Saxophone tone holes are tone holes that exist in the body and bell of a saxophone. They are strategically placed in order to achieve a variety of notes while holding the best possible intonation.

Varieties

There are two varieties of tone holes, straight and rolled. Straight tone holes are much more prevalent, but rolled tone holes are favored by some saxophonists as they supposedly produce a different timbre of sound. An American company based in Elkhart, Indiana named "Martin" manufactured saxophones with straight toneholes that were tapered, i.e. the circumference of the tone-hole chimneys was smaller at the point of contact with the leather pads than where they were soldered to the main body of the instrument.

Instruments with rolled toneholes have been manufactured by companies including Conn (between 1921 and 1947), Keilwerth, Kohlert and SML (Strasser-Marigaux-Lemaire). As of 2010, there are only two companies manufacturing rolled tone hole saxophones: Keilwerth and P. Mauriat. They each have their own ways of making their rolled tone holes. P. Mauriat’s tone holes are formed from the saxophone’s existing material. In other words, they are rolled from the instruments original tone hole. Keilwerth uses a rolled cap that is soldered onto the saxophone’s straight tone hole. Each process affects the sound differently.

Conn Res-o-Pads

Conn "Res-O-Pads" fitted to the bell-keys on a Selmer 'Pennsylvania Special' alto, made by Kohlert (Czechoslovakia) in 1938. Note that this instrument has rolled toneholes and that the edge of the pad extends over the rim of the key-cup

During the 1920s, C.G. Conn developed a special type of saxophone pad specifically designed for use on saxophones with rolled toneholes called Conn "Res-o-Pads".[1][2] These have an internal metal reinforcing ring which is hidden under the leather covering around the circumference of the pad. Their most notable feature is that the diameter of the pad extends over the rim of the key-cup, thereby giving a slightly wider surface area for the rolled tone-hole to seal onto. Rim impressions from Res-o-Pads are minimal.

Unlike standard pads, Res-o-Pads cannot be "floated" into key-cups, as they are sized in 1/32nd-of-an-inch steps (unlike standard saxophone pads which come in 0.5 mm size steps) which may not always correspond closely to key-cup diameters. Though designed to fix into key-cups purely by friction, most saxophone repairers glue them in place using shellac or hot melt adhesive.

Newly produced Conn Res-o-Pads are still available from specialist suppliers, and are favored by some saxophone collectors because they give a fully authentic look and feel to vintage saxophones with rolled toneholes. It is possible, however, to fit standard pads to any saxophone with rolled toneholes (and many people do) without any noticeable disadvantage regarding the quality of sound produced.

References

  1. ↑ "Tech Topics: Conn Res-O-Pads..." Archived from the original on September 1, 2013. Retrieved 2012-02-16.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  2. ↑ "Measuring for Conn Res-O-Pads". MusicMedic.com. Archived from the original on 2014-03-08. Retrieved 2014-03-03.
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