A tonewheel or tone wheel is a simple electromechanical apparatus used for generating electric musical notes in electromechanical organ instruments such as the Hammond organ and in …

Mar 13, 2025 · Each tonewheel is a disc of soft iron with a diameter of approximately 2 inches. The rim of the disc is "hobbed" or cut with a specific number of smooth, rounded bumps or …

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The first organ that bridged the gap between tonewheel and transistor was the X-66, introduced in May 1967. The X-66 contained just 12 tonewheels, and used electronics for frequency division.

Long before Bob Moog built his first synth, there was the Hammond tonewheel organ; effectively an additive synthesizer, albeit electro-mechanical rather than electronic.

The classic “tube and tonewheel” organs are the most eagerly sought-after of the vintage Hammonds. All of them were produced before 1975, and they’re a specialty here.

The Legend Soul 273 uses the latest in tonewheel modelling technology with the addition of our patented technology able to reproduce the iconic 9 contacts mechanic in digital way, allowing …

Until 1975, sound was created from rotating a metal tonewheel near an electromagnetic pickup, and amplifying the electric signal into a speaker cabinet. The organ is commonly used with the …

The Hammond organ is a remarkable instrument with a rich history and a unique sound. Its innovative design, featuring tonewheels and electromagnetic pickups, allows musicians to …

Each high point is called a tooth. There are 12 wheels with 2 teeth, 1 wheel to operate at each of the 12 speeds (reference paragraph 54); similarly 12 wheels each have 4 teeth, 8 teeth, 16 …