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How to change a Little Mark III effects loop from parallel to series


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#1 mol

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Posted 26 May 2014 - 04:45 PM

Dear all
I wonder if anyone can help. I want to change the effects loop on the Little Mark III from parallel to series. I can see the jumper on the circuit board that says series and parallel and can see how to change this but just wanted to see if there was anything else I need to change. Have a service manual for Mark II which has two aspects to change, but the board is quite different. Has anyone changed this on the Mark II or got a pdf of the service manual that they might want to forward on. Any advice greatly received.


Thanks
Ian

#2 discreet

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Posted 26 May 2014 - 04:55 PM

Hit up ikay, he has an LMIII service manual pdf.

http://basschat.co.u...fects-loop-mod/

#3 mol

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Posted 26 May 2014 - 05:27 PM

Thanks Discreet, have PM'd ikay

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Posted 26 May 2014 - 06:11 PM

:hi:

#5 GMTA

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Posted 23 January 2017 - 11:59 AM

After searching on Google on how to change the effects loop from parallel to series, I came across this topic. I've created a page with instructions and pictures on which jumpers to change on an LM III (or equivalent) amp for anyone else that doesn't want to chase a PDF. :)

#6 xgsjx

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Posted 23 January 2017 - 02:39 PM

The LMII has 2 jumper switches inside, one for changing the FX loop & the other is for the DI being pre or post EQ.
I dare say the LMIII may be similar.





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