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In Reply to: RE: considering a DIY amp stand; would granite or marble make good or bad choices? posted by Green Lantern on January 08, 2013 at 15:07:11
shelviong I have found is spruce. I have been advocating that audiophiles take a lesson from instrument makers who have been experimenting with materials for centuries. Spruce is the favored material for piano soundboards, and that instrument has probably the greatest range of any instrument ( well, maybe excpet for an organ). It is also the favored material for the soundboard of a harp as well as the tops of violins, guitars and other stringed instruments.Some will proclaim that the use of spruce is merely adding euphonic distortion. Definitely not so: finer nuances of the performance are more readily heard and a more natural tonality is put forth. This works with solid state electronics as well as tubed.
The picture is of a spruce shelf made from an old piano soundboard that I made. The spruce is simply butt jointed and the ribs are laid 90 degrees to the planking. This one was from a 1901 Steinway, BTW: the soundboard had developed too many cracks and needed to be replaced.
Implementation is the key. You can not lay the spruce flat on another support: it will spound very dead. The spruce must be elevated above the existing shelving and the weight sort of cantilevered upon the shelf. I have used simple spruce planking and achieved the same effect. The spruce support must be at the far edges of the shelving or planking. Of course for your amp at least a one inch thick spruce plank would be necessary.
Use of spruce in this manner creates a most organic sound quality, one which when implemented under digital components can elevate their sound to vinyl status.
Of course. YMMV.
Stu
Edits: 01/09/13Follow Ups:
I just did a bit of research and found a Japanese hardware store in downtown LA that carries spruce cutting boards like the one pictured above. I may have to give one a try or perhaps find a wood supplier that carries spruce.
Anzen Hardware
309 E 1st St
Los Angeles, CA 90012
Little Tokyo
All kinds of Japanese hand tools. Kitchen tools, etc.
nt.
for $59; spruce; and even has it's own legs
Unfortunately it would be too small for my amp-
may the bridges I burn light the way...
Edits: 01/10/13
for a go board.
Stu
I'm not allowed near knives!
may the bridges I burn light the way...
Go is a board game played with black and white pebbles and is sort of akin to chess, in a way, being a game of strategy and conquest.
once very popular in Japan
stu
a German company making speaker cabinets out of spruce. Haven't heard them though. I believe they also make racks of spruce also ( but being German, a bit pricey). A CES exhibitor told me was favorably impressed with a Japanese speaker which mounted the speaker in a guitar body ! I am assuming that body had a spruce top....
You can buy spruce planking or bracing boards from many lutetier suppliers.
A couple of pieces will suffice as long as you elevate the planking above the shelf.
stu
Sorry the holes are from the mounting points for the piano strings, and a crack is clearly visible, the reson why the soundboard ws changed in the first place. for the curious, it is from a 1901 Steinway.stu
Edits: 01/09/13
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