ND65-4 2-1/2" Aluminum Cone Full-Range Driver 4 Ohm

Rubber-edged aluminum alloy cone

$36.00
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Dayton Audio's compact ND65-4 aluminum cone driver demonstrates the latest advances in high-excursion design processes.





Dayton Audio's compact ND65-4 aluminum cone driver demonstrates 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 speaker applications, or combined in multiples and line arrays.



OPTIMUM CABINET SIZE *


Sealed Volume 0.05 ft.³

Sealed F3 102 Hz

Vented Volume 0.08 ft.³

Vented F3 53 Hz

  • Enclosure volume/F3s based on BassBox "optimum" calculations




(844632081460)

• Rubber-edged aluminum alloy cone
• Large excursion capability
• Self-shielded Neo-Balanced motor structure
• 4-layer underhung voice coil with polyimide former
• High power handling


Speaker Series ND Series
Model Number ND65-4
Color Black
Unit of Measure Each
UPC 844632081460
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.4000
Speaker Type Full-Range
Nominal Diameter 2.50"
Power Handling (RMS) 15 watts
Power Handling (max) 30 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity 83 dB @ 2.83V/1m
Frequency Response 85 - 20,000 Hz
Voice Coil Diameter 19 mm
Magnet Weight --
DC Resistance (Re) 3.5 ohms
Voice Coil Inductance (Le) 0.44 mH @1 kHz
Resonant Frequency (Fs) 89.5 Hz
Mechanical Q (Qms) 5.56
Electromagnetic Q (Qes) 0.68
Total Q (Qts) 0.61
Diaphragm Mass Inc. Airload (Mms) 2.5g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 1.26 mm/N
Surface Area Of Cone (Sd) 15.6 cm²
Volume of Displacement (Vd) 5.4 cm³
BL Product (BL) 2.68 Tm
Compliance Equivalent Volume (Vas) 0.53 liters
Maximum Linear Excursion (Xmax) 3.5 mm
Driver's 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 64 mm
Overall Depth 48 mm
Baffle Cutout Diameter 52 mm
# Mounting Holes 4
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --

SKU 844632081460
Model # ND65-4
Barcode # 844632081460
Brand Dayton Audio
Shipping Weight 0.1810kg
Shipping Width 0.095m
Shipping Height 0.070m
Shipping Length 0.095m
Shipping Cubic 0.000634000m3
Assembled Length 0.095m
Assembled Height 0.070m
Assembled Width 0.095m

Dayton Audio ND65-4 2-1/2" Full Range Driver

By: on 22 September 2016
After reading the information on the web site I had high hopes for this tiny little speaker driver. They were exceeded. The application is a Bluetooth enabled active speaker and the results are extraordinary. It really does perform better than many speakers twice its size.
(5)

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