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I came across an interesting product for vibration damping etc. Bamboo? Anyone has any comments or experience with it? It's cheaper than Maple thats for sure, lol!
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Image: Outboard power supply for preamplifier placed on a laminated bamboo isolation platform implementing Herbie's Audio Lab footersI first discovered that a .75'' thick laminated bamboo cutting board supported by a quadpod set of brass cones sounds excellent as a carpeted floor placed isolation platform for my power line conditioners. The laminated bamboo board does not seem to have an identifiable sonic signature to my ear as compared to some other materials that I've tried. When components are placed on the edge-grain (more resonant than end-grain) laminated bamboo board, the components weight dampens the materials ring just enough without it sounding "dead", which I don't care for when selecting materials for plinths and isolation platforms, except for one component...
The only relatively dead sounding vibration control device that I prefer is used for my digital transport: I replaced the transports stock feet with a quadpod set of Herbie's Audio Lab Tenderfoot feet, it's then placed on a 1.25'' thick end-grain (butcher block) Acacia isolation platform (yet another cutting board) supported by a tripod set of Audio Point 1.0AP1D brass cones placed on a tripod set of Audio Point APCD2 coupling discs with Herbie's Audio Lab grungebuster Dots placed between the coupling discs and the surface of an ordinary MDF rack shelf.
Another laminated bamboo isolation platform that I use is the one drawn in the above image. The outboard power supply is very sensitive to vibration control methods. I tried a number of different configurations until I (very happily) settled for the configuration as shown. The resulting presentation is lively and musical while sounding quite controlled, with a rather uncolored sounding sonic signature, IMHO. I find the Gabon Ebony Dome and Iso-Cup with Gabon Ebony Ball combination to be very effective with the laminated bamboo board sandwiched between them. YMMV
Interesting bamboo info can be found on the web:
- http://www.google.com/search?hl=en&ie=ISO-8859-1&q=bamboo+vibration+damping&btnG=Google+Search (Open in New Window)
I looked into bamboo for flooring and learned that it is made from small rectangular pieces that are glued together under high pressure. The samples that I looked at were extremely hard. I was told that they are used for floors in retail show rooms because they can take a lot of abuse from foot traffic. Maple shares these characteristics and is used for gymnasium floors, so maybe they share some acoustic characteristics too. The bamboo seems more like a synthetic product though, and would have a fair amount of glue in it.
Go check it out!
Live Bamboo in the room can be used as a room acoustic treatment, but it's not smart to use it for vibration dampening. Bamboo resonates in mid to upper midrange frequencies. As a room treatment it can enhance these frequencies and raise the pitch of the bass in corners if properly tuned. The same could be said for other types of live and silk plants. Experiment....
Lot's of audiophiles use bamboo cutting boards etc. There's some speakers made from it. It has a very musical sound when you strike it, which might or might not be a good thing. It could be too resonant, coloring your sound, or it might be sympatico with good sound. Try it and get back to us!
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