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-   -   parallel wiring 16 ohm 4 ohm (http://www.diyaudio.com/forums/subwoofers/68286-parallel-wiring-16-ohm-4-ohm.html)

tobler 21st November 2005 02:35 AM

parallel wiring 16 ohm 4 ohm
 
can i know if i can wiring two subwoofer one 16 ohm and the other 4 ohm
if i can what will be the total impedance that amplifier need to operate them
note : the amplifier is 2 ohm capable

ray_moth 21st November 2005 02:54 AM

You can but you won't hear much from the 16 ohm subwoofer because most of the current will go through the 4 ohm unit. Effective impedance will be (16 x 4) / (16 + 4) = 3.2 ohm.

tobler 21st November 2005 04:18 AM

why?
 
is that mean that the 16 ohm subwoofer is useless?
my second subwoofer is (dvc) (4+4)ohm
what's is the best configuration for amplifier 4 channel (2,4,8)ohm capable
note: 2 channel is already occupied by 4 pioneer speaker
that is mean i wanna configuration for rest 2 channel

simon5 21st November 2005 04:28 AM

If your second subwoofer is DVC, then wire both coils in series, you'll get 8 ohms. Then ( 16 x 8 ) / ( 16 + 8 ) = 5.3 ohms

That way, your 16 ohms subwoofer will be more useful.

On the other hand, you'll be better to leave that 16 ohms subwoofer out of your system and wire your DVC subwoofer coils in parallel, so you'll get 2 ohms and get the most out of your amplifier.

What brand is the 16 ohms subwoofer? Subwoofers are mostly 8 ohms or less, unless it's a DVC 8+8 then you could wire it to get 4 ohms.


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