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FX Loop Mod for AX2

ax2 ax212 loop

Best Answer KaZoom1618 , 05 August 2017 - 09:55 AM

Sorry, I closed down that website - the link to the loop-mod has moved to:

 

http://www.chiptools...12/loop-mod.zip

 

Hope that helps...

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#1 KaZoom1618

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Posted 11 March 2015 - 11:35 AM

Here's a replay of my 2013 post with 2015 updates:

 

I added an Effects Loop to my old AX2!

by KaZoom1618 on 2013-01-13 14:37:44

So I have an Line6 AX2 that I luv, but I got a looper for Xmas, and it's the one effect that the AX2 is missing...

 

Now if I place the looper between the guitar and AX2, the guitar is recorded 'clean' so that any effects that I set are applied to all loops as well as the live soloing. Not nice.

 

I downloaded the schematics, and wow - this is the easiest modification to make! I didn't even have to cut any traces - Line6 ran a multiwire jumper from the main board to the master volume pot break-out board that I can hack!

 

So the 'splice out' to a loop-out/loop-in pair of 1/4" jacks can be made right on the cable that links up to the master volume pot.

 

Since the AX2 is in stereo (and my looper isn't) - I only spliced in to the Left channel - but with stereo jacks, you could splice both wire 1 and wire 4 just as easily.

 

I also used a 1/4" jack with a switched contact on the receive jack (it switches as you push in the plug) - so that the receive defaults to getting the 'shorted' send signal - if you don't plug anything in the the loop.

 

This way the amp runs normally with no loop cords plugged in.

 

But plug a cord into the (upper) new 'loop-out' jack on the back panel to connect to the looper input, and another cord from the looper output to the (lower) new 'loop-in' jack on the back panel, and its magic!

 

Uh, here's a few pics along with the schematic mod:

http://www.ad-ons.co...12/loop-mod.zip

 

If you need more info (if anyone on the planet is still using this paradigm-breaking amp, and wants to mod it), just ask - I'm an EE :-)

 

BTW, it works great! I can record a loop with rhythm guitar effects on, and then play the loop back to the power amp while I solo (in stereo) with lead guitar effects!

 

 

 

Re: I added an Effects Loop to my old AX2!

by KaZoom1618 on 2013-01-14 14:16:18

I forgot to mention - to remove the amp chassis from the case, you remove 2 screws from each side of the amp, and 4 from the top (including the 2 that hold on the handle).

 

Then slide the chassis out of the back of the case - no need to remove any knobs, but of course, you unplug the AC cord, speakers and floorboard first!

 

Then remove the 'bottom' plate to access the circuit boards by removing the 9 screws.

 

Enjoy!


Edited by Line6Tony, 05 July 2017 - 09:16 AM.
Removed links to schematics

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#2 Musicmannetje

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Posted 21 August 2016 - 01:23 PM

Thanks for the info on this. I have build a stereo fx-return in my AX2, to be able to connect my POD HD to it. 


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#3 peterjanwilbrink

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Posted 25 September 2016 - 12:35 AM

Hi Kazoom,

 

thank you very much for this post. I'm gonna do this mod too, (as I'm already opening the amp to eliminate the digital rattling noise that comes from the speakers even when the master volume is turned all the way down.)

 

So the schematics will help me with that too!


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#4 Thub

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Posted 05 July 2017 - 06:53 AM

Does anyone have the AX2 schematic that KaZoom1618 linked?  Those links unsurprisingly no longer work.


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#5 KaZoom1618

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Posted 05 August 2017 - 09:55 AM   Best Answer

Sorry, I closed down that website - the link to the loop-mod has moved to:

 

http://www.chiptools...12/loop-mod.zip

 

Hope that helps...


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