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Adding a Speaker Cab to My Spider Valve MK1 112


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This is probably a stupid question but is it possible to plug the builtin speaker into the B section and adding a second speaker cab?


My gut says yes but sadly my gut has a history of being wrong so I figured I would ask.


Thank you for the help!

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B has two outputs...So what you want is an 8 ohm cab if you want to use it with your internal speaker...


So yes, you can move the internal speaker from the 8 ohm out to one of the 4 ohm outs...plug your 8 ohm cab in the other and you should be good to go...

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you can plug an 8ohm speaker into the 4 ohm input ?...and where can you get a 112 cab to fit the dementions of theis cab ? , you almost have to leave the amp on bottom with the options out there.

 Thanks Gregg


Not really, I am running mine sitting on top of a 2x12 Marshall that has (2) 16ohm Celestions in it wired to be 8ohms so it runs all three speakers and it rocks!!

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