8 ohms receiver to 4 ohms bass shakers?

Question

I have 4 pcs. of Aura bass shakers and would like to connect it to my old pioneer audio/video receiver. The bass shakers are rated at 4 ohms impendance and the receiver is 8 ohms. What is the safest connection as to not damage my receiver. Also, will I have enough low frequency signal if I connect the bass shakers on a speaker level (left and right channel) instead of the line-level RCA sub output? Only when budget permit that I will opt to use Line level connection that will require me to buy a 4 ohms 4 way amp (car amp) and a 12v power supply or buy the more expensive buttkicker or clark systhesis tactile transducer. My plan is to add another dimension to my HD home theater system. Much appreciate your inputs.

Maniac · Accepted Answer

You can put the shakers in series for 8 ohm but you can't just add them to the same outputs as your main speakers.  If you are using this receiver for the shakers only you could do it. 

Why would you want to buy a car amplifier to power them in the future???  That's not a good way to do it at all.  You would be better off to just get a subwoofer plate amplifier...  http://www.parts-express.com/wizards/searchResults.cfm?srchExt=CAT&srchCat=505

You must be a car audio guy, I see post all the time with car audio guys stating that there are not many home audio amplifiers but in reality there are lots of them.  It's just outside their area of experience so they are not familiar with them.  A car audio amplifier and power supply would not be a good way to do anything in a home audio system.  It's terribly inefficient to step the voltage down to 12 volts then step it back up again for the amplifier output stages.  

mk

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8 ohms receiver to 4 ohms bass shakers?

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