The XK1 have the newest sound generator Vase3 on board,just like the New B3 an XK3.
Real Hammond emulation and a much improved leslie simulation.
I using the XK1 for allmost a year and it is
the best Hammond portable for this price
Look for details at the Hammond page's http://www.hammondsuzuki.com/

Impuls
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Genos2,Korg Pa5X , Yamaha YC61, Ventilator2 . : https://www.youtube.com/channel/UCmC6hdAR1v5lYN8twfn0YbA