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.
- 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
Nominal Diameter: 2-1/2"
Power Handling (RMS): 15 Watts
Power Handling (max): 30 Watts
Impedance: 8 ohms
Frequency Response: 80 to 20,000 Hz
Sensitivity: 80.8 dB 2.83V/1m
Voice Coil Diameter: 0.75"
Resonant Frequency (Fs): 77.4 Hz
DC Resistance (Re): 7.4 ohms
Voice Coil Inductance (Le): 1.04 mH
Mechanical Q (Qms): 4.01
Electromagnetic Q (Qes): 0.46
Total Q (Qts): 0.41
Compliance Equivalent Volume (Vas): 0.02 ft.³
Mechanical Compliance of Suspension (Cms): 1.68 mm/N
BL Product (BL): 4.47 Tm
Diaphragm Mass Inc. Airload (Mms): 2.5g
Maximum Linear Excursion (Xmax): 3.5 mm
Surface Area of Cone (Sd): 15.6 cm²
Materials of Construction
Cone Material: Aluminum
Surround Material: Rubber
Voice Coil Former: Kapton® / Polyimide
Magnet Material: Neodymium
Overall Outside Diameter: 2.5"
Baffle Cutout Diameter: 2.05"
# Mounting Holes: 4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume: 0.02 ft.³
Sealed F3: 111 Hz
Vented Volume: 0.05 ft.³
Vented F3: 55 Hz
Dayton Audio ND65-8 2-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm
Brand: Dayton Audio
Part Number: 290-206
Product Category: Midrange / Midbass Drivers & Full-Range Speakers
Unit of Measure: EA
Weight: 0.4 lbs.