"Basically the Hamlet 2000 is a little Lunetta box, similar in spirit to the nand synth I built a while ago or my little blue lunchetta box which is based on the Heterodyne Space Explorer.
Housed in a novelty plastic skull (the size of a shrunken head), the Hamlet 2000 has two Audio- and two Control-Oscillators (LFOs, if you wish). The control oscillators each drive an LED which is coupled to an LDR to form a simple vactrol. These vactrols, in combination with a 100k Pot, each, set the frequencies of the audio oscillators and, unless the control oscs run at “full speed”, rhythmically switch the audio oscillators on and off.
For some additional visual effects the LEDs are “mirrored” by a pair of additional LEDs placed in the eye sockets of the Skull. The signal is summed via fixed transistors (an “on board” trimmer can be used to set the level)."
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