Partially Loaded 4x12?

[MetalManiac]

OK..I have two EV12l''s. i can't afford two more- plus they are massive heavy speakers and might stress the cabinet. I have a 4x12 Marshall cabinet just collecting dust. I can put two cheap speakers unwired in the two empty slots and just run both EV's at 16 OHMs in a criss cross pattern. Anybody got any experience with such a set up, and if it would sound alright?

 

[Demanic]

Re: Partially Loaded 4x12?

Well, it certainly shouldn't sound bad. The two cheap unwired speakers will just act like passive radiators. I would do them in an x pattern.

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[regan]

Re: Partially Loaded 4x12?

Just install the 2 in opposite corners & have an oversized 2x12

 

[Demanic]

Re: Partially Loaded 4x12?

Well, the empty speaker holes would certainly be ports. But don't you think that they could be too big? I know that there is a science to properly porting a cab. But I don't know it in depth.

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[MetalManiac]

Re: Partially Loaded 4x12?

I just recalled that EV12l's work in open enclosures, it would probably act more like an open back cabinet without the pressure of all 4? ( even with the dummy speakers sealing the two open speaker..er ..openings , so I think there wouldn't be an issue maybe.

 

[dave74]

Re: Partially Loaded 4x12?

It would sound more open-back than ported left empty, and all closed-back if sealed with the dummies.
If sealed it will sound very close to how it's intended, but since you already have the pair of EV I'd be looking to do the speaker mix thing.

 

[Gone_Shootin]

Re: Partially Loaded 4x12?

A 4x12 with only two speakers is what is called a detuned cab. Google it, it's been done many times for many years.

 

[Demanic]

Re: Partially Loaded 4x12?

A 4x12 with only two speakers is what is called a detuned cab. Google it, it's been done many times for many years.

But does it mean that you leave the holes open?

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[dave74]

Re: Partially Loaded 4x12?

The "detuned" cab will sound basically as if you had a mic in front and in back of an open cab.
Or another way to put it; It's like running a pair of open 212s but one of them is turned backwards.

 

[Gone_Shootin]

Re: Partially Loaded 4x12?

But does it mean that you leave the holes open?

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Yep

 

[Jacew]

Re: Partially Loaded 4x12?

A 4x12 with only two speakers is what is called a detuned cab. Google it, it's been done many times for many years.

Been really interested since I read about that. I have a pair of g12h30's and only 1x12 currently. Was thinking about building a pair for it but don't really have time... For 2x12 I'd prefer vertical... And every option I run across is really expensive...

Detuned 4x12 seems like best option. And supposedly it's not bad for tone either? Any experience or opinion how g12h30 might work in there?