mol Posted May 26, 2014 Share Posted May 26, 2014 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 Quote Link to comment Share on other sites More sharing options...
discreet Posted May 26, 2014 Share Posted May 26, 2014 Hit up ikay, he has an LMIII service manual pdf. [url="http://basschat.co.uk/topic/183003-lm-iii-parallel-series-effects-loop-mod/"]http://basschat.co.uk/topic/183003-lm-iii-parallel-series-effects-loop-mod/[/url] Quote Link to comment Share on other sites More sharing options...
mol Posted May 26, 2014 Author Share Posted May 26, 2014 Thanks Discreet, have PM'd ikay Quote Link to comment Share on other sites More sharing options...
discreet Posted May 26, 2014 Share Posted May 26, 2014 [size=4] [/size] Quote Link to comment Share on other sites More sharing options...
GMTA Posted January 23, 2017 Share Posted January 23, 2017 After searching on Google on how to change the effects loop from parallel to series, I came across this topic. I've created [url="https://jelleraaijmakers.nl/2017/01/effects-loop-parallel-series-markbass"]a page with instructions[/url] 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. Quote Link to comment Share on other sites More sharing options...
xgsjx Posted January 23, 2017 Share Posted January 23, 2017 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. Quote Link to comment Share on other sites More sharing options...
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