User manual JBSYSTEMS RS-218B V1.1

[. . . ] Reproduction or publication of the content, even portions, in any manner, without express permission of the publisher, is prohibited. Dispose of the unit and used batteries in an environment friendly manner according to your country regulations. [. . . ] Be sure that your power amp is turned off before connecting the speakers. Therefore this speaker is intended for indoor use only, use of this product outdoors, in humid conditions, voids all warranties. A) Woofersseparated: Used when you only install 1 subwoofer or when the amplifier is not powerful enough to drive 1 subwoofer per channel. IMPORTANT: Both inputs must be connected and the amplifier must be set to MONO mode (NOT Bridge!) ® Both woofers inside the cabinet have their own Speakon input connector. This means that you can connect the left output of an amplifier to the left input of the subwoofer and the other amplifier output to ® the right Speakon input. (2x 1200Wpeak) B) Woofers in parallel: Used when you have powerful amplifiers that can deliver the high power needed by the subwoofer. Attention: when a second subwoofer is connected, the impedance drops from 4 to 2!Please note that most amplifiers do not support heavy working conditions while under 2 load. moreover the damping factor of your amplifier drops significantly resulting in a weaker bass response. Preferred setup combination: When used with the RS-15 cabinets you should try to keep a certain balance with this subwoofer to make a good sounding system. You should always use separate amplifiers for the top and sub cabinets plus an active crossover or audio processor. Of course you are not limited to this combination, you can experiment with other setups as much as you like!Speakon wiring is made as follows: POSITIVE = +1 and +2 NEGATIVE = -1 and +1 Cables to be used: You can use readymade cables but of course you can also assemble the speaker cables yourself. [. . . ] Support de connexion d'entrée Sur ce support de connexion se trouve un interrupteur protégé par un couvercle transparent. Zeer stevige multiplex klankkast met: Duurzame krasbestendige verf Ingebouwde handvaten Stalen front grill Aan de achterkant zijn bevestigingspunten voorzien voor (in optie verkrijgbare) wielen Uitgerust met 2 high power 18" woofers met ALU korf Kan perfect gecombineerd worden met 2x RS-15 klankkasten [. . . ]