patdixon Posted May 14, 2018 Share Posted May 14, 2018 I asked this over in the Blackstar forum also, no response yet. The manual says to be careful when hooking up to ext amps, making sure they're "short to sleeve". The BS HT40 I have does this so I should be okay. "Should" because I measure 3.3v from tip to sleeve (OD channel) & ring to sleeve (reverb) coming from the amp sw jack when both are turned on. When the switches are toggled on the amp footswitch the 3.3v shorts to ground turning off the LEDs & deactivating either one or both. I think using a TRS cable should work fine to switch both from the LT. Can someone please let me know if you've done this & it's no problem, and/or that the LT uses relay switching and therefore the 3.3v won't hurt it. I don't mean to make a big deal out of nothing but also don't want to screw up my new Helix. As always, any responses appreciated. Quote Link to comment Share on other sites More sharing options...
DonSpiegel Posted May 14, 2018 Share Posted May 14, 2018 If anyone knows what's going on inside the Helix when amp switching, I would also like to know. An AMP SWITCHING FOR DUMMIES would be appreciated. Quote Link to comment Share on other sites More sharing options...
patdixon Posted May 15, 2018 Author Share Posted May 15, 2018 Okay, got it. It works, great. The 3.3v was no problem at all & now I can change amp channels &/or reverb at will. If the footswitch supplied with your amp doesn't have LED indicators you don't even have to worry about it at all. Just hook up a TRS (or TS if only one sw) cable to the EXP2 jack then follow the manual pages 51/53 first, then 47/48. If your Helix footswitch lights up backwards from the state you expect (ie; lit when clean / reverb off, dark when OD / reverb on) Richie Castellano did a nice YT video showing how to fake out the switch by assigning a "dummy" block which you can then bypass, allowing you to flip the state. Here's a link: Start around 6:00 for this tip Thanks for the response Don. Please remember guys, what may seem stupid easy for you may be worlds away from some of us. My main concern was damaging my LT & it could've ended way worse if the LED voltage was routed to internal Helix processing. 1 Quote Link to comment Share on other sites More sharing options...
c0ntact0 Posted July 19, 2018 Share Posted July 19, 2018 I get 3 Volts between the tip and the sleeve of the HX Effects EXT Amp jack. Do you experience the same? Quote Link to comment Share on other sites More sharing options...
c0ntact0 Posted August 13, 2018 Share Posted August 13, 2018 Returned to dealer, a new one arrived, same problem, returned for refund. I'm buying a MOD Duo from MOD Devices. No more Line6 for me. Line6 is playing with the customers patience... And I'm tiered of this foruns where nobody helps nobody. Quote Link to comment Share on other sites More sharing options...
tedleonard1 Posted March 12, 2019 Share Posted March 12, 2019 For those who search this topic and the phrase Egnater Renegade, you don't need a stereo Y cable. If you just want to channel switch, a simple stereo cable will do. I can't believe how many things I tried before landing on that solution. Quote Link to comment Share on other sites More sharing options...
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