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MONACOR SPH-250CTC Speaker Driver Subwoofer
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Monacor SPH-250CTC Speaker Driver Subwoofer Dual Coil 2x100W 2x8 Ohm 91dB 20Hz-3500Hz Ø25.4cm
This Monacor SPH-250CTC dual-coil subwoofer reproduces deep bass for total sound immersion.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Subwoofer |
| Nominal diameter | Ø25.4cm |
| Power handling | RMS : 2x100W Max : 2x150W |
| Impedance | 2x 8Ω |
| Frequency response | 20Hz - 3500Hz |
| Sensitivity | 91dB/W/m |
| Voice coil diameters | Ø50mm |
| Magnet weight | 1.2kg |
| Magnet diameter | Ø145mm |
| Weight | 3.8kg |
| Thiele-Small parameters | |
|---|---|
| Resonant frequency (Fs) | 20Hz |
| DC resistance (Re) | 2x 6.8Ω / 3.4Ω |
| Voice coil inductance (Le) | 2x 1.0mH / 1.0mH |
| Mechanical quality coefficient (Qms) | 5.12 |
| Electromagnetic quality coefficient (Qes) | 0.26 |
| Total quality coefficient (Qts) | 0.25 |
| Equivalent volume (Vas) | 220L |
| Mechanical suspension compliance (Cms) | 0.98mm/N |
| Moving mass (Mms) | 70g |
| Force factor (BL) | 9.6Tm |
| Max linear excursion (Xmax) | ±4.5mm |
| Surface area of cone (Sd) | 343cm² |
| Materials | |
|---|---|
| Cone | Carbon fibre |
| Frame | Diecast aluminum |
| Voice coil former | Kapton |
| Mounting informations | |
|---|---|
| Total outer dimensions | Ø258mm |
| Cutout diameter | Ø232mm |
| Depth | 123mm |
| Bolt circle diameter | Ø243mm |
| Number of mounting holes | 4 |
| Speaker Power (W RMS) | 100.0 |
| Speaker Type | Subwoofer |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 250.0 |
| Diaphragm type | Carbon fiber |
| Efficiency / Sensitivity (dB) | 91.0 |
| Max Linear Excursion (Xmax) (mm) | 4.5 |
| Lowest frequency (Hz) | N/A |
| Highest frequency (Hz) | 3500 |
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