roscoe5 Posted July 28, 2016 Share Posted July 28, 2016 Is there any issue or risk to Helix with plugging a mono cable into the Helix Phones jack to run to my stage amp effects return? My Volume knob would control FOH volume and Phones would control stage volume. Quote Link to comment Share on other sites More sharing options...
rbum Posted July 28, 2016 Share Posted July 28, 2016 No technical risk, as far as I know, but you won't get both sides which can be very irritating when you use stereo effects like delay. I use a two channel DI box between earphone output and stage monitor, which converts the two channels to one mono signal. You need to use a Y- adapter to split the stereo earphone jack into two mono jacks for the DI box inputs though. I used to have a volume pedal in this signal chain to control the monitor, but with Helix 's separate volume knobs, I don't need it anymore. Quote Link to comment Share on other sites More sharing options...
roscoe5 Posted July 28, 2016 Author Share Posted July 28, 2016 Thanks. I'm running mono back to my amp and FOH anyway. Maybe I'll toss a mono volume block at the end of the path to merge the stereo signal. XLR and 1/4" Left output have cable sensing for the right connector and makes the signal mono if right is not present, but it sounds like Phones doesnt. Quote Link to comment Share on other sites More sharing options...
amsdenj Posted July 28, 2016 Share Posted July 28, 2016 I use a TRS cable from the headphone output into the input of my Haffler Transnova P3000 power amp that is use as my stage amp. That way I have separate controls for what I send to FOA from the Helix XLR outs and my stage amp. I run both in stereo, but only because of chorus, delay and reverb stereo (after the amp) effects. This has little impact on what people hear if they're positioned near one of the FOH speakers, but adds a little depth to the overall sound without adding too much mud. Quote Link to comment Share on other sites More sharing options...
Joepeggio Posted July 28, 2016 Share Posted July 28, 2016 Is it bad to shor out one of the sides of the built in head phone amp? I dont know myself. Quote Link to comment Share on other sites More sharing options...
GeeTah Posted July 28, 2016 Share Posted July 28, 2016 Has anyone tried this method with a Mission Gemini 2 stereo FRFR amp? I'm going to have access to one at church this Sunday and might try it. Sure seems to make perfect sense. Quote Link to comment Share on other sites More sharing options...
frodebro Posted July 28, 2016 Share Posted July 28, 2016 Is it bad to shor out one of the sides of the built in head phone amp? I dont know myself. This is the most important question. Plugging a mono cable into the headphone jack WILL short one channel to ground, which could damage the headphone amplifier. Quote Link to comment Share on other sites More sharing options...
roscoe5 Posted July 28, 2016 Author Share Posted July 28, 2016 This is the most important question. Plugging a mono cable into the headphone jack WILL short one channel to ground, which could damage the headphone amplifier. Yeah, that was my original concern. Thanks! Quote Link to comment Share on other sites More sharing options...
zooey Posted July 29, 2016 Share Posted July 29, 2016 Don't know how Helix's headphone amp specifically would handle it, but I think fido's right, it's a real concern, I wouldn't do it. Just get an appropriate Y cable or adapter. Quote Link to comment Share on other sites More sharing options...
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