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Saturday, February 16th, 2019 01:38 pm

Synth Glossary

Control input:
An input into part of the synthesizer that allows that bit to be modulated by another part of the synth. For example there is a control input in the amplifier which controls the level of amplification. If a very slow sine wave (an LFO) is patched into this input then the sound will slowly get louder and quieter. If an LFO was patched into the control input of the oscillator instead, then the sound would go higher and lower in pitch....


2500 Modular
Unveiled in 1970 under the name, Tonus, Inc., this was ARP's first synthesizer. Modular in design, it uses [color-coded] sliders for patching, doing away with other modulars' messy cords. However, the sliders introduced problems with cross-talk. [Where patch cords are necessary, and they are for some things, the 2600 uses mini-jacks, not 1/4-inch] It was available in custom configurations. Along with Philip Dodds [ARP vice-president of engineering], the 2500 made a cameo appearance in Close Encounters of the Third Kind (1977,1980), where it helped man communicate with the visitors from outer space through music and mathematics.

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