Everything you wanted to know about the LOGAN VOCAL SYNTH but were afraid to ask

video upload by Vintage Audio Institute Italia

"We finally found a Logan Vocal synth - and since this incredible unicorn doesn't get captured very often we thought the internet deserved quality photos and a video demonstration of all its functions. Or most of them - we actually missed a few features so stay tuned for a Part II later this summer.

Most of the info is in the video already but a quick introduction and recap would go something like this:

Logan Vocal Synth
weight 50 kilos
61 keys and 61 slider potentiometers

The upper panel is dedicated to :
instrument selection buttons, panning left and right, the monophonic and polyphonic synthesizers and their modulation controls.

The front of the panel is dedicated to the instrument sections Strings, Piano and Voice.

The architecture of this instrument is unique and might have been a bit of a gamble that sometimes worked out great and sometimes less so.
Our service technician had to slightly change the trigger circuitry to render the triggering of the notes more reliable and generally stable.
We also decided to non-invasively modify the split point to continue down to the lowest note on the keyboard instead of starting over two octaves up at the 24th key and below.
You operate this with the foot pedal switch, and it can be disengaged to return to the factory setting.

Some of the engineering wonkiness was decided to be kept though and you can hear the fluctuations, a slight tremble, in a lot of the sounds."

You can find an additional demo posted here.