via this auction
"The Shruthi-1 is a hybrid digital/analog monosynth. Its hardware design is deceptively simple, but the sonic range is wide: sometimes grungily digital like a PPG-Wave, fat and funky like a SH-101, videogame-y like a Commodore 64, weird and warm like an ESQ-1 ; but more often than not, truly original. Contrary to the hardware you can purchase at the music shop next door, a Shruthi-1 isn’t designed to be industrially manufactured. Indeed, its assembly doesn’t require any specialized equipment, besides a screwdriver, cutters, a soldering iron and two hands..."