Dayton Audio ND90-4 3-1/2″ Aluminum Cone Full-Range Neo Driver 4 Ohm
Overview:
Dayton Audio’s ND90-4 compact aluminum cone driver demonstrates the latest advances in high-excursion design processes. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures.
Key Features:
- Full-range 80 Hz to 15 kHz performance
- Rubber-edged aluminum alloy cone
- Large excursion capability—4 mm Xmax, 20 mm peak
- Self-shielded Neo-Balanced motor structure
- 3/4″ 4-layer underhung voice coil with polyimide former
- 20 watts RMS power handling
Product Details:
Brand | Dayton Audio |
Model | ND90-4 |
Unit of Measure | Each |
Weight | 0.55 |
Product Specification:
Nominal Diameter | 3-1/2″ |
Power Handling (RMS) | 20 Watts |
Power Handling (MAX) | 40 Watts |
Sensitivity | 85.7dB 2.83V/1m |
Voice Coil Diameter | 0.75″ |
Frequency Response | 80 to 15,000Hz |
Impedance | 4Ω |
Thiele Small Parameters:
Resonant Frequency (Fs) | 90.2Hz |
DC Resistance (Re) | 3.6Ω |
Voice Coil Inductance (Le) | 0.62mH |
Mechanical Q (Qms) | 5.1 |
Electromagnetic Q (Qes) | 0.72 |
Total Q (Qts) | 0.63 |
Compliance Equivalent Volume (Vas) | 0.037ft³ |
Mechanical Compliance of Suspension (Cms) | 0.73mm/N |
BL Product (BL) | 3.47T·m |
Diaphragm Mass Inc. Airload (Mms) | 4.3g |
Maximum Linear Excursion (Xmax) | 4mm |
Surface Area of Cone (Sd) | 31.2cm² |
Materials of Construction:
Cone Material | Aluminum |
Surround Material | Rubber |
Voice Coil Wire Material | Copper |
Voice Coil Former | Kapton® / Polyimide |
Basket / Frame Material | Steel |
Magnet Material | Neodymium |
Mounting Information:
Overall Outside Diameter | 4.07″ |
Baffle Cutout Diameter | 3.01″ |
Depth | 2.39″ |
# Mounting Holes | 4 |
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