via this auction"This is a handmade hamheart featherduster, 100% analog noisemaker.
It features 5 squarewave oscillators, with 4 acting as an frequency modulating LFOs. As well as a lowpass filter
The 4 LFO's are scaled in their frequency ranges so that the rightmost LFO has a larger upper limit and the leftmost LFO has a larger lower limit. Anything from packs of angry badgers to pods of harpooned whales right on through swarms of drunken wasps and mosquitoes can be achieved. The main audio oscillator has a frequency range switch, which spans from nearly ultrasonic high end down to rhythmic beeps and clicks on the low side.
There is also a modulation depth control allowing for subtle pitch modulations and/or complete clangorous metallics.
The filter is a simple low pass design, and works wonders as a tone shaper.
The blue LED displays the rate of the audio oscillator and changes as you sweep the pitch.
The controls:
The 4 large knobs along the top are the LFO frequency controls.
The large knob in the right hand column is the main audio oscillators frequency control.
The large knob in the left hand column is the modulation depth control.
The small knob in the bottom left is the low pass filter cutoff control.
The small knob in the bottom right is the master volume control.
The leftmost toggle switch turns the filter on/off.
The center toggle switch selects between fine/coarse frequency.
The rightmost toggle switch selects the audio oscillators frequency range.
6.35mm (1/4 inch) audio output
2.1mm 9v DC input (tip -)
Rubber feet
Metal faceplate, painted navy blue.
Hand painted masonic values hamheart logo.
hamheart dot com or hamdust at gmail for sounds."
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