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PowerCab 212 Line 6 Link Bug?

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Found an intermittent possible bug in the PowerCab 212 when daisy chaining two together with a Helix.  I was able to reproduce almost 100% for a bit while writing this up, but then sometimes I can’t.


————

 

Steps:

Connect guitar to Helix


Connect Helix Line 6 Link out to PowerCab 1 Line 6 Link in using an AES/EBU cable

 

Connect Line 6 Link Out on PowerCab 1 to PowerCab 2 Line 6 Link in

 

Power Helix On, then PowerCab 1, then PowerCab 2.

 

Turn volume up in both PowerCabs to half, and turn up the volume on the Helix to whatever.  Make sure both have sound.

 

Turn the volume on PowerCab 1 down to zero and verify PowerCab 2 still has sound.

 

Mute the guitar.  Continuing to play appears to negate the issue.
 

Turn the volume on PowerCab 2 down to zero and wait 5+ seconds.

 

Turn the volume on PowerCab 2 back up and wait 5+ seconds.

 

Now try to play guitar.

 

Result?  


No audio.  No signal indicators on the PowerCab 2.  PowerCab 1 appears to stop sending signal.  Green signal lights appear on PowerCab 1, and turning the volume up works.  Restarting PowerCab 2 does not restore audio.  You must restart PowerCab 1, and then audio on PowerCab 2 will work again.

 

——————

 

I tried swapping the order of the PowerCabs in the signal chain and got the same result.  Whichever amp is in the middle of the Helix and the other stops sending signal when the volume is set to zero, and nothing comes in to the amp for a bit, but only if the second cab is also set to zero briefly.

 

—————

 

This is a minor issue, but may you have to restart your PowerCabs between sound check and your show.  Or make sure you never set the volume to zero on the amps themselves.

 

Ran into this the first few times I played with the amps live, and thought maybe I had to start them in a certain order.  I was playing withy two amps today and investigating a new rattle, and I’ve figured out what’s actually going on for this problem.

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I have been Having same Trouble with 2 Powercab Plus 1X12's, no sound from cab 2...... Have been just using one cab at gigs...... I will say one cab is loud enough but i have two

to use....... My original thought was one for me and one i could aim more towards the rest of the band.........

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On 3/8/2020 at 8:06 AM, tooloudtoobad said:

I have been Having same Trouble with 2 Powercab Plus 1X12's, no sound from cab 2...... Have been just using one cab at gigs...... I will say one cab is loud enough but i have two

to use....... My original thought was one for me and one i could aim more towards the rest of the band.........

 

Yeah I use two, one on each side of stage.  Makes us less reliant on floor monitors.

Glad to hear it's happening in other cabs, and not just mine. 

Simple enough to fix, and avoid, as long as you know what's going on at least.

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Same issue with my Helix and two PC 112 Plus speakers interconnected via L6 link. The second PC+ in the chain stops playing as described by guitars69.

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Has anyone reported this to support? I only have one PC112+, but thinking about another. Be nice to know what support says about it......

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No, I only posted here.  Figured support looks at these, but perhaps that's incorrect.  Will forward this to them directly I suppose.

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I suspect the problem is that the Line6 link was intended to support two Powercab 112’s and automatically detect the second Powercab 112 and switch to stereo. But if you’re using wto Powercab 212s, these are already stereo and might be confusing Line6 link.

 

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On 6/11/2020 at 3:16 PM, amsdenj said:

I suspect the problem is that the Line6 link was intended to support two Powercab 112’s and automatically detect the second Powercab 112 and switch to stereo. But if you’re using wto Powercab 212s, these are already stereo and might be confusing Line6 link.

 


Someone above said they have two 112's and have the same issue.  So I don't think that's it.  Seems more like turning the volume down on the 2nd cab causes the L6 Link to think a second was disconnected maybe. 
 

On 5/6/2020 at 3:28 PM, VlastimilVostrak said:

Same issue with my Helix and two PC 112 Plus speakers interconnected via L6 link. The second PC+ in the chain stops playing as described by guitars69.

 

The 212's each switch to mono, so that the dual cab set up is in stereo, but each cab is just one side.  I didn't test if it switches the first cab back to stereo if the second cab is lost.

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FYI support has been notified and they've passed the issue on to QA to test.

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Any reply from support on the lost signal issue with low volume? I have two 112+'s and haven't lost signal but I'm not sure how to edit IR's on them via HX edit? Do you have to connect the USB on each of the Powercabs to use the PowerCab Edit software or can you run or control this via the L6 Link cable? I can't figure out how to edit the Powercab IRs or get the Powercabs to change IR's with anything but Powercab Edit via a USB cable. Am I right or just not getting it? Do I need to plug in each Powercab by USB as well as L6 Link?

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Can't comment on the lost signal issue. Hopefully OmniFace will chime in on that.

 

IRs loaded on the Powercab are managed with the PC Edit SW.

To call an IR that's loaded on the Powercab with a preset you use the "User IR" Mode in HX Edit or on the Helix itself.

Select (PC)1 OR (PC) 2  to set different IRs on each, OR 1+2 Link if you want to set both to the same IR.

BUT you need to know the IR Slot # on the Powercab, the IR NAME doesn't appear in either HX Edit OR on Helix.

That means you need to have the PC Edit SW running or keep a hard copy list of Powercab IRs. Don't forget to SAVE the Preset!

 

Hopefully they'll fix that in HX Edit, but lack of display space on the config page of the Helix HW unit could be a problem for displaying the often LENGTHY IR names.

