My traveling practice keyboard setup!
WieWaldi I think 88 keys is maybe too much for a traveling keyboard.
Maybe. But I really think a person has to ask the honest question; "Do you play the notes that would be missing on a 61 or 73 or 76 note keyboard?" If you never play them, the answer is obvious. If you do play those notes quite a lot, a shorter keyboard may not be ideal.
There are a lot of players out there who really may not play all 88, ever. I ain't one of 'em. I'd play 108 if they were available. There have been a whole lotta times I've gotten carried away with a run, in either direction, up or down, where a finger hit the wooden cheek block of the piano where a certain key would be if it existed.
Used to torque me off when I was tuning pianos. One of the "45 minute wonder" tuners would completely skip the top octave to octave and a half on a tuning and remark, "nobody ever plays those notes anyway". Um, yeah, some of us do. He had his list of faithful customers. There was another list of customers that said, "never send him to tune my piano again".
I am using the Roland Go-Piano for airline travel. It weights around 8 lbs and can run on batteries. It has 61 keys. What I like about it is that it has a width of only 34.6 inch (87.8 cm), thus it fits perfectly into a duffle bag within airline luggage dimensions. And there are no buttons to break off.
Not sure if it has been mentioned already, but some of those keyboards including the Roland Go-Piano can shift octaves. I have used that feature occasionally and it works as long as the overall range of the song fits within those 61 keys. It took me a while to adjust to the shifted middle C, but it works alright.
Cheers,
MandM Both your Go-Piano and my Casio CT-S1 were on my shopping list on top-left position. I almost geared to the Roland because it has 4 cm less of width. Then I realized that all the cheap available transport bags are eating up that advantage. 
I totally understand what you like about it. The octave shift is of course a no-brainer feature for 61 keyboard. I use it quite often on mine. I just realized, Casio released my keyboard as 76 key version, too. Would I change if I could? Probably not, for practicing purposes 61 is still good enough, and I like the size. The 76-key version with 115 cm width would not fit that easily into the trunk of my car. I would need to transport it diagonal, eating too much space when I go for holidays with a lot of other luggage.
cheeeeee Thank you very much for posting this pictures.
Mozart's has 68 keys, ranging from F to C and
Beethoven's has 72 keys, ranging from F to E. (Can't see if the top note is E or F)
It is also interesting, that Mozart's has the modern white/black key scheme, while the picture above shows the colors inverted. (In the Mozart movie, he also played the black keyboard.) I did a short search on the internet, when this color scheme has changed but found nothing about it. Looks like in early Mozart days there was the black scheme, but in his later days it swapped. As Mozart didn't get that old, I can now narrow this down to about 1775 to 1790.
WieWaldi It is also interesting, that Mozart's has the modern white/black key scheme, while the picture above shows the colors inverted.
The instrument in the painting looks like a harpsichord to me. Even today a reversed color scheme seems very common for harpsichords, from my personal unscientific experience.
WieWaldi think 88 keys is maybe too much for a traveling keyboard. I have a 61 key Casio that weights about 5 to 6 kg including bag and all accessories
May I ask how you like about the action of this Casio keyboard? I’m considering the Casio S160 for traveling purposes but the Casio CT-S1 seems a more practical choice. Is the action as good as the regular models with 88 keys? Thanks.
I should've mentioned, that I brought my keyboard on a road trip in my car, and not a plane. Thus, easy to take with me. Otherwise, I would've brought nothing 
cheeeeee Is the action as good as the regular models with 88 keys?
No way. The CT-S1 and all other CasioTone models have a spring loaded action. The CDP-S160 uses a hammer action and plays in a different league.
Just think about it:
- CT-S1: 61-keys = 4.5 kg
- CT-S1: 76-keys = 5.3 kg
- CT-S1 (88-keys theoretical) = ~6.0 kg (or 13 pounds)
- CDP-S160 (88-keys) 10.5 kg
I think this gives a good description about all spring loaded key actions in this price range:
HeartKeys M-Audio Keystation 88. Terrible action but weights only 13 pounds, and powered by USB. And hey it’s 88 keys.
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MandM The GO: Piano is a very nice cheap and portable instrument. For people who like more variety in sounds there's also the GO: KEYS. Very comparable to the GO: Piano, but with less piano sounds and many more other sounds, such as e-piano, organ, strings, synths, marimba etc. Plus it has a fun built-in accompaniment mode and recording options. I think the keys of the GO: Piano are better weighted than those of the GO: KEYS though.
Sorry for the thread drift, but I have a question about this:
Bellyman Bosendorfer did extend that lower octave on down to the C below, which is kinda cool. Mostly, I see that covered up so that you can't play those notes.
Do you mean the keys that are all black? They're aren't covered up, right? As seen here:
Unless you're talking about a different piano?
Yeah, I don’t think they’re covered, but I don’t know why those keys are all black. I will make a thread in the acoustic piano sub forum (so I don’t derail this thread anymore!)
Oops, sorry, a little more thread jacking …
@Bellyman you were right, those extra keys used to be covered!
The extra keys, which are all at the bass end of the keyboard (that is, to the left), are colored black so that the pianist can tell them apart from the normal keys of an 88-key piano. They were originally covered with a removable panel to prevent a pianist from accidentally playing the extra notes.
Interesting! I guess the black color makes sense, but it doesn’t make sense to cover them! Like, are you going to flip that cover off in the middle of playing?
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Ostinato Hi Ostinato,
I agree the GO: KEYS has more variety in sounds. I wish I could compare the action of the GO: Piano with the GO: KEYS. But I unfortunately own only the GO: Piano so I cannot compare. What I can say though is that if I had to rank the keyboards that I own, it would be GO: Piano (Spring) < Fantom-07 (Spring with better sensors ?) < Fantom8 (PHA-50). I might be wrong, but mechanically the Fantom-07 feels like the GO: Piano (both springs), but for me the playing experience is better on the Fantom-07. I am just guessing it could be better sensors on the Fantom-07.
The other thing that I did not expect is that initially I had a tough time playing the spring GO: Piano. Like being able to control the volume when I hit a key. Particularly the black keys were difficult for me to play since they are shorter (closer to the pivot point) and would sometimes be either too loud or too quiet. However, having played the spring Fantom-07 for about 2 years, it has become much easier to play the GO: Piano. Also switching between spring keyboards and the weighted Fantom8 (PHA-50) takes me now only little time to adjust.
Wish you a good week,
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Yamaha PSS-A50 review from a music teacher. What kind of music can people play with just 37 keys?
WieWaldi Hey, Wie, I've been thinking about getting the CT-S1, but then saw the CT-S400, and wondered if I'd actually use the extra features in the 400 at the expense of the better sound of the S1. Did you try the 400 before getting the S1? I had hoped I could find a video of someone playing jazz on the 400 using the accompaniment feature, but never found one. Any thoughts?