Members Fender&EHX4ever Posted December 20, 2010 Members Share Posted December 20, 2010 Basically, I have 3 EHX amps that I want to run simultaneously (2 Dirt Road Specials, and 1 vintage Freedom Amp). I was thinking of splitting them using some kind of passive junction box, but will that cause impedance issues? If so, how can that be remedied? Would it help to just place a booster of some sort before the junction? Link to comment Share on other sites More sharing options...
Members kpd78 Posted December 20, 2010 Members Share Posted December 20, 2010 I don't have the technical knowledge of some around here I'm afraid, but I'd imagine there would be impedance/tone/volume issues using a passive splitter...I think having a buffer (or boost) immediately before the splitter could help, and it may also be beneficial to have a buffer after each of the splits as well. I often use two or three amps in parallel and use a combination of stereo (buffered) pedals and/or a Roger Mayer Crossroads to handle the signal splitting. Link to comment Share on other sites More sharing options...
Members bowlingshirt Posted December 20, 2010 Members Share Posted December 20, 2010 I think having a buffer (or boost) immediately before the splitter could help, and it may also be beneficial to have a buffer after each of the splits as well. I think the Morley Tripler does this to some extent. Link to comment Share on other sites More sharing options...
Members melx Posted December 20, 2010 Members Share Posted December 20, 2010 http://www.voodoolab.com/ampselector.htm this maybe? Link to comment Share on other sites More sharing options...
Members andreas Posted December 20, 2010 Members Share Posted December 20, 2010 When you split to more than one amp, the amps' input impedances end up in parallel. This means you can end up with a combined input impedance that is too low for normal guitar pickups to drive properly. But if you make sure there's a buffer (active pedal, Boss-type pedal left in bypass or a dedicated buffer unit) in front of the split, the buffer's output will have no problem with the lower input impedance. It depends on where in the chain you're splitting - if you're splitting right after the guitar, you need to add a buffer. If you're splitting at the end of the chain, you may already have the buffering you need. Link to comment Share on other sites More sharing options...
Members taco-man Posted December 21, 2010 Members Share Posted December 21, 2010 The BOSS LS-2 will split to three amps. Link to comment Share on other sites More sharing options...
Members THAT4301 Posted December 21, 2010 Members Share Posted December 21, 2010 I personally would at least buffer it, but if there's a buffered pedal at the end of the chain already it's probably no biggie. Link to comment Share on other sites More sharing options...
Members goaway Posted December 21, 2010 Members Share Posted December 21, 2010 i ran 3 amps once and didnt have any issues but it was probably because i ran two out of the stereo outputs on the cathedral and the third from the dry output from a dmm. so this post was probably not helpful at all. deal with it. Link to comment Share on other sites More sharing options...
Members Fender&EHX4ever Posted December 21, 2010 Author Members Share Posted December 21, 2010 this post was probably not helpful at all. deal with it. Thanks everybody for the info. I have an LS-2, so I'll give that shot... I'd for gotten that it has 3 outputs Link to comment Share on other sites More sharing options...
Members placebo62 Posted December 21, 2010 Members Share Posted December 21, 2010 1 in 3 HCFXers will suffer from impedance issues at some point in their life. Try not to think about it. Link to comment Share on other sites More sharing options...
Members wartoxin Posted December 21, 2010 Members Share Posted December 21, 2010 High quality clean boost, you will probably need a slight signal boost to compensate, and of course the boost will buffer it. From there, there are little y adaptors, I have 2, which will give 3 outs. Link to comment Share on other sites More sharing options...
Members hangwire Posted December 21, 2010 Members Share Posted December 21, 2010 or just use 3 outputs from some of the ehx boxes... like dry out and stereo outs and such... Link to comment Share on other sites More sharing options...
Members aeon Posted December 21, 2010 Members Share Posted December 21, 2010 You need to drive 3 amps from 1 guitar? Ha! I've got just the thing for you! The LittleLabs PCP Instrument Distro 3.0 It works like nothing else, as in, it's better, and it is a rocking good time for a dedicated pedalslut such as yourself. 1 guitar, 3 amps - it was made for that! 1 guitar, parallel effects pedals - yep! recorder/DAW tracks, reamped - you bet! use pedals as effects during mix? absolutely! cheers, Ian Link to comment Share on other sites More sharing options...
Members Fender&EHX4ever Posted December 21, 2010 Author Members Share Posted December 21, 2010 You need to drive 3 amps from 1 guitar?Ha! I've got just the thing for you!The LittleLabs PCP Instrument Distro 3.0It works like nothing else, as in, it's better, and it is a rocking good time for a dedicated pedalslut such as yourself.1 guitar, 3 amps - it was made for that!1 guitar, parallel effects pedals - yep!recorder/DAW tracks, reamped - you bet!use pedals as effects during mix? absolutely! Almost $1000. Yowsah! But it definitely looks like the thing to hit the spot. Thanks for the info, aeon!!! Link to comment Share on other sites More sharing options...
Members RoboPimp Posted December 21, 2010 Members Share Posted December 21, 2010 overkill zachman style Link to comment Share on other sites More sharing options...
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