These low frequency OEM drivers are ideal for the customer who is looking for inexpensive replacement woofers. Each woofer features a treated poly-laminated paper cone, vented pole piece, moisture resistant poly foam surround, and stamped steel frame.
Product Details | |
|---|---|
| Brand | Goldwood |
| Model | GW-208/4 |
| Part Number | 290-310 |
| UPC | 643420100419 |
| Unit of Measure | Each |
| Weight | 3.5 |
Product Specifications | |
|---|---|
| Nominal Diameter | 8" |
| Power Handling (RMS) | 100 Watts |
| Power Handling (MAX) | 200 Watts |
| Impedance | 4Ω |
| Frequency Response | 45 to 7,000Hz |
| Sensitivity | 88dB 2.83V/1m |
| Voice Coil Diameter | 1.5" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 51.5Hz |
| DC Resistance (Re) | 3.7Ω |
| Voice Coil Inductance (Le) | 0.4mH |
| Mechanical Q (Qms) | 4.11 |
| Electromagnetic Q (Qes) | 0.85 |
| Total Q (Qts) | 0.7 |
| Compliance Equivalent Volume (Vas) | 0.81ft³ |
| Mechanical Compliance of Suspension (Cms) | 0.38mm/N |
| BL Product (BL) | 5.93T·m |
| Diaphragm Mass Inc. Airload (Mms) | 24.9g |
| Maximum Linear Excursion (Xmax) | 3.5mm |
| Surface Area of Cone (Sd) | 205.9cm² |
Materials of Construction | |
|---|---|
| Cone Material | Treated Paper |
| Surround Material | Foam |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 8" |
| Baffle Cutout Diameter | 7.125" |
| Depth | 3.69" |
| # Mounting Holes | 4 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.85ft³ |
| Sealed F3 | 61.9Hz |
| Vented Volume | 1.25ft³ |
| Vented F3 | 42.2Hz |
