Indonesian region has the potential widespread bamboo. One is the use of bamboo as a traditional musical instrument angklung. Angklung is a musical instrument typical of the region of West Java that has been recognized by UNESCO as world cultural heritage. Angklung is made with bamboo manifold choice of black bamboo, or bamboo lear. Angklung consists of 2-4 pieces of bamboo tubes with specified size and assembled into a unified and tied with rattan. Angklung of each species of bamboo have a sound character of each. The purpose of this study was to determine the characteristics of angklung bamboo lear in generating tones and knowing the difference angklung bamboo smear Ciawi and Tasikmalaya. The method used in this study is a qualitative method to test the angklung tone and measure the resulting geometry angklung. Measurement results were processed using ANOVA statistical analysis with a confidence level of 95%. Results of the study showed that the angklung bamboo lear able to produce a tone quality approaching International standard tone frequencies as musical instruments.