Kolberg slit drums are made of selected tonewood. The instruments with hollowed resonant bodies and a slitted sound-plate with 2 different pitches are made completely of solid wood. The interval is an approximate third. Chromatic slitted drums and other sets of intervals within the range of f – e2 are available upon request.1842 slitted drum, medium pitch600 mm, approx. c1/e1 (C4/E4)Soundsuccinct, full, sustained (can be played very loud)slitted sound plate with 2 different pitches (interval an approximate third)Materialselected tonewood