Will this work?

JMR

JMR

New member
OK so I have a stereo power amp, solid state, puts out 130W/side @ 4 Ohms. 75/side at 8 Ohms.

I want to build a 412 or 2 212 cabs, and I have 4 speakers: 2* 16Ohm Celestions and 2* 4 Ohm Peavey Scorpions (from early nineties - amazing speakers).

Is it OK to run the two 16s in parallel for 8 Ohms, and the two 4s in series, also for 8 ohms? The amp wont have a problem with that right? cause all it cares about is total impedance per side?

I am also wondering what the total impedance would be if I did a 16 and a 4 in parallel per side...


thanks for your help!!

(as always, if you can/want to answer these directly, great! If you would rather post links to resources that I can use to figure it out myself, and thereby increase my overall knowledge, great as well! )
 
Re: Will this work?

That sounds like a coool idea. I would go for (2) 2x12 cabs, both wired for 8 ohms resistance. The two 16 ohm speakers in parallel and the two 4 ohm speakers in series would each come to 8 ohms, which is cool. I also think putting the speakers in 2 separate cabs would allow you to take better advantage of spatial effects.
 
Re: Will this work?

Hey thanks for the reply!

I tried it out today in an Ampeg angled 412, with the Scorpions in the bottom and the Celestions in the top, each set wired independantly for 8 ohms total. Its pretty damn nice I must say, blows the doors off the previous config (just the two scorpions in an open back cab.)

I may split them up into two 2-12s in the future, but for now Ill go with the 412. It IS a 90s era Ampeg, so its basically a rebranded Crate, but its a solid cab I must say...
 
Re: Will this work?

I'm glad to hear it worked. As far as mixing speakers, I'm not sure how mixing impedences works mathematically.
 
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