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Expert Sleepers Ltd. Expert Sleepers Ltd assumes no responsibility or liability for any errors or inaccuracies that may appear in this document.
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Table of Contents Introduction..................................4 Installation.................................... 4 Power requirements..............................4 Inputs and outputs................................5 Controls....................................5 Signal fow..................................... 5 Filter control..................................6 Use as a drum synth................................ 6 Jumpers....................................7 Where to get help................................7 Acknowledgments................................7...
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Be sure to connect the other end of the power cable correctly, again so -12V corresponds to the red stripe on the cable. Power requirements Pandora draws up to 69mA on the +12V rail, and 58mA on the -12V rail. It does not use the 5V rail. 1 http://www.doepfer.de/a100_man/a100t_e.htm...
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2 If you've heard about CMOS pairs in the context of filters before it was probably related to the EDP Wasp filter. That circuit famously 'abuses' a CMOS inverter as a gain element; Pandora on the other hand uses discrete...
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oscillate. Finally, there is a dry/wet mixer, controlled by the 'Mix' knob and CV input. With the Mix knob at 0 the output is purely the unafected input signal; with the Mix at 10 the output is only the flter output. Filter control The Alpha and Beta controls both afect the centre frequency of the flter (which, as already mentioned, has a bandpass response), but in very diferent ways.
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Jumpers There are two jumpers on the upper PCB, labelled JP1 and JP2. These control the nature of the dry/wet mix, as follows: Without the jumpers ftted, the mix is a linear crossfade of the dry and wet signals – at •...
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