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Roasted Bodies: What Do You Think?

This is not necessarily accurate. You do not need a $100,000 autoclave to accomplish full torrefaction, nor a complicated setup. It is a known process, with all of the scientific data readily available. There are many small builders who get very accurate results using very low tech. They key is knowledge and working out a good process for your own system. I know an excellent builder who uses a converted scrapyard oven literally in an old chicken coop for his $25,000 instruments and the results are world class.

cool. I wouldn’t be interested in that.
 
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My Sadowsky NYC has both roasted neck and alder body. It’s a gem.
View attachment 4904902
View attachment 4904903

Speaking as a Materials Scientist, we know that heat treating can improve the properties of the wood, when properly done, stabilizing the structure against moisture, increasing stiffness, and reducing weight. All desirable aspects.

How much that matters for the body of an electric bass guitar is a matter of opinion. Obviously can’t hurt; but whether the gain is worth the cost is viewer dependent.

The instrument above was my once-in-a-lifetime Jazz Bass commission, pulling out all the stops. It is a magnificent instrument. It does go out on gigs. I doubt anyone can tell the difference between it and my parts Jazz Bass, which has similarly configured electronics. Of course, I can tell the difference - about 2 pounds on the shoulder for one thing.

YMMV
And Birds Eye :drool::drool::drool::drool::drool:
 
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And there it is.

Also, if you're not using a $100k autoclave, then why are you charging $25k p/bass?
If you're saving a boatload by roasting your parts in a scrap oven,....in a chicken coop,....couldn't ya throw the customer a bone?

Sorry, I’m in the middle of doing things and was going to go back and edit. More labor, more process, more cost. Check warmoth for ballpark differences.
 
I Like my roast, medium Rare!

Seriously, would it not be easier to drill all Pilot holes etc prior to roasting? Does the timber move that much?

I believe you only roast / torrify raw lumber as there would be shrinkage in the process and that shrinkage would not be uniform as it would depend on the nature of the grain. I was getting at - if you drill pilot holes to big you might get less bite than you would with standard wood or too small and there is more risk of splits. Some luthiers don't like roasted lumber, others love it.
 
Sounds like some of the reasons people describe about why they like old pre-CBS Fenders. The two '64 P-basses I own are like that, with necks that are stiff and stable like granite. I could see the roasting process emulating that.
+1 Spot on.

In fact, the structural changes that occur naturally in wood, and are present in older instruments are pretty similar to what happens in the heat tempering process. The necks are particularly telling. Both my actual ‘62 Jazz and the Sadowsky with the roasted neck hardly respond at all to humidity swings, staying nearly in tune no matter what happens.
 
I have one roasted quarter sawn maple neck made by Musikraft.

What had happened was, one night I had a little too much wine and lost my mind which led to me buying something on the internet. Next thing I knew, I had ordered this P bass neck and I'd splurged extravagantly, on top of the extravagance, for this option. It was $10! It was nuts.
 
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So, we have seen a lot of roasted necks in the past little while, but you do not hear to much about roasted bodies. Is there an advantage to getting a roasted body? Do you have a bass (or had a bass) with a roasted body and do you think it makes a difference?

The one advantage I could think of is that it removes all the moisture so would likely be lighter. More resonant? I don't know, I have never tried one.
If you believe it’s worthwhile from the perspective of its sound and feel, then you should get one.
If you haven’t knowingly heard or tried one then you should do that before spending your money.
If you haven’t heard a difference when you’ve heard others playing one then you should probably not get one. After all, if you don’t hear a difference then there may not be enough difference to inspire you. Absent inspiration, why would you buy one?

Best (if cynical) advice: do what you want to do if you feel there’s a benefit.
 
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Ok, so I'll offer this up:

For anyone curious, you are welcome to stop by my shop for a bit of roasting nerdiness. You can check out:

1) my bracketed test examples of time and heat using a low tech process that almost any small builder can do

2) purchased wood that was done with a more complex (yet still small scale) sealed environment with forced nitrogen

3) directly compare them to sets done in a very expensive commercial setup that processes tens of thousands of board foot per moth.

Tactile, in person direct results for your curiosity. We can also cut, break, sand, and plane them. That is where I notice the most. (!!!)

After all that, then we can forget about the nerdiness and play a few tunes and get in some laughter....most folks seem to forget about that...
 
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Ok, so I'll offer this up:

For anyone curious, you are welcome to stop by my shop for a bit of roasting nerdiness. You can check out:

1) my bracketed test examples of time and heat using a low tech process that almost any small builder can do

2) purchased wood that was done with a more complex (yet still small scale) sealed environment with forced nitrogen

3) directly compare them to sets done in a very expensive commercial setup that processes tens of thousands of board foot per moth.

Tactile, in person direct results for your curiosity. We can also cut, break, sand, and plane them. That is where I notice the most. (!!!)

After all that, then we can forget about the nerdiness and play a few tunes and get in some laughter....most folks seem to forget about that...

Ok this is awesome. I may try to take you up on this next Spring!
 
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