Description
Technical description: Six chromium-plated pipes each with free reed joined in staggered raft form. Sounding on one side E₃, A₃ and D₄; on the other side G₄, B₄ and E₅.
Stamped on pipes "JAPAN"; on reed plates at one end "E", "A", "D"; at other end "G", "B", "E".
In transparent polythene case marked "Pitch pipes for Guitar" / "K" in circle / "A 440 JAPAN".
Usable pitch: "E", measured frequency +/ - 0.1 cents, 167.14 Hz; E3 +24.3 cents with respect to A4 = 440 Hz; -7.7 cents with respect to mean of set. "A", measured frequency +/- 0.1 cents, 225.50 Hz; A3 +42.7 cents with respect to A4 = 440 Hz; +10.7 cents with respect to mean of set. "D", measured frequency +/- 0.1 cents, 299.04 Hz; D4 +31.4 cents with respect to A4 = 440 Hz; 0.6 cents with respect to mean of set. "G", measured frequency +/- 0.1 cents, 399.95 Hz; G4 +34.8 cents with respect to A4 = 440 Hz; +2.8 cents with respect to mean of set. "B", measured frequency +/- 0.1 cents, 501.83 Hz; B4 +27.6 cents with respect to A4 = 440 Hz; -4.4 cents with respect to mean of set. "E", measured frequency +/- 0.1 cents, 671.19 Hz; E5 +31.0 cents with respect to A4 = 440 Hz; -1.0 cents with respect to mean of set.
Mean of set, +32.0 cents with respect to A4 = 440 Hz; equivalent to A4 = 448.2 Hz; rms error, 5.8 cents. |