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.
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.
Nominal Diameter : 4"
Power Handling (RMS) : 30 watts
Power Handling (max) : 60 watts
Impedance : 4 ohms
Sensitivity : 86.8 dB 2.83V/1m
Frequency Response : 60 - 10,000 Hz
Voice Coil Diameter : 1"
DC Resistance (Re) : 3.7 ohms
Voice Coil Inductance (Le) : 0.76 mH
Resonant Frequency (Fs) : 78.7 Hz
Mechanical Q (Qms) : 7.42
Electromagnetic Q (Qes) : 0.66
Total Q (Qts) : 0.61
Surface Area Of Cone (Sd) : 51.5 cm²
Compliance Equivalent Volume (Vas) : 0.069 ft.³
Maximum Linear Excursion (Xmax) :4 mm
Diaphragm Mass Inc. Airload (Mms) :7.4g
BL Product (BL) :4.52 Tm
Mechanical Compliance of Suspension (Cms) :0.55 mm/N
Cone Material : Aluminum
Surround Material : Rubber
Voice Coil Wire Material : Copper
Voice Coil Former : Kapton® / Polyimide
Magnet Material : Neodymium
Basket / Frame Material : Steel
Overall Outside Diameter : 4.13"
Baffle Cutout Diameter : 3.66"
Depth : 2.64"
Mounting Holes : 4
Sealed Volume : 0.1 ft.³
Sealed F3 : 84 Hz
Vented Volume : 0.3 ft.³
Vented F3 : 41 Hz