W 250 S woofer with 8 Ohm impedance of the Visaton brand. The W 250 S woofer has a very flat frequency which allows it to be easily integrated into a system. This speaker is ideal for use as a HiFi woofer or as a subwoofer.
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|Nominal impedance Z||8ohm|
|Outside diameter||283 mm|
|Mean sound pressure level||90dB|
|Coil diameter||38 mm|
|Resonance frequency fs||31 Hz|
|Electrical Q factor Qes||0.39|
|Mechanical Q factor Qms||1.88|
|Total Q factor Qts||0.32|
|Dynamically moved mass Mms||38 gr|
|Equivalent volume Vas||121 L|
|Frequency response||31–5500 Hz|
|Le Inductance bobine (Le)||1.5 mH|
|DC resistance. (Re)||6.6 Ohms|
|Effective piston area Sd||346 cm²|
|Linear Excursion (Xmax)||+/−7 mm|
|Force factor (BxL)||9.2 Tm|
|Magnetic induction||1.0 T|
|Magnetic flux||835 µWb|
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