Sunday, 15 September 2013

All About Guitar Tone Wood

By Kathy Lambert


Tone wood is a term that is used to describe the wood with acoustic qualities that is used in guitar construction. While tone wood can refer to the top, back, and side plates of a guitar it is most often used to refer to the top wood used on a guitar. The reason for this is that most of a guitar's sound quality comes from the top of the instrument. The type and quality of wood plays a major role in the sound of the instrument as does the bracing pattern and the quality of construction. Read on to learn what to look for in a quality top tone wood for your guitar project.

Quartersawn Wood

There are a variety of ways that wood can be sawn. When you are purchasing wood for a guitar building project, you want to use only quartersawn wood. This is wood that has been sawn into quarters lengthwise. When you are looking at wood, try to purchase only wood that limits the grain to a maximum of 20 degrees off vertical. Quartersawn wood will provide more stiffness than other options.

Growth Rings Are Important

Ideally, you want a guitar top with a high number of growth rings. Growth rings are counted per inch and the best top tone woods will have at least 20 growth rings per inch. If you are building on a budget you can go as low as 12 per inch but don't use guitar top wood with less growth rings than 12.

Top Stiffness is Key

Stiff tops will provide better sound quality that tops that are mushy or easily bendable. A high number of growth rings and quartersawn wood will help to ensure you are getting a stiff top, as will buying wood from a reputable dealer. However, you can also pick up your soundboard and try to flex it parallel to the grain to check the stiffness.

Check The Tap Tone

What the heck is a tap tone? This is a simple test you can do when you are looking at tone wood for your guitar. Pick up one half of the top wood set. Hold it between your thumb and index finger and allow the wood to hang freely from your hand. Use the knuckle of your index finger from the other hand and rap the wood. You want to hear a bell like sound that is clear and has some sustain. You want a soundboard that will vibrate freely.

Consider Wood Species

The species of wood you choose for your guitar top is going to play a role in the sound of your finished instrument. Most guitar builders choose to use either a Red Cedar or Sitka Spruce for their acoustic guitar building projects. Both of these are quality tone woods. As you look at wood, keep in mind that different grades of wood will affect the appearance of your guitar more than the sound.




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