Looking to expand my knowledge re. impedance and control

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Enigma_2k4

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Hello,

I rembered something from a while back I didn't understand and would like to know why.

I had the same 2 subs, running off the same amplifier with the same cables. However, the subs have 2 voice coils, each voice coil is 2ohms. So, essentially I have 4 x 2ohm coils that I could wire up.

I tried 2 different options, first I wired them up in a 2 ohm configuration and then later into an 8 ohm configuration. Once I had it wired up in 8 ohms (and of course dialed up the power quite a bit) the music was MUCH MUCH better! Volume was the same but the subs seemed tighter, less "flubbery" and much more accurate and controled. At the time I figured that having more resistance would allow the amp to be able to exert more control of the drivers (also like they were less sensitive), is that a correct assumption? What would have made that difference to the music?
 

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