Spanish method of assembly

The American way of making guitars consists in building a separate body and neck, which are then assembled together by either screwing or gluing the neck to the body (dovetail joint). This method is very common in the industry, as it is better suited to mass production. In our years of experience as repairmen, we noted frequent problems related to this type of construction, such as possible warping around the 14th fret (neck/body joint) and/or with the end of the fretboard (part glued onto the body) sinking or rising. This happens more often because the neck does not move to the same level as the body. That’s why we opted for a slightly more complex type of construction allowing us to prevent a number of common problems.

Necks designed for the Spanish method of assembly are very different, as this method calls for an integrated neck/body construction. First of all, the neck runs along the entire fretboard. This keeps the fretboard from warping at the 14th fret and the end of the fretboard does not move independently from the neck, as it is stuck onto it. The result is a perfectly straight fretboard, from the nut right down to the rosette. A channel is made at the end of the neck to glue the soundboard onto it (neck-thru construction). In addition, a groove is precisely carved on each side of the neck heel to receive the sides (at an angle accurately adjusted to the shape of the soundboard). This maximizes the stability of the neck and assembly. The sides are also reinforced at the neck joint to counter the tension from the strings, thus highly reducing the chances of warping over the years. Finally the back is also glued onto the extension of the neck heel for added security. To conclude, the Spanish method of assembly is somewhat more complex than the American style, but results in greater stability. In addition, it allows for considerably better sustain.