Usually, you will know little to nothing of the bikes history. We also want to spend as little as possible on this bike until we know if the engine and all the gears work. Just shifting through the gears by hand is not good enough.
This overview showcases a few of the most significant developments in synthesizer history. It may surprise you to learn that the earliest seeds of modern electronic synthesizers began in the twilight years of the 19th century. In 1896/1897, an American inventor named Thaddeus Cahill applied for a patent to protect the principle behind an instrument known as the Telharmonium, or Dynamophone.
The Korg Company finally managed a truly polyphonic synthesizer in 1977, the PS-3200, which was able to produce sound independently and simultaneously for each of its 48 keys. Another huge benefit of the PS-3200 was the patch memory.