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Product number: CV4459

Attack Decay Break Release Function Generator

  • +12V 33mA
    -12V 33mA
    +5V 0mA
    Width 8HP
    Depth 42mm


Amelia is an envelope/function generator with an unusual ADBR (attack/decay/break/release)  configuration. CV control of all envelope times and of the break level is provided. The envelope can be set to auto-trigger, turning it into a complex voltage-controlled LFO. The shape of the attack and decay/release sections can be independently and continuously adjusted from exponential, through linear, to logarithmic. Amelia was developed with use with sequencers particularly in mind, where often you only have a trigger output, not a gate of adjustable length. It allows you to create complex, flexible, and modulate-able envelope shapes from that simple trigger signal. The module is constructed entirely from analogue parts and discrete logic. There is no microcontroller or digital-to-analogue conversion involved (and so no quantization of voltage levels or of response time).

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