Cwejman BLD Bass-Lead & Drum Generator Eurorack Synth Module w/ Original Box

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"The BLD has all components and functions necessary for generating bass lead and drum sounds with focus on bass drum sounds. It can be trigged by a push button or by an external signal (any shape). The pitch, cutoff frequency, transient times and amplitude are also voltage controllable by external signals. The BLD contain main sound generator (OSCILLATOR) and noise generator and modifiers such as low pass filter, amplifier and two transient (contour) generators."