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We’ll begin by directly comparing the Yamaha SX900 and SX700, and later we’ll compare the SX900 to the flagship Yamaha Genos.
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Watch Chris giving an in-depth review of the Yamaha PSR-SX900
The Yamaha SX900 is directly comparable to the flagship Yamaha Genos workstation, but there are still notable differences.
So first of all we will start off with the keyboard; the keyboard on the Genos is 76 notes, (6 1/4 Octaves) and on the SX900 It is a 61 note five octave keyboard.
Super articulation 2 is another great feature which the Yamaha Genos gives you. This feature is not on the Yamaha SX900. The Super Articulation 2 means that you get some extra touch controls, and these are on sounds like Flugelhorn, Saxophone, Clarinet etc.
You will get more control with your play ability on this feature. With the SX900 you just get super articulation (which is still really good). You just miss a few of those really great sounds that the Genos has to offer you.
Another simple difference between the Yamaha Genos and the SX900 is the assignable buttons; the ones that you can use to allocate a certain adjustment on the keyboard. There are seven on the Genos and just six on the SX900.
The Genos also has what’s called an FSX keyboard. The keyboard is a great keyboard feel wise but it also has after touch. The SX900 doesn’t have the after touch.

Storage is a big difference between the keyboards as well. On the Yamaha Genos you get 58 Gigabytes of memory, whereas on the SX900 you simply just have four Gigabytes. Expansion memories are different too; on the Genos you have got 2GB expansion memory, and you have got just 1GB on the SX900.
The Genos gives you six assignable knobs, and having these enables you to go through and change frequencies, part of your EQ, you can also change the resonance of the attack, and the decay of sounds. So you have got quite a lot of control.
You can have six at one time together, available to adjust on the on the panel. On the SX900 you only have two assignable knobs. This simply means that you have got a little bit less available to get the control as you’re playing the keyboard (without going into different menus to do so).
The internal memory is 8GB on the Genos, and it is 4GB on the SX 900. Again, a big a memory capacity for the Genos and even more outputs too. There are 4 sub-outs which are the auxiliary outs on the Genos. On the SX900 there are just 2.
The Genos is renowned for its fantastic drums, ‘the Revo drums’. They are drums that give you a different bar sound every time it goes through a sequence. Each bar, each snare drum sound or base drum sound is going to be slightly different. This is because a real drummer doesn’t sound exactly the same every time he hits the snare drum, each of these hits on the skin are going to make a little bit of a different sound.
Yamaha have actually made this part of the variations on the drum kit, so the Revo drums on the Genos are really clever. Now the way that they are wording it is that they’ve derived the new drums on the SX900 from the Revo Drum sounds, but it won’t give you the same variations that you’ve had on the Genos.
Finally, the sounds of the Genos will be better. The DSP power is far more, the digital effects built into the sounds, the extra articulation sounds, the super articulation 2 voices, the Revo drums etc.
The Genos overall is a better keyboard. The baby Genos (the SX900) is phenomenal for the price, for the touch screen, for the speakers etc. You will be so impressed with what it does. But I think the Genos will always have a place as the flagship model.
All in all the Genos is definitely the top keyboard in the range; it is a great instrument with loads of extra features. The Yamaha SX900 is a great baby brother and I would welcome you to try it and see for yourself.
The Yamaha SX700 still fares extremely well and holds its own against its competition. The Yamaha SX700 still provides a great introduction to what is essentially now a Genos bloodline, and if you find SX900 and Genos both out of reach, the SX700 is the model for you.
If you have any questions about the Yamaha SX900, SX700 or Yamaha Genos, please don’t hesitate to get in touch with us.
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Comments:
Thanks for a good compare between Genos and Sx900. Even Sx700.
I will probably buy an Genos in the future. It stands longer for my playing for a long time.
Just wait for a better price or an used keyboard.
Magnus Petersson
SWEDEN