ADDAC 507 Random Bezier Waves

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Eurorack Module

Two-channel modulation source for random control voltages
Each channel consists of a random generator that generates smoothed random voltages and interpolates between the random values
Parameters per channel: Frequency, Level (VCA), Offset (+/-5V), Curve (form of interpolation) and Limit/Fold/Thru toggle switch
LED displays and CV inputs with attenuators for frequency and level per channel
Wave output, inverted wave output and gate output per channel as well as two averaged outputs (AB Average and Inverted Average)
Power requirement: 70 mA (+ 12 V) / 40 mA (- 12 V)
Width: 10 HP
Width: 45 mm

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Available since April 2024
Item number 589759
Sales Unit 1 piece(s)
Width 10 TE / HP

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Easy to use

Xorf 23.07.2025

Slow Random Voltages kann man sich auch selbst basteln. Noise mit Attenuator begrenzen, damit ein S&H füttern, dessen Ausgangssignal mit einem Slew-Limiter bearbeiten und dann, - für Modulationseingänge, die positive Spannungen verlangen -, mit einer Offset-Spannung in positive Gefilde heben...
... oder man benutzt ADDAC 507 Random Bezier Waves. Zwei, drei schnelle Einstellungen und der Käse ist gelutscht. Das Resultat in den Modulationseingang eines Filters geben und das monoton-nervige 'bööh' des VCO ist Geschichte. Dazu noch eine Prise Chorus und Reverb und schon hat man einen Pad-Sound, dem man für sich zuhören will. Soweit meine Standardanwendung.
Meiner subjektiven Wahrnehmung nach erzeugt die Bezierkurven-Charakteristik weichere Übergänge als sie mit der Eingangs erwähnten Methode möglich ist.
Das Modul bietet zwei voneinander unabhängige Random Voltages, die man bei Bedarf auch aufeinander loslassen kann. Dazu gibt es noch ein wenig Gate-Voodoo, mit dem ich mich bisher noch nicht beschäftigt habe.

Wer leistungslos bessere Ergebnisse erzielen will, als mit viel Fummelei, ist hier bestens bedient. Ich liebe das Teil.

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Eurorack Module

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