Oakley Sound Systems
Stereo Ensemble – SE330
PCB Issue 2
User Manual
V2.0.3
Tony AllgoodOakley Sound SystemsCARLISLEUnited Kingdom
Страница 1: ...Oakley Sound Systems Stereo Ensemble SE330 PCB Issue 2 User Manual V2 0 3 Tony Allgood Oakley Sound Systems CARLISLE United Kingdom...
Страница 2: ...the components needed to populate the board please visit the main project webpage at http www oakleysound com se330 htm For general information regarding where to get parts and suggested part numbers...
Страница 3: ...ry effective when the wet dry control is set to around 50 The four VC LFOs are made from four separate circuits Two of the LFOs produce sine waves and two of them produce triangle waves The SE330 is w...
Страница 4: ...e more likely to clip than low frequencies For example a static sine wave at 200Hz will clip at 3 6V peak peak While at 2kHz clipping will start at 1 2V peak to peak TRIANGLE RATE Controls the rate of...
Страница 5: ...ls There are four LFOs in the SE330 but they are not connected so that one LFO controls its own BBD This should work well but in practice it doesn t give the sound of the classic Japanese string machi...
Страница 6: ...nough between the channels to give a wide ensemble sound Quad Ensemble Mode The RS or VP ensemble mode The third mode is the most complex The basic behaviour is the same as the stereo mode but the qua...
Страница 7: ...etriment to the SE330 It should work fine with signal levels direct from a mixer line level synthesisers and modular synthesisers The input impedance is too low to work direct from guitars unless they...
Страница 8: ...e frequency of the square wave is approximately 75kHz CLK2 This sets the delay time of BBD line number 2 If you have no scope or frequency counter then adjust CLK2 so that pin 1 of U32 is approximatel...
Страница 9: ...utput If you have no scope then just set this trimmer to its middle position Although this sounds pretty imprecise it s actually not too far from the perfect setting If you have access to a scope you...
Страница 10: ...Select the dimension mode and turn the balance control to wet Make sure the peak LED is not lit and listen to the left output only You should hear the pitch being modulated again but much more smoothl...
Страница 11: ...is the Oakley Sound Forum at Muffwiggler com If you have a comment about this user manual or have a found a mistake in it then please do let me know either via e mail or the forum Tony Allgood at Oakl...