Davo Posted May 2, 2005 Report Share Posted May 2, 2005 Suppose I have Midiboxes SID and FM, and a Paia Fatman or two in a rack. Together they have a lot more outputs than typical keyboard amps have inputs. The obvious solution would be a simple 12-channel (or so) mixer in a 1U package. The controls would be level, panpot, mute, and a master output level with maybe a headphone output. The output would then go to a guitar amp or two, easily and cheaply available from a pawn shop. I've yet to see an amp intended for keyboards in the local pawn shops. The summing amp circuits discussed when I brought up adding an internal mixer to a synth sounds like a good place to start. Opinions? Quote Link to comment Share on other sites More sharing options...
Steven_C Posted May 2, 2005 Report Share Posted May 2, 2005 I believe some keyboardists use a simple mixer, like the idea that you describe. It is called a line mixer. Though I've never seen one. Quote Link to comment Share on other sites More sharing options...
d2k Posted May 2, 2005 Report Share Posted May 2, 2005 For some inspiration search over at thelab, plenty to go there ;)http://www.prodigy-pro.com/forum/viewforum.php?f=2Or you could buy a simple line mixer Steve describes - Rane springs to mind for a simple 1U line mixer... Quote Link to comment Share on other sites More sharing options...
Screaming_Rabbit Posted May 2, 2005 Report Share Posted May 2, 2005 I believe some keyboardists use a simple mixer, like the idea that you describe. It is called a line mixer. Though I've never seen one.http://www.rocktron.com/support/manuals/modelG612.pdfGreets, Roger Quote Link to comment Share on other sites More sharing options...
Steven_C Posted May 2, 2005 Report Share Posted May 2, 2005 something like this from ebay? http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&category=7266&item=7317483118&rd=1 Quote Link to comment Share on other sites More sharing options...
uclaros Posted May 2, 2005 Report Share Posted May 2, 2005 There are some schematics for simple mixing on www.generalguitargadgets.com , check it out.uclaros Quote Link to comment Share on other sites More sharing options...
moebius Posted May 2, 2005 Report Share Posted May 2, 2005 Suppose I have Midiboxes SID and FM, and a Paia Fatman or two in a rack. Hmm.. Sounds good. Someday someday... ;) Only got 5 pieces of gear and already having 21 outputs.. I'm not the one liking the small and compact mixers, but searching for "the sound" with plenty of easily reachable faders ect.Anyway, this sort of a keyboard/line mixers are pretty easy to DIY. Not going for over simple solutions - these are basicly (audio grade) opamp buffers on inputs with a summing opamp on the output. http://sound.westhost.com/project30.htm - shows plenty of the basic building blocks.Could be a nice addition to MISC section of the Forum?Bye, Moebius Quote Link to comment Share on other sites More sharing options...
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