Though they're on the expensive side, Silent Running Audio makes custom stands for the 33Hs. In my experience, SRA makes the best isolation devices available--and I've tried a bunch of 'em.
I own a granite import/fabrication company that typically makes 1" thick granite slab platforms for amps and speakers all the time. You can see the granite colors at www.fromangranite.com If you are interested, e-mail me your dimensions and granite color. I can give you a great price. Thanks, Gregg Froman
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