SD60 has 61 semi-weighted keys and not 76. The polyphony is always 128 notes and the tone module is confirmed in 64 parts. The SD60 is equipped with the same 7 "TFT color LCD screen. The internal sound library, Drum Set , Live Drum , Audio Drum , Live Guitar and Grooves also correspond to the two models. It does not change the arranger section from 400 styles , with related audio inserts and various controls. And everything remains the same for many other features: Style Edit , Live Modeling , Launchpad , Double Player , Audio Multitrack Player , DJ, Juke Box , Pic & Movie , DVI video output, support for SSD, USB, possibility to use HD_ SATA removable disks, etc. It changes the external power supply that goes from 9V to 15V, a higher voltage and necessary to deliver the electrical potential required by the on-board amplifiers. We were talking about amplifiers: the power is 2 x 20 watts (two cones for the mid-frequencies and two tweeters ). The possibility of enabling / disabling these amplifiers is also available. Inevitably, the weight increases and reaches 19 KG. They were 16KG on SD9 . Despite the absence of an octave respect SD9 , the dimensions are substantially the same (actually 2cm in length), due to the presence of a side panel on which the joystick is present. In practice: 110.5 x 13.5 x 40 cm.
The specs of the SD90 (compared to SD9 pro)
Despite being in rack format, there is a screen and it is the same 7 "TFT color LCD with touch sensitivity of SD9 and SD60 . For memory units, there is no possibility to connect an external SATA disk, but rather there is a slot compatible with SD cards. The external power supply is the same as SD9 at 9V-4A. The dimensions are obviously super compact: 112 x 25.5 x 41 cm Although the dimensions are smaller, all the inputs and connections on SD9 have been retained. The weight is 4 kg only.