4 K SLIM (100 KRS WOOFER KIT)
4 ’ ’ K 2 P o w e r ® w o o f e r
•Extra slim 39 mm
•Zamak basket
•Aluminium phase plug
•Neodymium magnet
Frequency response / Impedance
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| 0° and 30° frequency response |
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dB SPL |
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| Ohms |
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100 |
| 0° | 110 | ||
95 |
| 100 | |||
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90 |
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| 90 |
85 |
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| 80 |
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80 |
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| 70 |
75 |
| 30° |
| 60 | |
70 |
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| 50 |
65 |
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| 40 |
60 |
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| 30 |
55 |
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| 20 |
50 |
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| 10 |
20 | 100 | 1000 |
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| 10 000 |
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| log Frequency - Hz |
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Specifications
| Nominal power | 50 W |
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| Maximum power | 100 W |
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| Sensitivity | 90 dB |
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| Cone | K2 Composite Sandwich® | ||
| Surround | Butyl |
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| Nom. impedance | 4 ohms |
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| DC resistance | 3.2 ohms |
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| VC diameter | 25 mm | 0.98 in |
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| VC height | 8.5 mm | 0.33 in | |
| Former | Kapton ® |
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| Layers | 2 |
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| Wire | Copper |
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| Inductance | 0,26 mH |
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| Xmax | 2.5 mm | 0.10 in | |
| Magnet (d x h) | - | - |
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| Magnet weight | - | - |
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| Flux density | 0.9 T |
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| Gap height | 3 mm | 0.11 in |
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| Net weight | 0.35 kg | 0.77 lb | |
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Parameters
| Fs | 140.6 Hz |
| Vas | 1.13 l |
| Qts | 0.872 |
| Qes | 0.96 |
| Qms | 9.55 |
| Re (in parallel) | 3.2 ohms |
| Sd | 55.42 cm2 |
| Cas | |
| Mas | 159.23 kg/m4 |
| Ras | 14733.21 ohms.ac |
| Cms | |
| Mms | 4.89 g |
| Rms | 452 g/s |
| Ces | 339.49 mF |
| Les | 3.77 mH |
| Res | 31.83 ohms |
| BI | 3.8 N/A |
| SPL | 87 dB/W/m |
Suggested application
Load | V (l) | FB (Hz) | Q1 | |
Sealed | 30 | - | 120 | 7 |
Mechanical Drawing
| 113,5 | 5 |
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ø |
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| 4,50 |
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| 127 |
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| ø |
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| ø | 102 | 39 | 46 |
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| 12 |
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| ø 65 |
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| ø 77 |
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| ø 93 |
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| Unit : mm |
Focal® is a trademark of | |||||
France - Tel. 33 00 4 77 43 57 00 - Fax 33 00 4 77 37 65 87 - | |||||