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WF1203C WF1503C WF1203S WF1503S
8518900090
| Model No. | WF1203C | WF1503C | WF1203S | WF1503S |
| Nominal Diameter | 320/12 mm/inch | 380/15 mm/inch | 320/12 mm/inch | 380/15 mm/inch |
| Rated Impedance | 8 ohm | 8 ohm | 8 ohm | 8 ohm |
| Max Power | 800 watts | 1000 watts | 800 watts | 1000 watts |
| RMS Power | 400 watts | 500 watts | 400 watts | 500 watts |
| Sensitivity | 99 dB | 99 dB | 99 dB | 99 dB |
| Frequency Range | 50-2000 Hz | 40-2000 Hz | 50-2000 Hz | 40-2000 Hz |
| Effective Piston Diameter | 282/11.1 mm/inch | 330/13 mm/inch | 282/11.1 mm/inch | 330/13 mm/inch |
| Minimum Impedance | 5 ohm | 5 ohm | 5 ohm | 5 ohm |
| Voice Coil Diameter | 75.5/3 mm/inch | 75.5/3 mm/inch | 75.5/3 mm/inch | 75.5/3 mm/inch |
| Voice Coil Material | Copper | Copper | Copper | Copper |
| Voice Coil Winding Depth | 20/0.8 mm/inch | 20/0.8 mm/inch | 20/0.8 mm/inch | 20/0.8 mm/inch |
| Number of layers | 2 | 2 | 2 | 2 |
| Kind of layer | outside | outside | outside | outside |
| Top Plate Thickness | 10/0.4 mm/inch | 14/0.4 mm/inch | 10/0.4 mm/inch | 14/0.4 mm/inch |
| Cone Material | no pressed pulp | no pressed pulp | no pressed pulp | no pressed pulp |
| Cone Design | curved | curved | straight | straight |
| Surround Material | polycotton | polycotton | polycotton | polycotton |
| Surround Design | M-roll | M-roll | triple roll | triple roll |
| Model No. | WF1203C | WF1503C | WF1203S | WF1503S |
| Nominal Diameter | 320/12 mm/inch | 380/15 mm/inch | 320/12 mm/inch | 380/15 mm/inch |
| Rated Impedance | 8 ohm | 8 ohm | 8 ohm | 8 ohm |
| Max Power | 800 watts | 1000 watts | 800 watts | 1000 watts |
| RMS Power | 400 watts | 500 watts | 400 watts | 500 watts |
| Sensitivity | 99 dB | 99 dB | 99 dB | 99 dB |
| Frequency Range | 50-2000 Hz | 40-2000 Hz | 50-2000 Hz | 40-2000 Hz |
| Effective Piston Diameter | 282/11.1 mm/inch | 330/13 mm/inch | 282/11.1 mm/inch | 330/13 mm/inch |
| Minimum Impedance | 5 ohm | 5 ohm | 5 ohm | 5 ohm |
| Voice Coil Diameter | 75.5/3 mm/inch | 75.5/3 mm/inch | 75.5/3 mm/inch | 75.5/3 mm/inch |
| Voice Coil Material | Copper | Copper | Copper | Copper |
| Voice Coil Winding Depth | 20/0.8 mm/inch | 20/0.8 mm/inch | 20/0.8 mm/inch | 20/0.8 mm/inch |
| Number of layers | 2 | 2 | 2 | 2 |
| Kind of layer | outside | outside | outside | outside |
| Top Plate Thickness | 10/0.4 mm/inch | 14/0.4 mm/inch | 10/0.4 mm/inch | 14/0.4 mm/inch |
| Cone Material | no pressed pulp | no pressed pulp | no pressed pulp | no pressed pulp |
| Cone Design | curved | curved | straight | straight |
| Surround Material | polycotton | polycotton | polycotton | polycotton |
| Surround Design | M-roll | M-roll | triple roll | triple roll |
