I can pretty much agree. I find mine a little hollow at times (or scooped), but fairly aggressive as you say. I think I could stand for an ash body for a little more edge, but that kind of comes down to personal preference.
As far as wide as your sister, I can't say for sure I agree with the analogy, but I think I understand what you're saying. I get a lot of comments from sound guys about the tonal spectrum. I would like to hear a little better sound from my amp, but that's the amp, which is something I plan on rectifying very soon
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i wanted to record with it in my metal band, but the bass part is more of a supporting role, so when i tracked with it, no matter how it was tweaked, my bass _was_ the mix, vice being a part of it...i ended up using my ash/padauk lefay for much of, then a spector and a couple of warwicks
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