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Early electronic organs used simple tone generator s such as the famous Hammond tonewheels, or various combinations of oscillators and filters, but most modern electronic organs use high-quality digital samples to produce as accurate a sound as possible. The heat generated by early models with vacuum tube tone generators and/or amplifiers led to the somewhat derogatory nickname "toaster."
In the 1960s, electronic organs were ubiquitous in all genres of popular music, from Lawrence Welk to acid rock. In some cases, Hammonds were used, while in others, very small all-electronic instruments, only slightly larger than a modern digital keyboardElectronic keyboards include synthesizers (notably the Moog synthesizer), samplers and frequency divider organs. With the use of sampled sounds and MIDI, true synthesizers have become rare, and more and more the general term electronic keyboard is being u, called "combo organs," were used.
Electronic organs were once popular home instruments, frequently sold in department stores. Home models usually attempted to imitate the sounds of theatre organA theatre organ is an organ installed in a movie theatre, most often of a type originally devised by Robert Hope-Jones, which he called a "unit orchestra. Such instruments were typically built to provide the greatest possible variety of timbres with the fs and/or Hammonds, rather than classical organs, and were most frequently built in a configuration usually called a "spinet organ": the keyboards were typically at least an octave shorter than normal for organs, with the upper manual missing the bass, and the lower manual missing the treble. The pedalboard was typically only a single octave, often incapable of playing more than one note at a time, and conveniently reachable only with the left foot, while a single swell (or "expression") pedal, really just a master volume control, was placed on the right, conveniently reachable only with the right foot. Stops on such instruments were frequently named after orchestral instruments that they could, at best, only roughly approximate, and were often brightly colored (even moreso than those of theatre organA theatre organ is an organ installed in a movie theatre, most often of a type originally devised by Robert Hope-Jones, which he called a "unit orchestra. Such instruments were typically built to provide the greatest possible variety of timbres with the fs). Although small digital organs are still made for the home market, the home electronic organ has been largely replaced by the digital keyboardElectronic keyboards include synthesizers (notably the Moog synthesizer), samplers and frequency divider organs. With the use of sampled sounds and MIDI, true synthesizers have become rare, and more and more the general term electronic keyboard is being u, which is not only smaller and cheaper than a typical electronic organ, but also more flexible than all but the most modern digital organs.