Two (2) Acoustic Sciences Corp. 18" SubTraps. Redecoration/design has made these persona non grata. These have only lived in a non-smoking, no pet household. They are in excellent condition, with just a few easily painted-over dings. New, these cost over $600/each.

Per the company: "The SubTrap floats the sub off the floor to eliminate sympathetic structural vibration and at the same time adds a bass trap to damp the buildup of room modes that couple to the subwoofer."

I will sell them both, together, for $600, or separately for $325/each. Because of their size, though not particularly heavy, I would prefer local (Seattle) pickup. I'd be willing to ship them, but it'll be somewhat expensive due to shipping and packaging requirements (I do not have the original boxes) and buyer would need to pay for both shipping and packaging.

Will accept cash or PayPal, only.

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edn4x4

Posted April 30, 2021

Did these improve your sound as stated by the manufacturer?
I have been interested in them for a while and are on my to buy list.

thanks

Eric

chetthejet

Posted May 11, 2021

Indeed, they did.

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Kal Rubinson

Posted April 30, 2021

Here's a report from ancient history:

stereophilesubtrapreview.pdf

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feelingears

Posted May 11, 2021

Thanks, @Kal Rubinson, you helped me get off my rear to try this. And, SO GLAD I did...removed the resonance issue I have/had and also changed the character of the frequency presentation for the better. I only needed and bought one so chetthejet has one more still for sale.

Thank you, @chetthejet!

p.s., I did not employ this as a sub stand, just a bass trap. But, I may put a power conditioner on top since it would work in that capacity. Or, maybe a pair of small monoblocks. But as a trap, it's working great.