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ND105-4 4" Aluminum Cone Midbass Driver 4 Ohm

Quick Overview

Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes.

Product Highlights

• 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

Product Manuals / Spec Sheets / Downloads

Product Description

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.

OPTIMUM CABINET SIZE *

Sealed Volume 0.1 ft.³
Sealed F3 84 Hz
Vented Volume 0.3 ft.³
Vented F3 41 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations

Product Details

Speaker Series ND Series
Model Number ND105-4
List Price $34.99
Color Black
Unit of Measure Each
UPC 844632081071
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.8000
Speaker Type Midrange
Nominal Diameter 4"
Power Handling (RMS) 30 watts
Power Handling (max) 60 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity 86.8 dB @ 2.83V/1m
Frequency Response 60 - 10,000 Hz
Voice Coil Diameter 25 mm
Magnet Weight --
DC Resistance (Re) 3.7 ohms
Voice Coil Inductance (Le) 0.76 mH @ 1 kHz
Resonant Frequency (Fs) 78.7 Hz
Mechanical Q (Qms) 7.42
Electromagnetic Q (Qes) 0.66
Total Q (Qts) 0.61
Diaphragm Mass Inc. Airload (Mms) 7.4g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 0.55 mm/N
Surface Area Of Cone (Sd) 51.5 cm²
Volume of Displacement (Vd) 20.6 cm³
BL Product (BL) 4.52 Tm
Compliance Equivalent Volume (Vas) 1.97 liters
Maximum Linear Excursion (Xmax) 4.0 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 105 mm
Overall Depth 67 mm
Baffle Cutout Diameter 93 mm
# Mounting Holes 4
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --