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Post by georgiajim90 on Mar 19, 2017 11:49:15 GMT -7
Looking to run my blues jr. head & Marshall haze head into the one 2x12 best cab. What is the preferred way to go about running this setup? Also, been looking at possibly running a separate 2x12 cab in the mix as well, so 2 heads into both 2x12 cabs. How would you run that rig?? One last question, how is the impedance level affected if this is possible? (Running two 15w heads rated at 8ohm levels into one 2x12 cab OR running the two heads into two 2x12 8 ohm cabs). Thanks!
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Post by Jaguarguy (Mike) on Mar 19, 2017 12:43:57 GMT -7
Welcome to the Forum! A lot of good information and people here!
The only way to run two amps into one cab is if each amp is run independently to it's own dedicated speaker(s) in the cab, and the speakers are NOT connected to each other.
The easy way to run one cab with two amps is to use a Radial HeadBone to switch between the two heads. If you plug two amps into a mono cab at the same time, you're going to fry things VERY quickly.
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Post by georgiajim90 on Mar 20, 2017 17:40:29 GMT -7
Perfect! Thanks for your help.. just what I needed to know. Cheers
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Post by easyed on Mar 21, 2017 10:54:26 GMT -7
There's a second problem with using an ABY switch. One of the amps will have no load on the output. Tube amps are very unhappy with this situation and can cook the output transformer. You would be better off following Jaguarguy (Mike) first suggestion and having the two twelves wired separately and each head only utilizing one speaker. This would require two jacks. If you wanted to run it as a 2x12 you could use a third jack wired parallel to one of the other jacks and plug in a short jumper from one side to the other.
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