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Overview (taken from SoS-E manual) What is it? The Sound of Shadows (SoS) is a voltage-controlled (VC) digital delay module based around the PT2399 echo IC from Princeton Technology – which was, by the way, originally designed for Karaoke equipment.
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Overview (cont.) Controls Rate: This controls the delay clock rate, which in turn controls how fast the delay steps through its memory array and thusly the amount of delay. Clockwise rotation increases the rate (which decreases delay time), counter-clockwise decreases the rate (which increases the delay time). Feedback: Controls how much of the delayed signal is fed back into the delay cell.
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Overview (cont.) Jacks The jacks are grouped by the type and direction (into or out of the module) of the relevant signal. Signal in Input: This is kind of important for a delay unit: you need a signal to delay, or else they’re somewhat dull effects.
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Overview (cont.) Chaining Header The rear header is to chain two or more SoS together for longer delay times, and other effects, without using up the front jacks. There is one output and two possible inputs (See fig.1 for graphical locations of the connection points.): Delay out: Buffered, inverted, delay signal output.
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Kit Notes Static Discharge Warning Some pieces in this kit are static-sensitive and can easily be destroyed by Electrostatic discharge (ESD). Make sure to discharge yourself and your work surface while handling components from the semiconductor card. How to safely discharge static: Use an ESD wrist strap and work mat. Do not just connect everything directly to ground;...
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Kit Notes (cont.) Narrow Screwdriver Cat. 0.062 1.60 0.044 1.12 0.625 15.90 fig.6: Weller ETR soldering tip • Good, fine-tip tweezers are a must. The Wiha 4b and 7a tweezers are great • One helpful trick for soldering SMD with wire solder is to pre-solder one pad for each component location.