Hammond

The tonewheel organ — jazz, gospel, rock, and everything between

The Hammond organ is the sound of Sunday morning and Saturday night, of gospel ecstasy and jazz sophistication, of rock excess and soul grit. No single keyboard instrument has shaped more genres of popular music than the Hammond B-3 and its tonewheel siblings. Plug one into a Leslie speaker and you've got the most soulful sound ever produced by electricity.

History

Laurens Hammond was a clock maker and inventor, not a musician. When he patented the tonewheel organ in 1934 and founded the Hammond Organ Company in 1935, he was primarily thinking of it as an affordable substitute for pipe organs in churches and homes. The instrument worked by spinning metal tonewheels past electromagnetic pickups — each wheel had a specific number of bumps on its edge that generated a particular frequency. The sound was then shaped by drawbars — sliding controls that mixed different harmonics together, allowing the player to construct timbres from fundamental frequencies and their overtones.

The early models — the Model A, B, and C — found their way into churches, funeral homes, and living rooms across America. But something unexpected happened: jazz musicians discovered that the Hammond organ, especially when pushed hard through an amplifier, had a raw, gritty quality that was utterly unlike the refined sound of a pipe organ. The slight imperfections of the tonewheel mechanism — crosstalk between harmonics, key click from the mechanical contacts, the subtle chorus effect of the scanner vibrato — gave the instrument a complex, living sound that responded to the player's touch in ways that felt genuinely expressive.

Jimmy Smith changed everything. In the late 1950s, Smith developed a virtuosic, bluesy playing style on the Hammond B-3 that single-handedly established the jazz organ trio as a major format. His recordings for Blue Note — The Sermon, Back at the Chicken Shack, Midnight Special — were massive sellers that demonstrated the Hammond's potential as a lead instrument, not just an accompaniment. Smith's influence spawned an entire generation of jazz and soul organists: Jimmy McGriff, Jack McDuff, Richard "Groove" Holmes, Shirley Scott, and dozens more.

The B-3 model, introduced in 1955, became the definitive tonewheel organ. Its combination of two 61-note manuals, a 25-note pedalboard, and the signature drawbar system made it enormously versatile. Paired with a Leslie rotating speaker — whose spinning horn and drum created a complex, swirling Doppler effect — the B-3 produced a sound so rich and three-dimensional that it could fill a room like no other keyboard instrument.

The Hammond crossed into rock music through the British Invasion and the organ-driven sound of the late 1960s. Keith Emerson of The Nice and later Emerson, Lake & Palmer turned Hammond performance into athletic spectacle, literally attacking the instrument on stage. Jon Lord of Deep Purple drove his C-3 through a Marshall stack, creating a snarling, overdriven sound that competed with Ritchie Blackmore's guitar. Steve Winwood, Gregg Allman, and Booker T. Jones all built signature sounds around the Hammond.

Hammond stopped producing tonewheel organs in 1975, transitioning to cheaper transistor-based instruments. The original tonewheels became increasingly valuable on the used market, and today a well-maintained B-3 with a Leslie 122 is one of the most prized setups in all of keyboard music.

Notable Instruments

Hammond B-3

The B-3 is the Stradivarius of keyboards. Weighing over 400 pounds (not including the Leslie speaker, the dolly, or the herniated disc you'll get moving it), it is the most gloriously impractical, stubbornly analog, and profoundly soulful keyboard instrument ever manufactured. And musicians will cheerfully endure all of its physical demands because nothing — nothing — sounds like a real B-3 through a Leslie.

The drawbar system is the B-3's secret weapon. Those nine sliding controls per manual let you blend harmonics in real time, constructing timbres on the fly during performance. Pull out the first two drawbars for a warm, fluty jazz tone. Slam all nine out for a screaming, harmonically complex rock sound. The percussion circuit adds a transient click that gives notes a percussive attack — essential for Jimmy Smith-style jazz playing. The scanner vibrato adds a complex modulation that's more sophisticated than simple tremolo. And the Leslie speaker transforms everything, adding a swirling, three-dimensional movement that makes the B-3 sound alive in a way that recorded music struggles to capture.

The B-3's cultural resume is essentially a history of popular music. Jimmy Smith on The Sermon. Booker T. Jones on "Green Onions." Keith Emerson on "Lucky Man." Jon Lord on "Highway Star." Steve Winwood on "Gimme Some Lovin'." Gregg Allman on "Whipping Post." Billy Preston with The Beatles. Garth Hudson with The Band. The list is endless because the B-3 is endlessly versatile — it can whisper in a ballad and scream in a rock anthem, and it always sounds like the most human of all electronic instruments.

All Models in Archive (1)

Organs

• B-3 - 1954-1974