Clavia nord electro2 ユーザーズマニュアル

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The organ chosen for the task to be simulated was a 
Hammond A-100. Except for its cabinet and the inclu-
sion of a built-in sound system, the A-100 works the 
same as Hammond's almighty rock 'n' roll organ, the 
famous B-3. The Hammond organ was originally de-
signed to be an alternative for churches instead of large 
acoustic pipe organs. In the '30s, there was a growing 
demand for more compact organs that sounded similar 
to pipe organs because small churches couldn't afford 
or didn't have the space to install a big pipe organ. The 
Hammond organ was designed with drawbars for 
sculpting the harmonic content of the organ sound. 
They function much like stops on a pipe organ. This 
was the standard, and so it became (see figure to the 
bottom right of this page).

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Has any other keyboard instrument created as much in-
terest as the Hammond organ? The model emulated by 
the Nord Electro 2 is the B-3, the most popular version 
of all Hammonds produced. Between their release in 
1954 and 1974 when they went out of production, 
nearly 275,000 B-3 and C-3 organs were built. (The C-
3 is identical to the B-3 except for its cabinet design; 
Hammond didn't keep separate records for the two 
models.) No other electric keyboard in the world has 
exceeded that number -- so far.

It started in the early 1930s, when inventor Lau-
rens Hammond was looking for different applica-
tions for a 60-cycle motor he had designed for his 
clock factory. An earlier inventor named Thaddeus 
Cahill had, at the beginning of the 20th century, 
made an electromechanical instrument called the 
Telharmonium, which later caught the attention 
of Hammond. Although he wasn't a musician, 
Hammond was attracted by the idea to build a 
genuine electric musical instrument. Hammond 
had a degree in mechanical engineering and had 
developed great skill in mechanical design. In his 
lab, Hammond and his assistants designed and 
built an electromechanical organ based on Cahill's 
principles. The basic components of the organ 
were tone wheels and electromagnetic pick-ups, 
and the instrument is acknowledged as being of ex-
cellent mechanical design for its time.