Connecting the 215XL
About Impedance Before you hook up your speaker cabinet, be sure that you understand a little about impedance. Impedance is the electronic load that the speaker puts on the power amplifier and is measured in Ohms. Here is the tricky, yet simple rule of impedance: When two speakers are wired in "Parallel" the total impedance is cut in half and when two speakers are wire in �Series� the total impedance is the sum of the speakers individual impedance. The 215XL impedance (many audio guys used the made up word �ohmage�, however the correct term is impedance) is 4 Ohms. So, when two 215XL�s are connected together in parallel, the total impedance is 2 Ohms. The impedance of your speaker also has an effect on your amplifier. In general, the lower the impedance, the more power your amplifier will put out.
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Hartke Systems
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IMPORTANT: There is a minimum safe impedance so be sure to check the manufacturer�s recommended impedance for your amplifier to avoid any damage to your amplifier or voiding your warranty. Connecting the 215XL to Your Amplifier The 215XL connections are made via 1/4� phone jacks located on the rear panel jack-plate. Be sure to make your connection with un-shielded speaker cable. Connect the Amplifier Output to the speaker Input on the 215XL�s rear jackplate. Using the EXTENSION Output The 215XL provides a convenient Extension Output for connecting additional speaker cabinets in parallel. Be sure to read the section above on impedance to insure a proper hook-up with your amplifier.
