The Organ Forum

This pic contains some old tonewheel stuff that I've been collecting. There is the May 1939 patent for the chorus generator that went into model BC, an old generator oil can, circa 1950's, some individual pairs of tonewheels including a couple of blanks and a number of original press ads inlcuding one from 1937 inviting pianists to enter a ''new ...

The X77 was Hammond's last attempt to replace the B3, following the H100, which had reliability problems and the X66, which wasn't a pure tonewheel, but a hybrid, and sales were limited by its over the top price.  The X77 however shares the same extended drawbar setup as the other two, having 11 drawbars for each bank on the ...

The Leslie 77P is a brand/model specific cabinet built as a joint venture between Hammond & CBS Electro Music for the Hammond X77GT Organ.  It features a 4 channel 200W solid state amplifier, a Rotosonic Drum & HF Horn for the rotary channel, a 15'' Bass speaker and four 6x9'' speakers (two facing forward & one on each side) for ...

The X77 & its predecessor H100 are very similar in this area.  Both had the same percussion touch sensitivity & 2nd touch functions and  the harp - a system of allowing keyboard sustain from a tonewheel generator.  This was done by adding transistor voice gates to one set of harmonics, but the sound still came from the ...