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-205/4S |
| Part Number | 290-374 |
| UPC | 643420100372 |
| Unit of Measure | Each |
| Weight | 3 |
Product Specifications | |
|---|---|
| Nominal Diameter | 5-1/4" |
| Power Handling (RMS) | 70 Watts |
| Power Handling (MAX) | 130 Watts |
| Impedance | 4Ω |
| Frequency Response | 62 to 12,000Hz |
| Sensitivity | 87dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 83.1Hz |
| DC Resistance (Re) | 3.6Ω |
| Voice Coil Inductance (Le) | 0.2mH |
| Mechanical Q (Qms) | 3.18 |
| Electromagnetic Q (Qes) | 0.87 |
| Total Q (Qts) | 0.68 |
| Compliance Equivalent Volume (Vas) | 0.19ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.4mm/N |
| BL Product (BL) | 4.44T·m |
| Diaphragm Mass Inc. Airload (Mms) | 9.1g |
| Maximum Linear Excursion (Xmax) | 2mm |
| Surface Area of Cone (Sd) | 96.77cm² |
Materials of Construction | |
|---|---|
| Cone Material | Treated Paper |
| Surround Material | Foam |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 5.25" |
| Baffle Cutout Diameter | 4.75" |
| Depth | 3.125" |
| # Mounting Holes | 4 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.24ft³ |
| Sealed F3 | 100Hz |
| Vented Volume | 0.5ft³ |
| Vented F3 | 64.8Hz |
