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Summary of Contents for lorelei

Page 1: ...User Manual Revision 1 0 lorelei ...

Page 2: ...or copied only in accordance with the terms of such licence The content of this manual is furnished for informational use only is subject to change without notice and should not be construed as a commitment by Expert Sleepers Ltd Expert Sleepers Ltd assumes no responsibility or liability for any errors or inaccuracies that may appear in this document ...

Page 3: ...Table of Contents Introduction 4 Installation 4 Power requirements 5 Inputs and outputs 5 Controls 5 Wave shapes 5 Cross modulation sync 7 Calibration 9 Where to get help 9 Acknowledgments 9 ...

Page 4: ...ut into a triangle like waveform the second sine output becomes a saw like waveform The cross modulation input is somewhat like the sync input found on more conventional VCOs but it has more nuances of operation allowing for a wider choice of sounds The module is 100 analogue using discrete transistor OTAs Installation House the module in a Eurorack case of your choosing The power connector is 16 ...

Page 5: ... attenuator Cross modulation sync input Wave shape CV input with attenuator Square pulse output Sine pseudo triangle output Cosine pseudo saw output Controls In addition to the three attenuators there is an eight position octave selection switch white a Tune control blue and a Shape control green The Tune knob will adjust the oscillator pitch by approximately one octave up or down Waveshapes The w...

Page 6: ...Waveforms shown for Shapes of approximately 0 2 3 5 5 6 5 8 10 ...

Page 7: ... certain voltage around 3 3V but this is not an on of thing the efect gradually applies as the voltage increases The upshot of this is that smooth waveforms e g sine or triangle for the syncing input produce a diferent efect to say square or pulse waveforms Also when using a pulse wave as the sync input the pulsewidth of the signal also afects the result quite drastically In the examples below Lor...

Page 8: ...Sync from 5V ramp wave Ramp wave reduced in amplitude to just trigger the sync Sync from 5V pulse wave with various pulse widths ...

Page 9: ...e waves at either end of the wave shape knob RV6 marked V oct trim controls the pitch tracking of the oscillator This needs to be set carefully to obtain the best possible tracking It is factory calibrated but you may fnd you need to recalibrate if your environmental conditions are much diferent to those in the factory or simply as the module ages Wheretogethelp Email forum and social media links ...

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