Powered Sub
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 Axiom EP600 Powered Subwoofer New  US $1,860.00
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 NEW TSEQ12 SUNFIRE True Subwoofer EQ Signature TS EQ12 2700 Watt Powered SuB US $1,699.99
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 NEW Klipsch SW311 10 black 500W powered subwoofer US $1,599.95
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 Miller Kreisel MK MPS 5310 Powered Subwoofer 1 US $1,349.99
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 Miller Kreisel MK MPS 5310 Powered Subwoofer 2 US $1,349.99
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 NEW REL R505 12 500W powered subwoofer US $1,299.88
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 Mordaunt Short Mezzo 9 Powered Subwoofer in Black US $1,295.00
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 Axiom EP500 Powered Subwoofer New US $1,270.00
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 2 POLK AUDIO DSW PRO 660wi wireless ready Powered Sub Woofers 500watt 1 pair US $1,200.00
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 NEW Klipsch SW310 10 black 400W powered subwoofer US $1,049.95
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 Klipsch SW 310 Black Reference II Powered Subwoofer US $1,049.00
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 Klipsch SW 310 Reference Series 10 Powered Subwoofer Each Black US $1,049.00
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 New SpeakerCraft BassX Dual 8 Compact Powered Subwoofer US $1,049.00
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 Yamaha SW10STUDIO Powered Subwoofer 10 Woofer 120w US $999.99
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 Cambridge Audio Minx X500 Powered subwoofer in Black US $999.99
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 Cambridge Audio Minx X500 Powered subwoofer in White US $999.99
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 MK Miller Kreisel MX 200 High End Powered Subwoofer Mint 200 watt 2x12 WOW US $999.99
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 Yamaha SW10W 180W Powered Subwoofer US $999.99
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 PSB SubSeries 10 Powered Subwoofer {Brand New} US $999.00
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 PSB Sub Series 10 Powered Subwoofer {Brand New} US $999.00
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 VON SCHWEIKERT VR S1 POWERED SUBWOOFER VR S1 USED CONDITION US $999.00
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 NEW REL R205 10 200W powered subwoofer US $899.88
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 JBL JRX118SP 18 Powered Subwoofer US $899.00
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 JBL EON 518S Powered Subwoofer System US $899.00
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 JBL EON 518S Portable Powered Subwoofer EON518S SUB US $899.00
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 JBL EON518S 500W 18 Powered Subwoofer US $899.00
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 JBL JRX118SP Powered Portable 18Inch Subwoofer Powered Subwoofer New US $899.00
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 Mordaunt Short Aviano 9 Powered Subwoofer in Dark Walnut US $895.00
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 Mordaunt Short Aviano 9 Powered Subwoofer in Rosewood US $895.00
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 Velodyne EQ Max 15 15 Powered Subwoofer US $860.00
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 Velodyne MicroVee 65 inch 2000 Watt Powered Subwoofer US $799.00
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 JBL JRX 118SP 18 Powered Subwoofer SUB JRX 118 US $799.00
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 Definitive Technology SuperCube 4000 Powered Subwoofer US $799.00
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 JBL L8400 P 600 Watt High Performance Powered Subwoofer US $699.30
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 KEF Q400BO Powered Subwoofer Black Oak US $699.00
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 KEF Q400CH Powered Subwoofer Cherry US $699.00
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 NEW Velodyne MiniVee 8 Inch Powered Subwoofer 8 Sub US $645.00
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 Bang Olufsen Beosystem Yamaha Powered Subwoofer included LIKE NEW US $1,150.00
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 Velodyne EQ Max 12 12 Powered Subwoofer US $625.00
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 Fluance SX 51 Surround Sound Home Theater Speaker System w Powered Subwoofer US $624.99
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 Sunfire SDS12 Black Ash 12 inch 300 watt Powered Subwoofer US $600.00
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can I use a active (powered) sub woofer on a Home Theater system that has a passive subwoofer?
The active subwoofer has a rca connector and a power cord and the subwoofer output on the stereo has the speaker wire. can you interchange the two?
I have no idea what onegrtch is talking about. Some active (powered) subwoofers have speaker inputs for use with systems that do not have a preamp level sub output such as yours. The impedance of these inputs will be in the K-ohms and it has nothing to do with the impedance capability of your receiver. Your receiver will typically be capable of a few ohms so it will not even know the several thousand ohm input of the active subwoofer is there. These subwoofers will also have speaker outputs which are just a pass through of the speaker inputs. If your sub is like this then you simply connect your receivers sub speaker output to either of the speaker inputs on the sub and you do not use the other speaker connections on the sub.
If your sub has only the preamp output then it gets complicated. It can be done but you will need to build a simple circuit with resistors. Without knowing the gain of your sub the exact resistor values needed are unknown. What you need is a voltage divider with a total impedance of about 8 ohms give or take a couple ohms. An 8 ohm and a 1 ohm might be a good starting point. The two would be in series with the 1 ohm at the ground end. You would tap off the top of the 1 ohm and ground to go to your sub's preamp input. You might have to experiment some to determine the best values. If the signal is too strong you could put another 1 ohm in parallel with the first making your voltage divider become 8 in series with 1/2. If the signal is too weak then replace the 1 ohm with a 2 or larger until you get optimum results. If you have no idea what I'm talking about then don't try this at home. Or at least first study the concept of resistor network voltage dividers by googling it before you try. And then recognize that the voltage coming off your sub speaker output is too strong and that you are trying to reduce it while maintaining an appropriate impedance load on the sub output.
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QSC KSUB - 1000 watt Dual 12" Powered Subwoofer
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