Anyone here remove their amp chassis from their 1x12 combo and use it as a solo 1x12 cab? If so, what did you do with the open space in front where the face of the amp sat? Do you leave it open? Do you fit another piece in there? Just curious as I am considering a few options.
Post by headshrinker (Marc) on Feb 17, 2018 9:45:14 GMT -7
I've done it with a spare I have. I just plug the chassis space with some foam I cut to fit in. It's then easily removable when I put a chassis in. You could cover it from the back with wood, but that means drilling holes. Without something plugging the empty space the cab sounds a lot thinner, as you have sound leaking through the space. I think that sound ends up a bit out of phase with what is coming out the back and front and thins it out. Or at least that's my layman's explanation. Sounds as good as an open back cab with the space plugged to me.
I actually first converted my JAZ 1x12 cab to a 2x10 cab by replacing the baffle with one I purchased from Dr Z. Then I also purchased a head cab for that chassis so, just like you, I had that opening to fill since I knew it would degrade the sound if I did not. I just cut a fir 2x3 to fit the space and painted it with a textured black rattle can spray paint and mounted it with screws. The screws go through the 2x3 and into the cabinet top panel. You just have to make sure that the screws are not too long so they don't go through the top. No glue, just screws. That way you can easily still revert back to the original configuration.
Almost as important as the space in front is having a proper back panel. I also fabricated a back panel, covered it with matching Tolex and mounted a plate with a 1/4" speaker jack.
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