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Modulator and more – The QLFO is a voltage-controlled quadrature oscillator. The module produces four sine waves, each with a 90 degree phase shift. Thanks to a wide frequency range and a 1V/octave input, the circuit can not only be used for modulations, but also as an audio generator. Very useful, especially for FM experiments!
The QLFO has four signal outputs, which emit sine, cosine and inverted versions of the just-mentioned waves. The frequency is determined via a rate potentiometer. Additionally, there is a switch for choosing between three tempo ranges (slow, mid, fast). A CV input with bipolar attenuator allows users to modulate the QLFOs frequency. Furthermore, a 1V / octave input was implemented for playing the circuit chromatically.
ACL stands for Audiophile Circuits League and is a group of musicians and engineers who focus on uncompromising sound and construction quality. All modules are designed and assembled in Berlin.
