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Performing with the Keyboard
Organ Section
fig.04-10a(OrganSection)
■ Changing the Organ Sound (Tone Wheel)
Tone wheel and Leakage Noise are important elements in creating tone
wheel organ sounds.
Tone wheel
Tone wheels are the ninety-one metal disks that produce the sound on tone
wheel organs. Teeth are cut into the edge of each disk, and sound is
generated by rotating the disks past an electrical coil at a fixed speed. The
VR-760 digitally simulates the tone wheel mechanism of a tone wheel organ,
and thus provides the rapid response and full polyphony that characterize
these instruments.
The sounds that are produced by the tone wheels of a tone wheel organ are
not precisely pure sine waves, since they are affected by the manufacturing
precision of the wheel and by the characteristics of the analog circuitry.
However, it is these imperfections in the waveform that give a tone wheel
organ its unique character.
Changing the Wheel Type
Selects the type of tone wheel.
fig.04-11(buttonsOfToneWheel)
1. Press the [TONE WHEEL] button to select the type of tone
wheel.