The poly-laminated paper cone, treated foam surround, and polymer dustcap give these drivers a very smooth frequency response with minimal cone breakup. The shielded magnet structure of this driver makes it great for A/V applications.
Product Details | |
|---|---|
| Brand | Goldwood |
| Model | GW-204/4S |
| Part Number | 290-370 |
| UPC | 643420100358 |
| Unit of Measure | Each |
| Weight | 1.4 |
Product Specifications | |
|---|---|
| Nominal Diameter | 4-1/2" |
| Power Handling (RMS) | 40 Watts |
| Power Handling (MAX) | 70 Watts |
| Impedance | 4Ω |
| Frequency Response | 70 to 13,000Hz |
| Sensitivity | 86dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 139.8Hz |
| DC Resistance (Re) | 3.7Ω |
| Voice Coil Inductance (Le) | 0.1mH |
| Mechanical Q (Qms) | 7.19 |
| Electromagnetic Q (Qes) | 2.2 |
| Total Q (Qts) | 1.69 |
| Compliance Equivalent Volume (Vas) | 0.04ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.24mm/N |
| BL Product (BL) | 2.84T·m |
| Diaphragm Mass Inc. Airload (Mms) | 5.2g |
| Maximum Linear Excursion (Xmax) | 1.5mm |
| Surface Area of Cone (Sd) | 53.52cm² |
Materials of Construction | |
|---|---|
| Cone Material | Treated Paper |
| Surround Material | Foam |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 5" outside edge to edge, 4.15" |
| Baffle Cutout Diameter | 4" |
| Depth | 2.5625" |
| # Mounting Holes | 4 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.05ft³ |
| Sealed F3 | 128.9Hz |
