ND65-8 2-1/2" Aluminum Cone Full-Range Driver 8 Ohm

Rubber-edged aluminum alloy cone

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Dayton Audio's compact ND65-8 aluminum cone driver demonstrates the latest advances in high-excursion design processes.

Dayton Audio's compact ND65-8 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.


Sealed Volume 0.02 ft.³

Sealed F3 111 Hz

Vented Volume 0.05 ft.³

Vented F3 55 Hz

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


• 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 ND65-8
Color Black
Unit of Measure Each
UPC 844632081477
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 8 ohms
Sensitivity 80.8 dB @ 2.83V/1m
Frequency Response 80 - 20,000 Hz
Voice Coil Diameter 19 mm
Magnet Weight --
DC Resistance (Re) 7.4 ohms
Voice Coil Inductance (Le) 1.04 mH @ 1 kHz
Resonant Frequency (Fs) 77.4 Hz
Mechanical Q (Qms) 4.01
Electromagnetic Q (Qes) 0.46
Total Q (Qts) 0.41
Diaphragm Mass Inc. Airload (Mms) 2.5g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 1.68 mm/N
Surface Area Of Cone (Sd) 15.6 cm²
Volume of Displacement (Vd) 5.4 cm³
BL Product (BL) 4.47 Tm
Compliance Equivalent Volume (Vas) 0.71 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 844632081477
Model # ND65-8
Barcode # 844632081477
Brand Dayton Audio
Shipping Weight 0.2100kg
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

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