A135_ Posted October 26 Share Posted October 26 Hi all, Being a classical guitarist this is all new to me. I have katana m3, it says to plug the L/mono into the power amp in. The guitar into instrument 1. To bypass the physical amp Ive set the 1/4 out level to line. I get a ghosted sound, very quiet, master volume is on full. When i take the end from "power amp in" plug it into the "input" its very loud, but not a neutral sound, as all the physical bells and whistles on the amp dominate. Ive been scratching my head for 2 hours, Any help please? Quote Link to comment Share on other sites More sharing options...
IanP1 Posted October 27 Share Posted October 27 Have a look at the online manual for connections with the Helix Stadium https://manuals.line6.com/en/helix-stadium/live/quick-start Plug the output from the Stadium L mono into the your Katana Gen3 power amp in to use it as an FRFR cab (powered speaker). Plug your guitar into the instrument input of your Stadium or if using a microphone to get your guitar sound then use the mic input. The L mono output from the stadium into the Katana is the only connection it requires do not plug your guitar into the Katana guitar input connector. Guitar into Stadium and its effects are then output thru the L mono to Katana and thats it! Quote Link to comment Share on other sites More sharing options...
littlespaceman Posted Thursday at 11:02 PM Share Posted Thursday at 11:02 PM On 10/26/2026 at 9:12 PM, A135_ said: Hi all, Being a classical guitarist this is all new to me. I have katana m3, it says to plug the L/mono into the power amp in. The guitar into instrument 1. To bypass the physical amp Ive set the 1/4 out level to line. I get a ghosted sound, very quiet, master volume is on full. When i take the end from "power amp in" plug it into the "input" its very loud, but not a neutral sound, as all the physical bells and whistles on the amp dominate. Ive been scratching my head for 2 hours, Any help please? I can't tell from your explanation what you're actually doing - pictures would help, if you can post some. My first advice, however, is don't use the Katana (or any other digital amp) as an FRFR, as IMHO they all sound awful that way. You'd be better with some monitors or proper FRFR cabs (which don't have to be big and/or expensive - check out the Headrest FR 8 or the Headrush FR Go) Quote Link to comment Share on other sites More sharing options...
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