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Home > Keyboards & Pianos > Synths & Sound Modules > Doepfer A-110-6 Trapezoid Thru Zero Quadrature VCO
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The Doepfer A-110-6 Trapezoid Thru Zero Quadrature VCO is a 12HP trapezoid thru zero quadrature VCO module. The A-110-6 features a unique trapezoid core with linear thru zero frequency modulation. The term "quadrature" means in this connection that the oscillator outputs two trapezoid waves with 90° phase shift (the same as sine and cosine of a standard quadrature oscillator such as the A-110-4 or A-143-9).
The module has two control sections, linear and exponential. The exponential section consists of the XTune control, the 1V/Oct input and the XFM input with the corresponding attenuator XFM. The exponential control voltage is the sum of these three voltages. The linear section consists of the LFrq control and the LFM input with the corresponding attenuator LFM. The linear control voltage is the sum of these two voltages. A dual colour LED is used to display the polarity of the linear control voltage. The pitch of all outputs is determined by the control voltages of both sections. The linear section is used to control the pitch in a linear manner.
The main features of the Doepfer A-110-6 Trapezoid Thru Zero Quadrature VCO include:
This page first created on: 17/10/2017
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