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System A - 100 A-147 doepfer VCLFO 1. Introduction Module A-147 (VCLFO) is a voltage controlled low frequency oscillator, which can produce cyclical con- A-147 Reset trol voltages over a 0.01Hz to 50Hz frequency range. VCLFO The VCLFO can be patched as a modulation source Frequ.
A-147 System A - 100 doepfer VCLFO 2. Overview Controls and indicators: 1 Frequ. : Manual frequency control A-147 VCLFO 2 CV : Attenuator for the voltage at input " Voltage Controlled LFO 3 LED : Frequency indicator for the triangle Frequ.
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System A - 100 A-147 doepfer VCLFO 3. Controls and indicators 4. In- / Outputs 1 Frequ. ! Reset This control sets the frequency of the VCLFO in a A gate pulse entering the reset input socket ! enab- range from 0.01 Hz (one cycle every 100 seconds) to les the VCLFO to be synchronised with another 50 Hz (50 cycles a second).
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A-147 System A - 100 doepfer VCLFO ~ +5 V This socket outputs a sine wave (amplitude range roughly ± 5 V), whose frequency / voltage state is indicated by LED 3 . ~ -5 V ~ +5 V ...
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System A - 100 A-147 doepfer VCLFO 5. User examples Simulating string vibrato The patch in Fig. 2 shows a string vibrato simula- An LFO can be used for all sorts of different modulati- tion, copying the common guitar or violin playing...
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Integrating the VCLFO into a MIDI system That makes the LFO frequency in effect program- mable, and also naturally means that you can control it Unlike the A-145 and A-146 LFOs, the A-147’s fre- while playing in real time. quency can be voltage controlled.
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System A - 100 A-147 doepfer VCLFO 6. Patch-Sheet The following diagrams of the module can help A-147 A-147 A-147 VCLFO VCLFO VCLFO you recall your own Patches. They’re designed so Voltage Controlled LFO Voltage Controlled LFO Voltage Controlled LFO that a complete 19”...
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