Model 100 Rock-Si-Chord
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"The Rock-Si-Chord models were introduced in 1967. The two basic models were the model 100 and model 200. The main difference was that the model 100 had a single set of individual ton generators (one tone generator for each of its 49 notes) tuned at an eight foot pitch, while the model 200 had two sets of individual tone generators, one tuned at an 8-foot pitch and one tuned at a 4-foot pitch. All the models were designed as percussive instruments, which means that the tone will decay after the key is depressed. There is no organ stop on these instruments. All models were painted blue. All models were designed to be used with an external amplification system.
"The original model 100 contained two individual voices, the string and the lute. These voices could be played together or individually. The instrument was built into a plywood case similar to the Lark model. It came with a single expression shoe to adjust the volume. The retail cost was $4695. The model 100A had Harpsi, Cembalo, Lute, Guitar A, and Guitar B voices, which could be played together or individually. The unit was housed into the familiar RMI style case. The retain cost of the model 100A was $795. This model was discontinued in October of 1968." ---Tom Emerick, Allen Organ Company