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gravity well

price : $225.00


picture a unsuspecting signal heading toward a menacing-looking planet. moons swirling around the planet pull at the gravity field, constantly changing it. as the signal passes the immense gravity field bends and warps it into a whole new signal...

our first foray into the eurorack scene. the gravity well is a wave modifier using asymmetrical wave warping to create interesting new sounds. think of the signal in orbit around a heavenly body whose gravity is being changed by the cv inputs. one cv varies the gravity field, another pushes it to one side, the third affects the north-south magnitude, and the forth the east-west. the module has one signal input and four cv inputs, all of which have level controls. each cv channel has a bias control for setting initial bias level.

the module works by warping the positive and negative portions of the incoming signal by amounts determined by the cv inputs. the inclination cv varies both polarities equally. the eccentricity cv increases the positive warp and decreases the negative warp. the longitude cv increases the positive warp only, while the latitude cv increases only the negative warp.

this module uses +/- 12 volts@40ma and takes 12 te/hp of rack space.

audio samples:

sample one: 2 oscillators tuned to same note, 1 into input, the other into inc input. raw; no other processing.

sample two: 2 oscillators tuned apart, 1 into input, the other into ecc input, inc at 50%. raw; no other processing.

sample three: 2 oscillators, 1 into input, the other into ecc input, lfo into lon input. raw; no other processing.

sample four, sample five and sample six (samples courtesy of kodama). each manual offset is set full ccw. a sine from an osc (hertz donut) is sent to the input. sines from four different sources are added connected to each cv input. the cv sources are faded in one by one from the bottom up and their cv amount is set to full. the rates of the cv sources are tweaked.

sample seven - cv fun. no input is connected to the gw. 4 sine sources are patched into the 4 cv ins. a sine osc's frequency is being modulated by the output. the frequency of the 4 sines cv sources is being manually changed.

sample eight and sample nine - cv feedback. the gw output is patched back into the gw input. a sine lfo is connected to the eccentricity cv in at full level, and another to the inclination cv in at full level. the two lfo freqs are tweaked. the 2nd example cv feedback is the same, except that the the v ins are set to half level.

sample ten. all of the gw bias controls are set to ccw. a sine lfo is input, another is connected to the eccentricity at full level, and another into the inclination at full level. the output is sent to a toppobrillo twf, which is not modulated. the frequencies of all 3 lfos are tweaked.

sample eleven. sawtooth osc input. all cv ins have a sine lfo and are set to half level. all bias controls are set to 2. the output is fed to the toppobrillo twf. lfo frequencies are tweaked.

sample twelve. a simple s&h sequence controls the pitch of a saw osc that is input into the gw. inclination is ccw, eccentricity is full cw, longitude is full cw, latitude is set to 5. an lfo is input to longitude at half. another lfo is input to inclination at full level. the output is put through the division 6 filtaire filter, which is being opened by a simple decay envelope.

download the manual here.

Analogue Haven