surrym Posted December 4, 2019 Share Posted December 4, 2019 Hi - I Have recently got a HX Effects and cabled it up via the 4CM. I am getting sound but I have a Marshall TSL with 3 channels. When I change the channels on the amp (using a marshall footswitch), the sound doesn't change. Its as its just going through the HX and not reflecting if I change the Amp channel form say clean to crunch. I suspect its something to do do with signal path but not sure where to start. I feel like such a newbie wit this stuff so apologies if dumbarse post. Any obvious errors? Thanks Quote Link to comment Share on other sites More sharing options...
rd2rk Posted December 4, 2019 Share Posted December 4, 2019 Is there an FX Loop Block in the signal chain? Quote Link to comment Share on other sites More sharing options...
surrym Posted December 4, 2019 Author Share Posted December 4, 2019 Hi I am just using it with the out of the box presets at the moment and I don't thing there is a FX Loop Block in the chain that I can see. Quote Link to comment Share on other sites More sharing options...
rd2rk Posted December 4, 2019 Share Posted December 4, 2019 If you're correctly wired for 4cm, you gotta have a corresponding FX loop or the signal just goes straight to the output block and on to the amp's FX Return, bypassing the amp's preamp section and thus, you don't hear the changes. Pop an FX Loop Block in there and (assuming correct wiring) it should work as expected. Quote Link to comment Share on other sites More sharing options...
surrym Posted December 4, 2019 Author Share Posted December 4, 2019 Hi - I found a video to add one and that worked :) So was I just getting the pre amp signal only? I guess I will need to add into every preset I use then... Cheers. Quote Link to comment Share on other sites More sharing options...
rd2rk Posted December 4, 2019 Share Posted December 4, 2019 8 minutes ago, surrym said: So was I just getting the pre amp signal only? No, you weren't getting the preamp at all, your guitar was going into Helix, then out to the amp's FX return, bypassing the preamp entirely. Glad you got it working. Quote Link to comment Share on other sites More sharing options...
surrym Posted December 4, 2019 Author Share Posted December 4, 2019 Thanks for that. I see now that the presets that will work have a 4CM prefix in the name.... Cheers Quote Link to comment Share on other sites More sharing options...
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