Seydel 1847 Concerto Steel Harmonica B

C.A. Seydel Söhne Concerto Steel Oktav B, Harmonica, Key: Bb, 10 holes, Divided, 40 stainless steel reeds, Semi-valved, Split comb, Plastic - Metallic green, 2 x 2 reeds per hole, Cover plates: Stainless steel, Reedplates: 0.9 mm, Weight: 94 g, Dimensions: 125 x 30 x 27 mm, Tuning stability is especially important for octave-tuned harmonicas, where two exactly octave-tuned reeds always oscillate at the same time in each hole, resulting in a full organ-like overall sound., Built-in valves (half-valve) minimise air consumption, improve tone control and increase the overall volume at the same playing pressure.