Look at these graphs from my favorite book ‘the a-z of analog synths‘ by Peter Forrest [I have more than one favorite book, ok?]. They show values as defined by him of each synth ever made, ever. It struck me that I definitely started buying keyboards at the right time – every graph in the book has a very pronounced nadir around 1989. THOSE WERE THE DAYS! [Trust me – every graph in the book looks like this….]