im planning on running to 2 different pairs of 12"s vented, in my new room to go with the 6" sealed. 1 pair is 4 ohm the other is 8 ohm impedance, in series would it be 12 ohm.. overall.. am i running into problems from doing this like varying impendence overload at given frequencieis?
No, but you will have the problem of one of the pair only having half the output of the other, and that may not sound very well.
AGGEMAM said:
I don't know much about electronics, but I don't think this is correct. They'll both get the same power based on the 12ohm load to the amp. The output difference would be based on their respective sensitivities. If they were wired in parallel, then the power would be allocated based on a 2/1 ratio, but the output would still be based on sensitivity. If the 8ohm unit had higher sensitivity by 3db, then they'd have the same output.
I believe subs wired in series have other problems though, but someone with more knowledge needs to explain.
Wired in series, you have the same current passing through each one. If you calculate power using current and impedance, it will not be the same.
Narcisse91 said:
It's been 20+ yrs since my only exposure to electronics in my college physics class, but isn't power (watts) = voltage X current and overall impedance is going to determine the current allowed to pass so in series they get the same voltage and current and therefore the same power?
Since you have 2 different loads (4 and 8), you will not get the same output from the two speakers. this is quite logical onsidering you have two different loads.. 
i belive i'm refering to kirchof's law or something quite like it here..
but hey, im not dead certain here.. just almost..
i belive i'm refering to kirchof's law or something quite like it here..
but hey, im not dead certain here.. just almost..
demogorgon said:
ya but that's not the point, the point is 4 12"''s will be playing instead of 2..
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