2 amps wired to 1 set of speakers?

Sweetums

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Got a question. If I really like the speakers in a combo amp (AMP 1), is there any reason I could not / should not make a new input jack for just the speakers and run another amp head (AMP 2) through just the combo speakers?

As long as I match wattage ratings, ohms, etc., this would work, right?

I would just use the positive/negative connections for the new "in" jack on each speaker that AMP 1 is not using, right?

To be clear, I understand I should not have AMP 1 powered on while using AMP 2.

Below is an example of what I'm talkin' bout... vox cab.jpg
 

Clifdawg

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There's no reason you can't (I remember seeing someone do this with a Fender Mustang III once so they could swap between modelling SS and a low-wattage tube head), but the problem is that inevitable one time you forget to plug the speaker back in on amp 1 and crank up.

It's not altogether inadvisable, just risky. If you're willing to double check the inputs every time you turn on, go for it. Otherwise, get a dedicated cab.
 

Sweetums

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Okay, but I could rewire the speakers to connect to an jack input plate, rewire AMP 1 to a jack (instead of directly to the speakers), then I would just be able to plug in either AMP 1 or AMP 2 in the single jack input plate. Right? I've seen this in other amps, like a Blue Deville.
 
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gball

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Does the combo amps speaker connection terminate with a standard 1/4” plug? Unplug and use an extender cable.
 


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