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Sharing this because I went crazy trying to figure it out, and maybe it’ll save someone else some time. A few days ago, I tried logging into Line 6 Helix Stadium, but the QR code never appeared. The manual login didn’t work either. To make things worse, the HX Stadium App kept crashing, and I couldn’t update it from my computer or through Line 6 Central. Ironically, those were the two options the manufacturer recommended when I contacted support. Since I work in tech, something didn’t add up. Everything pointed to the app not connecting to the server, which explained why the QR wouldn’t generate. Then I thought: “What if it’s the time zone?” I tried something simple: Disabled automatic time synchronization Set the time manually And… BOOM! The QR popped up instantly, and I was able to log in without any issues. Hope this helps someone out there.

If you are on Windows, please look in Device Manager and let us know if you see 'Helix Stadium Bulk Transfer' listed under 'Other Devices.' You may see a blue question mark inside a white circle associated with it. That means the Line 6's Windows USB driver didn't load which will explain the Stadium app crashing every time you attempt to connect to the Stadium XL. I have a support ticket submitted for this. For me personally, it is a moot issue at this point since I decided to order a MacBook Air to work around the issue.

It's not just you. I see the clip light go red on the top path with a number of factory presets. With that said, I don't really hear digital clipping when that happens. I'm almost always using both paths so I suspect that the final output stage is what's most important and I don't see that flash red very often. Beyond that, I find the factory presets in Stadium to be quite a bit louder than those of the original Helix. After sound engineer feedback, I tended to run my presets on the more quiet side with my old Helix which often had amp "level" (the final level control in HX systems) around 5'ish depending on the amp. In the new Stadium Agora amps, with their new level control that looks more like an audio fader starting a 0 and then boosting or cutting, I often have to make significant cuts to achieve the same output levels. For example, for a Matchless with a level of 5 in old Helix, I have to cut the new Agora AC30 to -21 db. It seems weird but still works fine. I recommend using some kind of outside metering to determine levels. I use the Youlean Loudness Meter most of the time as it's a simple stand alone app. Other times I have used an analyzer tool in my DAW (Logic). I tend to run my presets between minus 18 and minus 10 LUFS (loudness units). That seems to always leave headroom and the engineers seem to appreciate it. I also run the outputs at Mic level, not Line. In terms of gain staging, it's a good general principle to shoot for unity gain across all your amps and effects. Turn everything off and see what your direct guitar is like gain wise. Then I shoot for keeping most of my amps and effects around that same level. The exception is the gain pedals. In my view, gain pedals are meant give you more color to the sound AND boost the output a bit. I know others might not want that but that's how I do it. I set each gain stage to go up by around 2 LUFS. Another exception is that sometimes I will raise the "Mix" on a reverb or delay on a snapshot. That definitely raises gain at the same time but that's usually for a more dynamic section of a song so it helps compensate for pulling back. For a while, I used to put the LA2A compressor model at the end of my whole change (LA Studio Comp). I would set it for 2-3db of compression at my loudest sound and unity gain for clean. That can help smooth out gain changes and help "glue" things together as the engineers say. Over time I stopped as it took too much adjustment for every sound and song because it reacts differently with how much gain you feed it. Also, most engineers are compressing it at front of house as well as things can get too squished if you're not careful. So my recommendation is use some kind of outside metering, decide on a target level, and then adjust everything to fit that standard. If you use one preset for a whole show then you're done. If you use one song per preset, then you have to level all your presets to around the same levels for a cohesive set. Hope that helps!

Thanks, I appreciate the help. It sounds like your describing standard (non-quantized) looper practice, start on the 1, end on the 1. If there's something unique to Helix looper, please advise. I'm new to the Stadium and never used the looper in my HX Stomp. Right on the downbeat is where I'm locating the flags, "Beat 01, Ticks 001". I've just been experimenting with a 5-pin midi cable connected to he in and out ports, so the stadiums sending midi to itself. Then replacing those looper flags with MIDI Flags to send the looper commands via midi CC. It's seems better this way, strangely. Not rock solid, but almost usable. :). thanks again!

ReverendLove, Yes & Agree!! The perfect world.

It is dragging behind the beat. The song was recorded at 112 bpm, and Helix Stadium Tempo set to the same. If I turn the metronome on during playback, it is in sync with the song, so it seems everyone is on the same page tempo-wise. but yeah, the loop playback lags behind, I think by less than a beat.

Harrumph! I love a good forum storm-off...;)

None of the manufacturer's recommendations fixed the problem. Considering that it appears to be a connection problem with Line 6's servers, I tried something simple: I disabled "Date Time via Wifi" and setting the time/date manually, and boom! It fixed everything instantly! Incorrect time zone prevents connection to Line 6 servers.

Shizzle!

…. or Original Generation if you prefer….

Hi, I just wanted to reply to this thread which was very helpful to resolving my issue. I'm not going to recount all of the circumstances leading up to the failure of my Helix (bought in 2015, on constantly, used daily) but it died recently. Suspecting it was a similar issue, I popped the back open and found the power supply fried, as others did. I purchased this: https://www.digikey.com/en/products/detail/xp-power/ECS65US12/4487677?s=N4IgTCBcDaKHAEBGALAdgAwFoFgJwDYMA5AEThAF0BfIA based on the comments from this thread. NOTE: The new part does not look identical Another important note about this part (also mentioned in this thread) is that tolerances for the mounting holes are very tight. The way the mounting pilons are set, the mounting holes for this part will be ever so slightly out of alignment. This is easily resolved by loosening the mounting pilons, giving you enough tolerance to fit the power supply in place. Having completed the open heart surgery on the Helix, everything seems to be working correctly so far. Thank you everyone who contributed to this thread. Cheers Stu

"OG" is short for "Original Gangster", implying the first series of Helix/HX products.

For me the solution was to do the factory reset and the reimport preset backups. When i restored the backup the problem appears again. So i just backuped the presets to the computer, do the factory reset, and reimport the presets,

New Features & Improvements (3.83) New Dynamics Models: Dynamics > Stereo Width - Control the stereo field width of your signal Dynamics > Stereo Imager - Advanced stereo imaging control Dynamics > Gain - Simple, transparent gain staging Dynamics > Volume Pedal - Emulation of a classic volume pedal Dynamics > Pan - Stereo panning control MIDI Enhancements: Improved MIDI Clock Performance: Significantly enhanced MIDI clock stability and accuracy with a redesigned MIDI clock engine. Users should experience more precise tempo synchronization with external MIDI devices. MIDI Clock Auto Mode: Refined behavior when MIDI Clock RX is set to Auto, improving how the device handles loss of MIDI clock signal. Preset Change MIDI Handling: Improved how MIDI CC events are processed during preset changes, reducing potential conflicts. Tempo & Timing Improvements: Major Tempo Handling Update: Comprehensive improvements to tempo source management and switching, providing more reliable behavior when changing between internal and external tempo sources. Display Updates: Enhanced tempo source selection display to correctly reflect the current state. Bug Fixes (3.83) Fixed an issue where parameter changes could be incorrectly blocked in certain scenarios. Resolved tempo synchronization issues when switching between tempo sources. Corrected MIDI clock loss detection in specific edge cases. Compatible OS: Windows 10, Windows 11, Mac OS X, macOS Big Sur, macOS Monterey, macOS Sonoma, macOS Tahoe, macOS Ventura

I don't think that you can buy that plug on it's own. But ask the customer support!