Synth Site: Casio: CTK-631: User reviews Add review
Average rating: 3.7 out of 5
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Simon Gurnett a professional user from Sydney Australia writes:
Had this keyboard for 7 years and nothing ever went wrong with it. Learnt so much about keyboards from this one. Strings are very natural and steel and nylon guitars sound good. Layering sounds gives a nice full sound. Synth is ok. Grand Piano sounds not bad... better too use 138 St. Piano i think. I just got a Roland Juno G so everything sounds crap on this keyboard now! but it was a good platform for me!

Rating: 3 out of 5 posted Monday-Nov-05-2007 at 10:42
kamran a part-time user from uk writes:
I bought the CTK-631 two years back, for a very reasonable price. This keyboard is simly awesome considering the functions it provide, just like prfessional keyboard. You will be amazed that it has a built-in Synthesizer! Casio has let down yamaha here, because Yamaha PSR's, not even $500 value PSR 550 has it, and you are getting it for less than $200!.

The sound quality is nice, almost like real-world, Casio claims in CTK-631's manual that the sound samples were taken from 3 different frequencies for each on the tones, and then they were digitally stored. If you can adjust the built-in synthesizer, you can expect to hear sounds equal to KORG Trinity.

The blue backlit large LCD gives you more information then you will ever need. At nite time, you can turn off your room's light and believe me the light from the backlit LCD lightens your room magically.

It works with MIDI as if it was made for MIDI, plug the cable, and try listening to the midi files from the internet, you'll be amazed!, because then it would be using all its 16 tracks in real time, sounding so real as if the band is sitting next to you room playing. rhythms are ok, but lacks real time channel mute function (normal in Yamaha's PSRs) althou you can mute individual track by using its built-in mixer, but it takes time and you cannot do it while you are playing a song.(the song will stop) There are 10 out of 100 rhythms which are very usable, rests are some sort of childish and sounds very similar to each others. I do agree that for rhythm part, Casio still lags behind somehow compared to Yamaha.

You can create your own tones and store them, upto 32 tones. But dont be surprised if you unplug the unit, all the user data is lost! but then same story with Yamaha!

Let me remind you once more that this unit is outstanding considering the features it offers at such a low price. Synth+16track mixer+Sequencer+TouchSenitive+GM MIDI etc. Only drawback is rather shallow rhythms, and polyphony (# of sounds u can play at once)limited to 24, while most of Yamaha's are 32 note polyphony.


Rating: 4 out of 5 posted Wednesday-Oct-04-2006 at 20:58
Paul a hobbyist user from USA writes:
I got this keyboard for Christmas about 3 years ago. I have absolutely loved it! It was my first keyboard and was very easy for me to learn to use the extra features on it while at the same time gave me room to learn more as I became better.

Rating: 4 out of 5 posted Friday-Nov-12-2004 at 22:39
Rusty a part-time user from Phila, PA USA writes:
I have owned mine for about 4 years and I gig with it and it really hasnt let me down... granted, it isnt a Roland or a Korg, but it does hold its own on stage if you work at it. Its like a lover... ya gotta find the right buttons to push...:)

Rating: 3 out of 5 posted Friday-Feb-20-2004 at 15:21
PianoUser a part-time user from Australia writes:
The CTK-631 was ok to me but ive gained a far more demanding ear for more richer & natural sounding sounds... It's is DOPE for beginners & hobbyists, for that its awesome. Ive had mine for 3 years & made 2 albums with it. But if ya after something more, id recommend a Casio thats an amazing keyboard....

Rating: 3 out of 5 posted Thursday-Jan-01-2004 at 19:56
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