Tommy D
DFO Veteran
I have done bearing edge work on Concept Maples and Concept Birch kits, so basically the same shells as these. Yeah, they benefit from having trued edges and consistent edge cuts. Like any Low/Mid grade kit, bearing edges are where they spend the least time. When I did my Concept Maples I did a slight round over (I believe it was with a 3/16" bit) with a sharp apex and a 45 on the inside. I wanted to get a bit better shell/head contact but still keep a sharp apex to maintain sustain in the drum head. Of course I varied the amount of round over between the toms, snare and bass drum to maintain the effect according to the head size.
When I did my Concept Birch drums, I did an offset double 45 on the 16", which is what the drum had from the factory. That drum tunes up super easily and still has a lot of grunt in the low end. I was rather surprised as double 45's are generally not a cut I make on drums.
In general, the drums do benefit from having new edges cut. Depending on what someone might charge you, you may want to consider it. As for cutting down the floor toms, I'm guessing you will have to cut 3" minimum off the top of them to clear the existing lug holes. I haven't done the measurements in a long time, but that sounds about right. So that makes for an 14x11 and 16x13. I like the 16x13, but 14x11... That's just about a rack tom size. I would have a mild amount of concern that the drum will not produce enough grunt/growl and will have too "pure" of tone to it. Also, at that shallow a depth you may find your floor tom legs to be too short to raise the drum to a proper playing height.

When I did my Concept Birch drums, I did an offset double 45 on the 16", which is what the drum had from the factory. That drum tunes up super easily and still has a lot of grunt in the low end. I was rather surprised as double 45's are generally not a cut I make on drums.

In general, the drums do benefit from having new edges cut. Depending on what someone might charge you, you may want to consider it. As for cutting down the floor toms, I'm guessing you will have to cut 3" minimum off the top of them to clear the existing lug holes. I haven't done the measurements in a long time, but that sounds about right. So that makes for an 14x11 and 16x13. I like the 16x13, but 14x11... That's just about a rack tom size. I would have a mild amount of concern that the drum will not produce enough grunt/growl and will have too "pure" of tone to it. Also, at that shallow a depth you may find your floor tom legs to be too short to raise the drum to a proper playing height.
Last edited: