I needed something that resembled the vintage East German Vermona Sync, and this was the closest option within my budget. After three large music festivals, I can say it generally gets the job done. However, there are several major downsides for me as a live musician.
First, the oscillator tuning is extremely sensitive, making it almost impossible to get right, especially on a noisy stage. While the buttons are large (which is great), even the slightest movement to the right or left drastically changes the sound, making it impractical for serious live play. There is no way of locking the needed tuning setup. Image before the show your synth was in your bag and tune buttons have been touched. It means that before the show on a stage you need to tune it again.
Second, tuning is inconsistent when playing higher notes. The keybed is essentially only in tune within a single octave.
Third, the keys themselves are overly sensitive, increasing the likelihood of missed notes during live performances or even studio practice. This isn’t ideal when you’re playing in front of thousands at a major music festival.
Lastly, the four-note chord option doesn’t function like a normal piano, so keep that in mind. While it’s possible to play chords, the analog board has its limitations.
Overall, the Sync looks fantastic and is built to last. It would be perfect if not for the issues mentioned. However, it’s still a good option for recording a solo album in your bedroom. :)
If you can wait and save, better invest in high-quality Moog, for example.