These drivers feature a poly-mica cone, 1" voice coil, and rubber surround, making them great for small home theater projects. With an extremely small stray magnetic field, they can be used very close to CRT-based monitors.
Product Details | |
|---|---|
| Brand | Goldwood |
| Model | GW-4028/S |
| Part Number | 290-373 |
| UPC | 643420100259 |
| Unit of Measure | Each |
| Weight | 2.65 |
Product Specifications | |
|---|---|
| Nominal Diameter | 4" |
| Power Handling (RMS) | 40 Watts |
| Power Handling (MAX) | 70 Watts |
| Impedance | 8Ω |
| Frequency Response | 70 to 10,000Hz |
| Sensitivity | 83dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 83.1Hz |
| DC Resistance (Re) | 7.1Ω |
| Voice Coil Inductance (Le) | 0.4mH |
| Mechanical Q (Qms) | 2.4 |
| Electromagnetic Q (Qes) | 1 |
| Total Q (Qts) | 0.7 |
| Compliance Equivalent Volume (Vas) | 0.07ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.61mm/N |
| BL Product (BL) | 4.8T·m |
| Diaphragm Mass Inc. Airload (Mms) | 6g |
| Maximum Linear Excursion (Xmax) | 1.5mm |
| Surface Area of Cone (Sd) | 49.5cm² |
Materials of Construction | |
|---|---|
| Cone Material | Poly |
| Surround Material | Rubber |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 4.375" |
| Baffle Cutout Diameter | 3.75" |
| Depth | 2.75" |
| # Mounting Holes | 4 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.1ft³ |
| Sealed F3 | 97.2Hz |
| Vented Volume | 0.2ft³ |
| Vented F3 | 64.4Hz |
