Product Description
Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes. An efficient, low-distortion Neo-Sym 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 DETAIL |
|
|---|---|
| Speaker Series | Neo-Balance |
| Model Number | ND90-4 |
| List Price | $27.99 |
| Unit of Measure | Each |
| UPC | 844632081064 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight | 0.5500 |
PRODUCT SPECIFICATIONS |
|
| Speaker Type | Full Range |
| Nominal Diameter | 3.50" |
| Power Handling (RMS) | 20 watts |
| Power Handling (max) | 40 watts |
| Impedance | 4 ohms |
| Sensitivity | 80.6 1W/1m |
| Frequency Response | 80 - 15,000 Hz |
| Voice Coil Diameter | .75" |
THIELE-SMALL PARAMETERS |
|
| DC Resistance (Re) | 3.52 ohms |
| Voice Coil Inductance (Le) | 0.57 mH |
| Resonant Frequency (Fs) | 77.0 Hz |
| Mechanical Q (Qms) | 5.71 |
| Electromagnetic Q (Qes) | 0.84 |
| Total Q (Qts) | 0.73 |
| Diaphragm Mass Inc. Airload (Mms) | 4.30 g |
| Mechanical Compliance of Suspension (Cms) | 1.00 mm/N |
| Surface Area Of Cone (Sd) | 31.2 cm2 |
| Volume of Displacement (Vd) | 12.5 cm3 |
| BL Product (BL) | 3.00 Tm |
| Compliance Equivalent Volume (Vas) | 0.05 cu. ft. |
| Maximum Linear Excursion (Xmax) | 4.0 mm |
MATERIALS OF CONSTRUCTION |
|
| Cone / Diaphragm Material | Black Anodized Aluminum Cone |
| Surround Material | Rubber |
| Voice Coil Former | Polyimide |
| Dual Voice Coil | No |
| Magnet Material | Neodymium |
| Shielded | No |
MOUNTING INFORMATION |
|
| Overall Outside Diameter | 3.500" |
| Overall Depth | 2.250" |
| Baffle Cutout Diameter | 3.000" |
| # Mounting Holes | 4 |