Dayton Audio's ND105-4 compact aluminum cone midbass produces high-impact
audio demonstrating the latest advances in high-excursion design processes. When
teamed up with the matching ND series passive radiators this driver can produce
incredible full sound from compact enclosures.
Key Features
Extended-range 60 Hz to 10 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
30 watts RMS power handling
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"
Moving Mass Of Diaphragm (Mmd) 7.4
Power Handling (RMS) 30 Watts
Power Handling (MAX) 60 Watts
Impedance 4Ω
Frequency Response 60 to 10,000Hz
Sensitivity 86.8dB 2.83V/1m
Voice Coil Diameter 1"
Thiele-Small Parameters
Resonant Frequency (Fs) 78.7Hz
DC Resistance (Re) 3.7Ω
Voice Coil Inductance (Le) 0.76mH
Mechanical Q (Qms) 7.42
Electromagnetic Q (Qes) 0.66
Total Q (Qts) 0.61
Compliance Equivalent Volume (Vas) 0.069ft³
Mechanical Compliance of Suspension (Cms) 0.55mm/N
BL Product (BL) 4.52T·m
Maximum Linear Excursion (Xmax) 4mm
Surface Area of Cone (Sd) 51.5cm²
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 0.1ft³
Sealed F3 84Hz
Vented Volume 0.3ft³
Vented F3 41Hz