25 cm (10") bass midrange for PA applications. Attributes Paper membrane 65 mm voice coil for high power handling Til voice coil former Vented spider Additional vented air gap (6 holes) 28 mm t-yoke venting M shape surround for high excursion Connex / cotton spider EVA gasket Ferrite magnet Technical data Cm 0,24 mm/N Rated power 300 W Maximum power 450 W Nominal impedance Z 8 Ohm Frequency response fu-4200 Hz (fu: Lower cut-off frequency depending on cabinet) . Mittlerer Schalldruckpegel Mean sound pressure level 92 dB (2,83 V/1 m) Maximaler linearer Hub Maximum linear displacement +/-3,5 mm Excursion limit +/-8 mm Resonance frequency fs 52 Hz Height of front pole-plate 8 mm Voice coil diameter 65 mm Height of winding 15 mm Cutout diameter 230 mm Net weight 3,61 kg D.C. resistance Rdc 6,5 Ohm Mechanical Q factor Qms 9,59 Electrical Q factor Qes 0,34 Total Q factor Qts 0,33 Equivalent volume Vas 44 l Effective piston area Sd 353 cm² Dynamically moved mass Mms 37,6 g Force factor Bxl 15,6 Tm Inductance of the voice coil L 0,9 mH https://elecena.pl/product/18519873/3050-woofer-250-mm 2021-05-20 https://elecena.pl/product/18519873/3050-woofer-250-mm 2021-11-07 https://elecena.pl/product/18519873/3050-woofer-250-mm 2022-12-02 https://elecena.pl/product/18519873/3050-woofer-250-mm 2025-02-07