DescriptionTechnical description: A small mouth-organ with wooden body, brass reed-plate and german-silver top and bottom plates; giving violin open string tuning; a perforated slider allows user to select only one pipe at a time to sound; sounding respectively G₃, D₄, A₄, E₅.
Engraved on top plate "G", "D", "A", "E" underneath these notes on a stave; on bottom plate "M. HOHNER'S / ``Trutone'' / MADE IN GERMANY"
With cloth purse with transfer "M. HOHNER'S / Trutone / (VIOLIN) / The World's Best / MADE IN GERMANY"
Usable pitch: "G", measured frequency +/- 0.1 cents, 203.16 Hz; G3 +62.1 cents with respect to A4 = 440 Hz; -8.6 cents with respect to mean of set. "D", measured frequency +/- 0.1 cents, 304.57 Hz; D4 +63.1 cents with respect to A4 = 440 Hz; -7.6 cents with respect to mean of set. "A", measured frequency +/- 0.1 cents, 460.61 Hz; A4 +79.3 cents with respect to A4 = 440 Hz; +8.6 cents with respect to mean of set. "E", measured frequency +/- 0.1 cents, 689.82 Hz; E5 +78.4 cents with respect to A4 = 440 Hz; +7.7 cents with respect to mean of set.
Mean of set, +70.7 cents with respect to A4 = 440 Hz; equivalent to A4 = 458.3 Hz; rms error, 8.1 cents. |