User manual ALPINE SWE-843E

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[. . . ] **): calculate and add volume displacement of port(s) formula: outer diameter [dm] square times 3, 14 devided by 4, times length [dm] ports should be rounded (aeroports)!In cases where round tubes don't fit, channels with same cross-section (rounded at both ends) may be built. Fill loosely with poly-padding, vented encl. : 2 walls covered by acoustic foam. enclosure wall thickness: MDF/Multilayer: 19 to 22 mm. [. . . ] power handling [Watt RMS] low cut frequency (free flield) Flow [Hz] V1 V2 net box volume [Liter] * + ** V1 port diameter x length [cm] in V1 net box volume [Liter] ** V2 port diameter x length [cm] in V2 free field SPL at 90 Hz [dB/Wm] mech. **): calculer et ajouter le vomume de (des) évent(s) formule: diamètre extérieur [dm] au carré fois 3, 14 divisé par 4, fois la longueur [dm] les évents doivent être ronds !si Ies évents ne vont pas, des canaux à section similaire (ronds aux extrémités) peunvent être construits. garnitures : pour caisson clos, remplir partiellement, pour caisson bass-reflex, couvrir 2 pans de mousse acoustique. épaisseur des cloisons du caisson : MDF/Multicouche de 19 à 22mm. Filtre subsonic: filtre passe-haut du 3è ordre ou supérieur Dimensions de montage : Diamètre de montage Profondeur de montage Diamètre de l'aimant Espace recommandé derrière l'aimant Si le rebord descend dans l'enceinte Diamètre de rognage Profondeur de rognage 235 mm 139 mm 134 mm > 20 mm Sans 256 mm 14 mm Avec le joint 262 mm 16 mm ALPINE SWE-843E 20 cm Subwoofer ENCLOSURE RECOMMENDATIONS woofer-displacement: box type sealed net box volume [Liter] * free field SPL at 90 Hz [dB/Wm] mech. power handling [Watt RMS] low cut frequency (free flield) Flow [Hz] optimisation for: loud 0, 9 Liter normal 10 87 100 45 low / definition 15 86, 5 130 38 vented net box volume [Liter] *+** port diameter x length [cm] free field SPL at 90 Hz [dB/Wm] mech. power handling [Watt RMS] high cut frequency for subsonic filter[Hz] power handling with subsonic filter [W] low cut frequency (free flield) Flow [Hz] 15 5 x 17 89 100 30 130 40 - 20 6 x 23 88 100 28 130 34 9 9 8, 5 x 25 88, 5 130 38 25 6 x 22 87 100 27 130 30 13 10 8, 5 x 29 87 130 33 single vented band pass net box volume [Liter] * V1 net box volume [Liter] ** V2 port diameter x length [cm] in V2 free field SPL at 90 Hz [dB/Wm] mech. power handling [Watt RMS] low cut frequency (free flield) Flow [Hz] V1 V2 net box volume [Liter] * + ** V1 port diameter x length [cm] in V1 net box volume [Liter] ** V2 port diameter x length [cm] in V2 free field SPL at 90 Hz [dB/Wm] mech. power handling [Watt RMS] high cut frequency for subsonic filter[Hz] power handling with subsonic filter [W] low cut frequency (free flield) Flow [Hz] 13 5 x 23 11 10 x 20 91, 5 100 29 130 45 15 5 x 27 11 8, 5 x 16 90 100 27 130 40 20 5 x 23 11 10 x 29 89 100 25 130 34 double vented band pass V1 V2 *): add additional 1, 9 L for woofer!**): calculate and add volume displacement of port(s) formula: outer diameter [dm] square times 3, 14 devided by 4, times length [dm] ports should be rounded (aeroports)!In cases where round tubes don't fit, channels with same cross-section (rounded at both ends) may be built. Fill loosely with poly-padding, vented encl. : 2 walls covered by acoustic foam. enclosure wall thickness: MDF/Multilayer: 19 to 22 mm. Woofer screwed by metric thread knock-in nuts. Subsonic-Filter: high pass filter of 3rd order or higher mounting size: mounting hole diameter: mounting depth: magnet diameter: recomm. freeplay behind magnet: if flange gets lowered into baffle: grinding diameter: grinding depth: 183 mm 111 mm 134 mm > 20 mm without 206 mm 14 mm with rubber gasket 212 mm 16 mm ALPINE SWE-843E 20 cm Subwoofer CAISSONS RECOMMANDES volume du woofer type de caisson clos Volume net [Litre] * Libre champ SPL à 90 Hz [dB/Wm] Tenue en puissance [Watt RMS] Fréquence de résonnance [Hz] optimisation pour : fort 0, 9 Litres normal 10 87 100 45 bas/précis 15 86, 5 130 38 bass-reflex Volume net [Litre] *+** Diamètre et longueur de l'évent [cm] free field SPL at 90 Hz [dB/Wm] Tenu en puissance [Watt RMS] Fréquence de coupure haute pour filtre subsonic [Hz] Tenue en puissance avec filtre subsonic [W] Fréquence de résonnance [Hz] 15 5 x 17 89 100 30 130 40 - 20 6 x 23 88 100 28 130 34 9 9 8, 5 x 25 88, 5 130 38 25 6 x 22 87 100 27 130 30 13 10 8, 5 x 29 87 130 33 band-pass simple évent Volume net [Litre] * V1 Volume net [Litre] ** V2 Diamètre et longueur de l'évent [cm] en V2 Libre champ SPL à 90 Hz [dB/Wm] Tenue en puissance [Watt RMS] Fréquence de résonnance [Hz] V1 V2 Volume net [Litre] * + ** V1 Diamètre et longueur de l'évent [cm] en V1 Volume net [Litre] ** V2 Diamètre et longueur de l'évent [cm] en V2 Libre champ SPL à 90 Hz [dB/Wm] Tenue en puissance [Watt RMS] Fréquence de coupure haute pour filtre subsonic [Hz] Tenue en puissance avec filtre subsonic [W] Fréquence de résonnance [Hz] 13 5 x 23 11 10 x 20 91, 5 100 29 130 45 15 5 x 27 11 8, 5 x 16 90 100 27 130 40 20 5 x 23 11 10 x 29 89 100 25 130 34 band-pass double évent V1 V2 *): ajouter 1, 9L pour le boomer!**): calculer et ajouter le vomume de (des) évent(s) formule: diamètre extérieur [dm] au carré fois 3, 14 divisé par 4, fois la longueur [dm] les évents doivent être ronds !si Ies évents ne vont pas, des canaux à section similaire (ronds aux extrémités) peunvent être construits. garnitures : pour caisson clos, remplir partiellement, pour caisson bass-reflex, couvrir 2 pans de mousse acoustique. [. . . ] Portal de Gamarra 36, Pabellón 32 01013 Vitoria (Álava). 945-283588 ALPINE ELECTRONICS OF AMERICA, INC. 19145 Gramercy Place, Torrance, California 90501, U. S. A. 1-800-ALPINE-1 (1-800-257-4631) ALPINE ELECTRONICS GmbH Frankfurter Ring 117 80807 München, Germany Tel. [. . . ]

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