Woofer Speakers I have two additional sub woofer speakers i am trying to hook up to my surround sound?
I have 2 25 watt 4 ohm bass shaker speakers (they are in a couch) I want to hook them up to my existing surround sound system. The speakes are not self powered, each speaker has two speaker wires coming out of them. I have an additional amp from a different surround sound system i plan on using. I am not sure how i can wire these up so the sub woofer from the surround sound and the 2 under the chairs will work in unison. Any ideas, web sites or diagrams would be extremly helpful.
Thank you
Assuming the amp you have addresses the power needs of the subs to drive them hard enough, your primary concern will be impedence matching. Determine the impedence specs of your amp and keep in mind that two 4-ohm loads connected in series will sum (8-ohm total), and two 4-ohm loads connected in parallel will divide by two (uneven loads require more math I won't get into here).
SO, if all three are 4-ohm each, and your system can handle 12-ohms, connect them in series. If your existing one is 8-ohm, then connect the two 4-ohm one in series, then connect that pair in parallel with the 8-ohm existing one (resultant load 4-ohms)
The other factor to consider is power handling of each of the three. Safe to assume the two that are the same have the same spec, but the existing oen may be less powerful.
You may be better off disconnecting the existing one entirely and utilizing the "new" two instead. As a general rule, fewer point-sources of any audio channel produces cleaner sound due to time-alignment being less of an issue.
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