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279 Views 10 Replies Latest reply: Dec 3, 2012 8:27 PM by getwidth RSS
getwidth Just Startin' 13 posts since
Oct 15, 2012
Currently Being Moderated

Nov 28, 2012 4:07 PM

HD 500 PRO MIDI, changing channels on my amp

Hello all.  A ton of information in the forum and great stuff.

 

What I want to do

I want to press button A on my MKII shortboard and change to the preset, AND change the channel on my amp with a MIDI command.

 

Problem

If I understand the manuals correctly you can't do a MIDI CC send if buttons FBV FS5-FS8 (ABCD) are set in ABCD mode.  This means that I cannot have the shortboard send a CC message of my choice to my amp.  In order for button A (FS5) to send a MIDI CC message of my choice I have to put the ABCD buttons in the "FS 5-8" mode.  Then this would mean that pressing button A would not change the patch.

 

Question

Hopefully I am just missing something, and I have tried for a bit to get it to do what I want.  Is there a way to have buttons ABCD both:

  1. Transmit a patch change to the HD Pro 500
  2. Transmit a custom CC MIDI message to my amp to change the channel

 

Please tell me it is possible.

    • dbagchee Just Startin' 235 posts since
      Apr 12, 2007
      Currently Being Moderated
      Nov 30, 2012 7:09 PM (in response to getwidth)
      Re: HD 500 PRO MIDI, changing channels on my amp

      This is good stuff. I'll be helping my guitar player hookup the HD to his Carvin via midi and will hopefully have similar success!

        • dbagchee Just Startin' 235 posts since
          Apr 12, 2007
          Currently Being Moderated
          Dec 3, 2012 10:46 AM (in response to getwidth)
          Re: HD 500 PRO MIDI, changing channels on my amp

          Planning to do 4CM with midi out to the amp. The Carvin can "save" a mapping with whatever the current program change is so we'll set it up similar to you where channel a will get saved with the desired amp channel active.

        • jimsreynolds Power User 2,227 posts since
          Jun 27, 43450
          Currently Being Moderated
          Dec 3, 2012 12:19 PM (in response to getwidth)
          Re: HD 500 PRO MIDI, changing channels on my amp

          if you can get all the levels right in all the right places then 4CM can be quite transparent.   I can just detect it in my setup when I switch it out (a slight EQ change) but it is so minor that I can barely tell. 

           

          The one gotcha that comes up frequently with 4CM is ground loops between the Input and the FX Loop via the Pod.  This can cause all kinds of hum and noise  when using a high gain amp and is sometimes audible on lower gain channels too.  You can usually fix it either with an Isolating transformer of some kind or by  disconnecting the earth connection from one or more cables.  More details can be found in the doc here if needed --> http://line6.com/support/docs/DOC-2522

            • jimsreynolds Power User 2,227 posts since
              Jun 27, 43450
              Currently Being Moderated
              Dec 3, 2012 3:52 PM (in response to getwidth)
              Re: HD 500 PRO MIDI, changing channels on my amp

              Yep the (Ebtech) Hum Eliminators are the thing.  I needed to break the ground on both of my loop cables to get my setup working so use both channels.

               

              I have tried to make the guide as generic as I can but I reckon every amp is gonna have a couple of foibles with it.  I heard about the issue with the input buffering on the GSystem .... really not very impressive.,  Neither was the tactic to release a new version of the GSystem with a decent input buffer advertised as a 'feature' not a fix.  I know some people get good results with them though.

               

              Which Carvin?

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