The very first 12″ LP record album that I've bought was “Oxygène” by Jean-Michel Jarre. That probably must have been around 1977 (the album is from 1976). Although I still have a few vinyl LPs available, I don't have my record player anymore (my sister still has it). Meanwhile I …
All about music synthesizers in and around my place.
I got this 1970's amplifier sometime in the 1980's from my late uncle. The power amplifier was broken and he had bought something new at that time. Only these days I read that this probably was a known problem, caused by some wrong …
When starting with the TTSH build last year I prepared the Formant power supply, that I still had from the past, as kind of standalone unit. Meanwhile I realized that this would be a little too big to easily fit into the TTSH case I've built. I decided now to …
A longer time ago I had bought an Edirol PC-50 MIDI keyboard, to be able to connect to some synthesizer programs on my computer:
After a longer break, summer and autumn have passed, I picked up the work on my TTSH again. The TTSH is working, but not ready yet. Of course I still need to build a case for it. I never got to that last year. My idea was to have some space for additional modules below to the TTSH. I came up with following design:
Now that the complete board is done, I could perform a first test. This covers VCO 1, 2 and 3, VCF, ADSR, AR, VCA, noise and sample&hold. At first all seemed to be working, but then I noticed two defects:
Finally the main board is ready. I have now installed all switches, sliders and jacks:
Today I've mounted the last electronic parts, the LED drivers. Also the 7 jumpers for these and some headers to later connect the peripherals to. The next step will be the switches, sliders and jacks.
Earlier this week I've finished the Sample&Hold, Internal Clock and Analog Switch part:
