Yamaha Seasons Wood to Make 'Vintage' Guitars

Fig 3: Comparison of acoustic spectrums. On the left is the spectrum of the existing L series, while the diagram on the right shows the spectrum of a guitar using the material processed with A.R.E.

Fig 3: Comparison of acoustic spectrums. On the left is the spectrum of the existing L series, while the diagram on the right shows the spectrum of a guitar using the material processed with A.R.E.

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