calculations
Additional information
| Weight | 0,35 kg |
|---|
Specifications
Technical Specifications
Dayton Audio ND91-4 Specification Sheet
Dayton Audio ND91-4 Klippel Test Results
Dayton Audio ND91-4 Data Files
Product Details
| Speaker Series | ND Series |
| Model Number | ND91-4 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 844632090448 |
| Warranty – Parts | 5 Years |
| Warranty – Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.7 |
| Speaker Type | Full-Range |
| Nominal Diameter | 3.50″ |
| Power Handling (RMS) | 30 watts |
| Power Handling (max) | 60 watts |
| Continuous Program Power | — |
| Impedance | 4 ohms |
| Sensitivity | 85.6 dB @ 2.83V/1m |
| Frequency Response | 65 – 17,000 Hz |
| Voice Coil Diameter | 25 mm |
| Magnet Weight | — |
| DC Resistance (Re) | 4.3 ohms |
| Voice Coil Inductance (Le) | 0.83 mH @ 1 kHz |
| Resonant Frequency (Fs) | 74 Hz |
| Mechanical Q (Qms) | 4.24 |
| Electromagnetic Q (Qes) | 0.45 |
| Total Q (Qts) | 0.41 |
| Diaphragm Mass Inc. Airload (Mms) | 4.8g |
| Moving Mass Of Diaphragm (Mmd) | — |
| Mechanical Compliance of Suspension (Cms) | 0.96 mm/N |
| Surface Area Of Cone (Sd) | 30.4 cm² |
| Volume of Displacement (Vd) | 12.2 cm³ |
| BL Product (BL) | 4.59 Tm |
| Compliance Equivalent Volume (Vas) | 1.4 liters |
| Maximum Linear Excursion (Xmax) | 4.6mm |
| Drivers 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 | 63.4 mm |
| Baffle Cutout Diameter | 85 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | — |
| Bolt Circle Diameter | — |
| Product Weight | — |
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