How about a switch Dieter 2011/3/27 Florian Anwander <fanwander@mnet-online.de> > > > Hi, > > If you own an A-127, then you that it can be changed from band pass to > low pass with internal jumpers. > > Now: If you have an A-127 Version 3 (the version is written on the > pcbs), then it is also possible to get a high pass signal too. You > simply have to feed pin 14 of IC1 to the center pin of the selection > jumper; you can pick this signal at the right side of R15, which is the > resistor direct aside the unused trimmer P8. One cable nothing else! > > Btw: the A127 is a hidden gem as it provides in fact three SEM filters! > > Florian > > [Non-text portions of this message have been removed]
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Re: [Doepfer_a100] Highpass modification for A-127 version 3
2011-03-27 by ikke