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Torrefied Sitka Spruce Soundboard for Dreadnought Guitar

4.5
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Sanded Grade AAA

Item # 4771
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$57.69

3 or more $51.34
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Unsanded Grade AAA

Item # 4771-U
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Torrefied Sitka Spruce Soundboard for Dreadnought Guitar

About This Item

Already "broken in" for stability and tone.
Torrefied spruce is dimensionally stable (non-shrinking), with the clear tone and warm color of well-aged vintage tonewood.

Bookmatched sets of two quartersawn halves. When joined they're large enough for a Dreadnought guitar.

  • Each half is approximately 8-1/2" x 21" (216mm x 533mm)
  • Thickness-sanded to 0.125" - 0.130" (3.18mm - 3.30mm)

#4771-U Unsanded AAA soundboards
Approximately 5/32” (4mm) thick, ready for thickness-sanding to your own specs.

About torrefied wood
It takes years for a new guitar to break in, to develop its tone and realize its full potential. As tonewood ages, its cell structure goes through changes, becoming much more resonant and responsive. After a few years, you get the payoff: you begin to hear the sound of a vintage guitar.

With the introduction of torrefied woods, professional builders are giving their guitars a head start on tone. The wood is heat-treated in an oxygen-free kiln, making it highly resonant and extremely stable. It's as if the wood is pre-aged. It looks and sounds like wood that's been broken in for many years.


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4.5
  • 4.45 average rating from 11 reviews
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5.0

Still happy with Stewmac's torrefied Sitka spruce...

By
(Customer's Reviews)


I've completed my third and fourth Ovation re-top/restoration using Stewmac's torrefied Sitka spruce. Even though both guitars use completely different brace patterns, the torrefied wood really brings out the unique tone of both brace patterns. They both sound terrific, each in their own way.

My only suggestion to Stewmac would be to standardize the torrefaction process so that the wood has a consistent coloration. Both sets were purchased on the same order, but the set on the left guitar is noticeably darker than the set on the right. I do like the tight grain pattern and silking.

Still waiting for the torrefied Adirondack spruce tone wood and uncut brace stock...

5.0

Pretty happy with the results

By
(Customer's Reviews)


Just strung up a 14-fret Martin-esque 00 with this wood. It did split when I was unpacking it but managed to trim it down and the split ended up underneath the fretboard extension. Definitely handle with care, much more so than a standard top. Although Stewmac is always great when it comes to returns if need be.

The Sitka has some nice silking and narrow grain. A fair bit of runout but not too bad.

The guitar is very resonant. It has some nice sparkle when finger-picked. I used torrefied bracing also. Tall thin 1/4" and unscalloped. The smell of this wood is wonderful. Kinda smells like burnt honey.
I happen to like the "vintage" color of this wood. Both guitars in this photo were finished with Minwax Tung Oil Finish. No toner. No shellac.
I will definitely be building more guitars with this wood.

5.0

promissing

By
(Customer's Reviews)


Just bought a AAA torrefied Sitka soundboard.Didn't build with it yet,but my ears tell me from the taptone that this is gonna be a terrific sounding guitar.Let you hear later.

1.0

very brittle

By
(Customer's Reviews)


turns dark when stained, even with natural stain, after applying clear pore filler. not very happy,

Response from StewMac

We stand behind our return policy -- if you are not satisfied you may return it for a refund or exchange. Please call us at 1-800-848-2273. Anyone here would be happy to take your call!

-Spencer, Customer Support

5.0

1978 Ovation 1617-4 Legend...

By
(Customer's Reviews)


I was able to finish the 1978 Ovation 1617 using the torrefied wood and uncut torrefied brace stock I bought and I'm very pleased with both how it looks, and more importantly, how it sounds. I duplicated the forward X-brace from the Stewmac Dreadnaught plans and customized it to fit the Ovation body. The wood isn't as pretty as the set I used on the 1967 Balladeer, but it sounds every bit as good. I will continue to use and recommend torrefied wood. If you want a guitar that looks and sounds like an old one, nothing compares to using torrefied wood. Now, if only Stewmac would offer torrefied Adirondack tone wood and uncut brace stock...

4.0

Excellent sound board

By
(Customer's Reviews)


I found that it sands faster than untreated sound boards. The only problem I had was that there was a darker streat about three inches wide on both boards. I set the darker wood to the center rather than on the sides. After carving the braces and tuning the board, I really like the tone produced. I plan to order more of the Torrefied Sitka Spruce in the future.

5.0

Very pleased

By
(Customer's Reviews)


I was slow to get on board the torrified train, but after using one of these tops I'm a happy convert. I've ordered more and can't wait to use them. I'm very pleased with the sonic and visual properties of these tops. They are are a bit more brittle than the usual Sitka, but no more so than other woods such as redwood.
Kudos to Stewmac for their customer service. My second order of these tops weren't visually satisfactory. I was impressed with their response and the replacement tops more than met my criteria.

5.0

Top & Brace replacement with torrefied wood, December, 2015

By
(Customer's Reviews)


I took a dreadnought guitar that I had built and replaced the top wood and top braces with this torrefied wood. I am very pleased with the results. The dark golden color looks like an old top. The sound is very pleasing to me. I recently build a guitar with some 100 year old spruce. This torrefied wood sounds as good as that old wood and maybe even better. I've seen a lot of fads come and go in the years I've built and repaired instruments. I believe this torrefied wood is the real thing. I'd highly recommend it.

5.0

Small Jumbo

By
(Customer's Reviews)


This wood is more prone to crack or split when working, true. But you will be greatly rewarded for your extra care with an outstanding sounding guitar. This guitar with a Torrefied top and Rosewood back and sides is very responsive even to a light touch, with amazing projection and tone. The top has excellent silk across its full width, and some light figure. It was very stiff, allowing me to lighten the bracing, as well. If you build with it, use Torrefied bracing.
Another great product from Stew Mac.

4.0

Brittle, rating is for working it not its sound - looking forward to hearing it

By
(Customer's Reviews)


Man this wood is brittle. The heating has made it a tricky wood to handle, and if you've never used it before just be aware. It is totally intolerant of slightly blunt cutters, and until it has its braces on will split easily along the grain. Not for beginners, get a few builds under your belt before you take this wood on.
That said, I am totally looking forward to hearing how it sounds when I finish this one, and only wrote to advise luthiers to be ready for its brittleness. Should have stunning sustain.

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StewMac PDF Catalog, page 78 See Torrefied Sitka Spruce Soundboard for Dreadnought Guitar
on page 78 of our StewMac Catalog PDF

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