Here are a marvel ... a warm, round you fit in the spine ...
The first octave is downright demented, low hum that never-ending, a low knob is there to add to the sound of the beast.
Namely: rhodes each is different, and released his own sound, more or less friction, more or less rocky.
I bought it after Rebuilding and therefore more expensive than the Argus, but I would do the same choice again!