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Karplus–Strong string synthesis is a method of physical modelling synthesis that loops a short waveform through a filtered delay line to simulate the sound of a hammered or plucked string or some types of percussion.
In point-to-point mode the digital signals are overlaid on the 4–20 mA loop current. Both the 4–20 mA current and the digital signal are valid signalling protocols between the controller and measuring instrument or final control element. The polling address of the instrument is set to "0". Only one instrument can be put on each instrument ...
According to Ondioline authority/historian Wally De Backer, "The instrument was also offered in 'kit' form, where Jenny recommended purchasing the more complex assemblies – such as the keyboard – as complete units. The schematics were made available for amateur engineers to construct their own custom instruments, and they were encouraged to ...
The pedal also features an external effects loop) "Small Box" RAT (Bent steel U-shape enclosure) R2DU (19 inch rackmountable double RAT pedal, usable in cascade mode or dual channel) BRAT / Roadkill ('budget' USA-made RAT2 derivative circuit designed for Guitar Center including the Motorola LM308 opamp with LEDs in the negative-feedback loop.
Simplified diagram of a 2-stage cascaded amplifier. A multistage amplifier is an electronic amplifier consisting of two or more single-stage amplifiers connected together. In this context, a single stage is an amplifier containing only a single transistor (sometimes a pair of transistors) or other active device.
A major application of current loops is the industry de facto standard 4–20 mA current loop for process control applications, where they are extensively used to carry signals from process instrumentation to proportional–integral–derivative (PID) controllers, supervisory control and data acquisition (SCADA) systems, and programmable logic ...
The whirly tube, corrugaphone, or bloogle resonator, also sold as Free-Ka in the 1960s-1970s, is an experimental musical instrument which consists of a corrugated (ribbed) plastic tube or hose (hollow flexible cylinder), open at both ends and possibly wider at one end (), the thinner of which is rotated in a circle to play.
Fibes Drum Company was a US musical instrument manufacturing company that produced drum kits.Founded in 1966, it was acquired by guitar manufacturing company C.F. Martin in 1970 which it sold the Fibes assets to Jim Corder in 1979, who subsequently established his own company, Corder Drums.