SQL 12 EXTREME Speaker Specifications Power Pe 1300/1950 RMS/Nom DC resistance Rdc 1,94 Ω Nominal impedance ZN 2 Ω Resonance frequency fs 33 HZ 4 inch +- 15 mm Mechanical Q factor Qms 2,52 Electrical Q factor Qes 0,41 Total Q factor Qts 0,35 Moving mass Mms 216,42 Sd Mechanical resistance Voice coil diameter Xmax Diameter External diameter 326 mm / 12,83 inch Installation diameter 281 mm / 11,06 inch g Installation depth 198 mm / 7,80 inch 490 cm2 Magnet diameter 230 mm / 9,06 inch Rms 19,4 Kg/s Compliance Cms 0,11 mm/N Force factor BL 14 Tm Equivalent air volume Vas 36 dm3 93 dB Effective piston area SPL 2,83V/1m Cone: Paper Spider: Nomex Surround: Rubber Coil former: Aluminium Basket: Aluminium Dust cap: PP Recommended Boxes (including Ports / Drivers) Vented Box Band Pass V1 or V: 65 l V: 65 l Ft: 44 Hz Ft: 43 Hz d: 2 x 100 mm d: 1 x 100 mm (2 x 3,94 inch) (1 x 3,94 inch) l: 300 mm l: 150 mm (11,81 inch) (5,91 inch) V2 V1: 40 l V2: 25 l Fm: 60 Hz d: 2 x 100 mm (3,94 inch) l: 230 mm (9,06 inch) Audio System Europe GmbH, Bertha-Benz-Str.9, 72141 Walddorfhäslach / Germany Double Vented Bandpass V1 V1: 23 l F1: 77 Hz d: 2 x 100 mm (2 x 3,94 inch) l: 260 mm (10,24 inch) V2 V2: 53 l F2: 40 Hz d: 1 x 100 mm (1 x 3,94 inch) l: 230 mm (9,06 inch) www.gladen-audio.com
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