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Support forums for all POD HD products do I do a 2 amp set up?
by sbrocke on 2013-03-01 10:17:35.2830

I have a Line 6 HD500.  I want to plug any guitar I want  (acoustic or electric) and, based on the patch, have it route either to the right side (my mesa lonestar) or the left side (PA when using my acoustic)

When I tried that, I got some of the most unbelievable hum.   tried several cables.  Tried switching the ground lift.  Hum was quieter but still there.   Hum goes away when I unplug one of the two xlr output cables.

Any ideas or help would be greatly appreciated.  

Re: do I do a 2 amp set up?
by sbrocke on 2013-03-01 10:19:57.5610

Also,  for some reason I can only do this using xlr outputs.   The 1/4 outs are only mono so I can't isoloate either side.

So for clarity I would like my signal chain to be

Guitar-Guitar In on HD 500

Right XLR Out-Mesa Boogie Input

Left XLR OUT-PA system

Re: do I do a 2 amp set up?
by scottyo78 on 2013-03-01 16:04:20.3520

I've only run mine with a single guitar at a time but I think I've read/heard that you can run 2 at a time.

Here's an "Indespensable Guide" to the HD500 written by one of the users in this forum... turned to the section that should help you.

Re: do I do a 2 amp set up?
by dbagchee on 2013-03-01 17:11:33.8570

If the amp and the pa aren't on the same circuit you may be getting a ground loop. You will probably need something like this to help eliminate it:


You should get stereo out of the 1/4" as long as both outputs are connected. Make sure the Pod Mixer block is panned hard left and right and you have no mono summing fx after the mixer block. If you only use one 1/4' output it will sum to mono.

The information above may not be current, and you should direct questions to the current forum or review the manual.