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GROUND ZERO RADIOACTIVE GZRW 30SPL-EXTREME Product name GZRW 30SPL‐Extreme Gasket Foam Product type Subwoofer chassis Terminal Black chrome push terminal H.Art .nr. 113267 Power handling Power handling 1400 W SPL Power 1400 W SPL Power Diameter 300 mm / 12“ Impedance 2 x 2 Ohm Mounting diameter 281 mm / 11.06“ Re 4,3 Ohm Mounting depth 157 mm / 6.18“ Res 81,1 Ohm Magnet dimension 2 x 190 x 20 mm FS 33.7 Hz Total weight 11,8 KG Qms 5.93 Voice coil diameter 75 mm / 3“ Round Wire Qes 0.46 Voice coil winding height Voice coil winding height 37 mm / 1 46“ 37 mm / 1.46 Qts 0 42 0.42 Voice coil wire material CCA Rms 6,3 kg/s Voice coil former material Aluminium Cms 0.13 mm/N Top plate height 14,5 mm / 0.571“ Mms 175,1 gr Linear excursion (one direction) 11,25 mm / 0.44“ BL 18.7 N/A Effective Xmax 25 mm / 0.984“ SPL 92 dB Top Plate and T‐Yoke color Chrome VAS 46,5 L / 1.64 cu.ft Basket material Basket material Aluminium Cast Le 2 1 mH 2.1 mH Basket color Yellow Recommended freq. response 30 – 120 Hz Spider 2x Connex Recommended amplifier power 700 – 1400 WRMS @ 4 Ohm (1 Ohm) Surround VOXR U Shape Sound Quality ☺☺ Cone Reinforced Paper SPL Competition ☺☺☺☺ (max. ☺☺☺☺☺☺) Dustcap IMPP invers with 3D Logo Low bass performance 20‐50Hz ☺☺☺ (max. ☺☺☺☺☺☺) Magnetcover PVC Mid bass performance 50‐80Hz ☺☺☺ (max. ☺☺☺☺☺☺) (max. ☺☺☺☺☺☺) Medium size vented box V L D V: 55 L / 1.94 cu.ft D: 2x 80 mm / 3.15“ L: 200 mm / 8“ No damping Medium size sealed box 20 – 28 L / 0.7 – 1.0 cu.ft 40 ‐ 60% polyester whool Medium size ed u s e ba bandpassbox dpassbo V1 V2 V1: 20 L / 0.706 cu.ft V2: 40 L / 1.11 cu.ft D: 100 mm / 4“ L: 100 mm / 8“ / L D 20% polyester whool in V1 No damping in V2 Die hier aufgeführten Gehäusevorschläge sind nur einige, der möglichen Varianten. Bitte beachten Sie zudem, dass die finale Abstimmung, speziell die Port Längen je nach Fahrzeug und eigenem Geschmack variiert werden sollte. Above‐mentioned enclosure recommendations are just a few possible variations. Please note that you should find the perfect tuning, especially port length, based on your car and own taste.
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