 

 

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On 7/20/2020 at 9:11 PM, dietmd said:

Any reply from support on the lost signal issue with low volume? I have two 112+'s and haven't lost signal but I'm not sure how to edit IR's on them via HX edit? Do you have to connect the USB on each of the Powercabs to use the PowerCab Edit software or can you run or control this via the L6 Link cable? I can't figure out how to edit the Powercab IRs or get the Powercabs to change IR's with anything but Powercab Edit via a USB cable. Am I right or just not getting it? Do I need to plug in each Powercab by USB as well as L6 Link?

 

No word from Support on the signal issue.

 

As rd2rk stated, if you're trying to assign an PowerCab preset to a Preset in the Helix, you do it in the Helix patch:

 

Powercab Remote using HELIX via L6 LINK
Use the following steps to configure a Line 6 Helix Floor, Rack, or LT device for L6 LINK remote functionality with Powercab Plus.

  1. On Helix, from any Output > Multi or Output > Digital block, press PAGE> once. Powercab remote parameters appear.
  2. Turn Knob 1 (Powercab Remote) to select:
    1. Off - No remote control of Powercab Plus parameters, but audio is still active
    2. Per Preset - Powercab Plus parameters are stored and recalled with the Helix preset
    3. Global - Powercab Plus parameters are stored and recalled globally
  3. Turn Knob 3 (Speaker Select) to select which speaker(s) you’d like to control. If you have a single Powercab 112 Plus, leave this set to “Speaker 1+2."

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On 5/1/2021 at 11:52 AM, spelljammer1 said:

Any news?  Thinking to grab another with the rebate

 

Not that I'm aware of.

 

The issue is minor though.  I wouldn't worry about getting a 2nd one.

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Yup. Same issue here. Just got two brand new 112s and it does this a lot. You have to turn off the second one and turn it back on again, if not working.  Not sure if there is an exact way to turn everything on and get it right the first time. What a bummer. 

 

The way that seems to work with the most consistency (meaning here that it works about 95% of the time). Is:

 

1. Turn on Helix Wait for it to load. 

2. Turn on 2nd Cab - the one that is linked to the 1st Cab (1st Cab has the L6 Link coming from the Helix and daisy chained to the 2nd). 

3. Turn on the 1st Cab. 

4. Turn up both volumes. Both cabs should work. 

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Only a year later and still no fix.

I've since sold the 112 and got a PC212+. Sounds great, but has minor issues of it's own.

Support says there MIGHT be a PC update in queue, from which I infer that it has a lower priority than the Helix coffeemaker attachment.

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5 minutes ago, rd2rk said:

Only a year later and still no fix.

I've since sold the 112 and got a PC212+. Sounds great, but has minor issues of it's own.

Support says there MIGHT be a PC update in queue, from which I infer that it has a lower priority than the Helix coffeemaker attachment.

Ah, the ole coffeemaker attachment. Long time coming. 

I get the award for the most tinkering with the power cabs. Had two 112+ There was something wrong with one of them, at least I thought because it would never link up to the other cab. Then went with the 212+. Really loved it, but proved to be too big for my studio and was still wanting to use my tube amps live. Then starting playing more ambient music and so decided on the pair of 112+ again. I really like the small size and weight and the wide stereo spread. Then I remembered the link up issue. But, I think my method works almost all of the time. But they really should fix this. I think I will put in another ticket just to keep it on their radar. 

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I’m having the same issue.

when I turn the volume up and down to the 2nd PC 112 plus.

it cuts out and loses signal.

I ruled out the amps by reversing the 1st and 2nd PC+. 
same results.

very frustrating. 
only the 2nd cab loses signal.
Hope to hear a solution from line 6 soon. I got the helix and two PC+ 112’s to simplify my live situation and keep some control on stage. 
this doesn’t help. 
Plus it’s a big investment.

Both money and the time invested trouble shooting, learning curves, hours of you tube tutorials for on line 6 products. 
only to be halted by a bug in the powercab. 

 

 

 

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I still have the same issue. Got 2- 112+'s in my studio and a 212 in my office. Seem to have the #2 112+ cut volume and need to reboot the Helix- #1 112+ then the #2 112+. Can be very frustrating!!!

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I put in a ticket about this and they got back saying to check that I did a firmware update and that I am using AES/EBU cables. I told them that I am and that this is a known issue on the forum. I am waiting a response. I suggest that everyone here put in a ticket. Only takes a few minutes. It needs to be addressed. Knock on wood, it is not happening with me lately, but that could change. 

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Just submitted another ticket about this. PLEASE, of those on here with same issue, do the same. They do not think it is an issue. I sent them the link to this thread (although there are other places this is posted on the forums). I love the Power Cabs now that I really understand them, but this issue sucks! A lot of people may not be experiencing it because they do not daisy chain two cabs, but this was the beauty of the L6 Link set up and Line 6 Edit being able to control both cabs. I really think if they fix this bug and the problem with the HF Driver issue that pops up on the 212, that these Power Cabs will be their best thing yet when added to the Helix. 

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@rd2rk can probably chime in on the 212 issues. I did not have my 212 long enough to experience that. I preferred the 2x 112s

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12 hours ago, dietmd said:

Ditto to Wondo100. Not sure what th HF issue with the 212 is?

 

 

12 hours ago, Wondo100 said:

@rd2rk can probably chime in on the 212 issues. I did not have my 212 long enough to experience that. I preferred the 2x 112s

 

Powercab 112 Hardware update - Powercab - Line 6 Community

 

EDIT: Solution: Use MIDI to send CC#5 to the Powercab. Value of 0 = OFF, Value of 113 = ON 0.0db.

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