คำอธิบาย

Product Details
Dayton Audio ND105-4 4″ Aluminum Cone Midbass Neo Driver 4 Ohm

Dayton Audio’s 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 Specifications
Nominal Diameter
4″

Power Handling (RMS)
30 Watts
 
Power Handling (max)
60 Watts

Impedance
4 ohms
 
Frequency Response
60 to 10,000 Hz

Sensitivity
86.8 dB 2.83V/1m
 
Voice Coil Diameter
1″
Thiele-Small Parameters
Resonant Frequency (Fs)
78.7 Hz

DC Resistance (Re)
3.7 ohms
 
Voice Coil Inductance (Le)
0.76 mH

Mechanical Q (Qms)
7.42
 
Electromagnetic Q (Qes)
0.66

Total Q (Qts)
0.61
 
Compliance Equivalent Volume (Vas)
0.069 ft.³

Mechanical Compliance of Suspension (Cms)
0.55 mm/N
 
BL Product (BL)
4.52 Tm

Diaphragm Mass Inc. Airload (Mms)
7.4g
 
Maximum Linear Excursion (Xmax)
4 mm

Surface Area of Cone (Sd)
51.5 cm²
 
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
4.13″

Baffle Cutout Diameter
3.66″
 
Depth
2.64″

# Mounting Holes
4
 
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume
0.1 ft.³

Sealed F3
84 Hz
 
Vented Volume
0.3 ft.³

Vented F3
41 Hz