The Model SK1 & SK2 are Genuine Hammond Organs with nine (9) adjustable mechanical drawbars. * A palette of High Quality Extra voices that moden keybaordist desire including Transistor Organs, Piano (Acoustic & Electric), Clavs, Pipe Organ, Vintage Strings * Synth and more, Additional voices can be downloaded via the USB port. * A digital and proframmable LESLIE is available for the * Drawbar voices as well as traditional Chorus-Vibrate and percussion.