Vintage Kratt The Master Key Chromatic Pitch Instrument MK2 Chromatic Pitch C-C

Vintage William WM Kratt The Master Key Chromatic Pitch Instrument MK2 Chromatic Pitch C-C Vintage, like new MK2-C 13 keys A-440 Original box - red Black plastic and silver metal Voice and musical instruments "Our circular pitch pipes cover the full range of the chromatic scale, using 13 hand-tuned special bronze reeds with patented tone chambers – precision tuned and checked to A-440. To assure proper note selection, scale is arranged in sequence and clearly marked by note notations on both top and bottom covers" Kratt