Dayton Audio ND140-4 5-1/4″ Aluminum Cone Midbass Driver 4 Ohm
Overview:
Dayton Audios compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes.
Product Highlights:
- 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
Product description:
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.
Product Details:
Brand | Dayton Audio |
Model | ND140-4 |
Part Number | 290-216 |
UPC | 844632081484 |
Unit of Measure | Each |
Weight | 1 |
Product specification:
Nominal Diameter | 5-1/4″ |
Power Handling (RMS) | 40 Watts |
Power Handling (MAX) | 80 Watts |
Impedance | 4Ω |
Frequency Response | 54 to 8,000Hz |
Sensitivity | 88.4dB 2.83V/1m |
Voice Coil Diameter | 1″ |
Thiele-Small Parameters:
Resonant Frequency (Fs) | 59.2Hz |
DC Resistance (Re) | 3.7Ω |
Voice Coil Inductance (Le) | 0.79mH |
Mechanical Q (Qms) | 5.35 |
Electromagnetic Q (Qes) | 0.72 |
Total Q (Qts) | 0.63 |
Compliance Equivalent Volume (Vas) | 0.36ft³ |
Mechanical Compliance of Suspension (Cms) | 0.71mm/N |
BL Product (BL) | 3.9T·m |
Diaphragm Mass Inc. Airload (Mms) | 10.1g |
Maximum Linear Excursion (Xmax) | 4mm |
Surface Area of Cone (Sd) | 86.6cm² |
Materials of Construction:
Cone Material | Aluminum |
Surround Material | Rubber |
Voice Coil Former | Kapton® / Polyimide |
Magnet Material | Neodymium |
Mounting information:
Overall Outside Diameter | 5.5″ |
Baffle Cutout Diameter | 4.75″ |
Depth | 2.5″ |
# Mounting Holes | 4 |
Enclouser Volume:
Sealed Volume | 0.4ft³ |
Sealed F3 | 80Hz |
Vented Volume | 0.75ft³ |
Vented F3 | 41Hz |
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