Goldwood GW-1858 18" Pro Woofer
Designed for sound reinforcement systems, lead guitar and rhythm guitars, practice amplifiers for bass guitar, stage monitors, and vocal PA systems. They feature accordion paper surround, poly laminated paper cone, and a vented pole piece.
| PRODUCT SPECIFICATIONS |
| Power Handling (RMS) |
220 Watts |
| Power Handling (max) |
340 Watts |
| Impedance |
8 ohms |
| Frequency Response |
20 to 6,000 Hz |
| Sensitivity |
94.3 dB 2.83V/1m |
| Voice Coil Diameter |
2.5" |
| Magnet Weight |
50 oz. |
| THIELE-SMALL PARAMETERS |
| Resonant Frequency (Fs) |
30.28 Hz |
| DC Resistance (Re) |
5.3 ohms |
| Voice Coil Inductance (Le) |
0.60 mH |
| Mechanical Q (Qms) |
6.70 |
| Electromagnetic Q (Qes) |
1.30 |
| Total Q (Qts) |
1.10 |
| Compliance Equivalent Volume (Vas) |
18.49 ft.³ |
| Mechanical Compliance of Suspension (Cms) |
0.23 mm/N |
| BL Product (BL) |
9.8 Tm |
| Diaphragm Mass Inc. Airload (Mms) |
120.9g |
| Maximum Linear Excursion (Xmax) |
3.4 mm |
| Surface Area of Cone (Sd) |
1277.01 cm² |
| MATERIALS OF CONSTRUCTION |
| Cone Material |
Paper |
| Surround Material |
Paper |
| Magnet Material |
Ferrite |
| MOUNTING INFORMATION |
| Overall Outside Diameter |
18.00" |
| Baffle Cutout Diameter |
16.50" |
| Depth |
7.875" |
| # Mounting Holes |
8 |
| OPTIMUM CABINET SIZE * |
| Sealed Volume |
14.65 ft.³ |
| Sealed F3 |
34 Hz |
| Vented Volume |
125.60 ft.³ |
| Vented F3 |
17 Hz |
| * Enclosure volume/F3s based on BassBox "optimum" calculations |
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