4 Ohm 4" Woofer w/ Low Resonant Frequency 32–9500 Hz 25 W KT 100 V 9070
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Product Information
Specification
| Rated power | 25 W |
| Maximum power | 40 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 32–9500 Hz |
| Mean sound pressure level | 80 dB (1 W/1 m) |
| Excursion limit | 7 mm |
| Resonance frequency fs | 42 Hz |
| Height of winding | 7 mm |
| Cutout diameter | 92 mm |
| D.C. resistance Rdc | 3.7 Ohm |
| Mechanical Q factor Qms | 2.94 |
| Electrical Q factor Qes | 0.69 |
| Total Q factor Qts | 0.56 |
| Equivalent volume Vas | 7.5 l |
| Effective piston area Sd | 52.9 cm² |
| Dynamically moved mass Mms | 7.5 g |
| Force factor Bxl | 3.3 Tm |
| Connections | 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) |
| Part Number | 9070 |
Description:
10 cm (4") woofer with low resonant frequency and compact size. Large strokes possible due to elastic rubber surround and deep magnet while noise is minimized through venting of air gap and t-yoke. Simple basket for various installation possibilities.
Accessories: Protective grilles.
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