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Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm
Brand Dayton Audio
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Product Description
Manufacturer Part Number: ND91-4
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. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.
Key Features:
Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm
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 ND91-4 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 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.
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. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.
Key Features:
- 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
Dayton Audio ND91-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm
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 ND91-4 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 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.
Product Details | |
|---|---|
| Brand | Dayton Audio |
| Model | ND91-4 |
| Part Number | 290-224 |
| UPC | 844632090448 |
| Unit of Measure | Each |
| Weight | 0.7 |
Product Specifications | |
|---|---|
| Nominal Diameter | 3-1/2" |
| Moving Mass Of Diaphragm (Mmd) | 4.8 |
| Power Handling (RMS) | 30 Watts |
| Power Handling (MAX) | 60 Watts |
| Impedance | 4Ω |
| Frequency Response | 65 to 17,000Hz |
| Sensitivity | 85.6dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 74Hz |
| DC Resistance (Re) | 4.3Ω |
| Voice Coil Inductance (Le) | 0.83mH |
| Mechanical Q (Qms) | 4.24 |
| Electromagnetic Q (Qes) | 0.45 |
| Total Q (Qts) | 0.41 |
| Compliance Equivalent Volume (Vas) | 0.05ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.96mm/N |
| BL Product (BL) | 4.59T·m |
| Maximum Linear Excursion (Xmax) | 4.6mm |
| Surface Area of Cone (Sd) | 30.4cm² |
Materials of Construction | |
|---|---|
| Cone Material | Aluminum |
| Surround Material | Rubber |
| Voice Coil Wire Material | Aluminum |
| Voice Coil Former | Kapton® / Polyimide |
| Basket / Frame Material | Steel |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 3.35" |
| Baffle Cutout Diameter | 3.01" |
| Depth | 2.22" |
| # Mounting Holes | 4 |
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) | |
|---|---|
| Sealed Volume | 0.01ft³ |
| Sealed F3 | 132Hz |
| Vented Volume | 0.03ft³ |
| Vented F3 | 73Hz |
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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