Barton Musical Circuits BMC018.Analog Drum, Руководство пользователя

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I. Features
This module is an analog drum sound. It was designed to be built using a minimum of parts
and no difficult to obtain parts. I initially was only trying to build a "disco tom" type sound, but I'm
more impressed with it's bass-drum like sounds. It has the following controls:
1.Amplitude Decay
2.Frequency Modulation Decay
3.Depth of Frequency Decay
4.Baseline frequency
5.External Frequency CV Depth
It has just two inputs, one for a trigger and one for external CV.
II. Schematics.
On the next page is the master schematic. There are highlighted sections of the master
schematic that indicate what sub-circuit of the module the parts correspond to, these sub-circuits are
then described on the following pages.