Question about Roland Mc-909 Sampling Groove Box System

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Memory problem my mc 307 does start, I can play and even record and save patterns. but whenever I turn off the groovebox and turn it on again, the recorded patterns are still there, but the sounds aren't! they're just set back to the standard-synth again, so I would have to set them all again everytime I restart the groovebox...

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  • Tass Mann Oct 30, 2013

    @ mativatrance and other people with the same Problem I have an Roland MC-307 to with the same Problem.... ok i mean... you must @ first change the System Parameter go to Stystem at next to System (F1) than Midi (F4) and as next change the Midi RX Parameter (RX.Prog.Change & RX.Bank select & Rx.Sys-EX) to on!!!! And than, you must the Patch you have tweakt and recordet ( Tr. Rec. / Real Time ) , store into a User Storage and select this Patshes again on your Chanels you have recordet... and store the Pattern into a User memory ( I mean , it must works ;) )

  • Euge Diaz Balmaceda Jun 14, 2014

    I have the same issue. I've contacted Roland US support and the response to my question was really annoying: "We dont give support outside US" (Im from Argentina). I can understand how QA team doesnt realize about this big issue in the OS. And also, I can understand why Roland is not able to answer questions from their customers, related with issues in the Operating Systems. I've contacted in the past Korg and Novation and they kindly answered my questions... but Roland answer is "F** yourself"



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Hi i just got a used MC307 and i think i have a similar problem.. when i tried to edit a sound in real time it froze, it kept playing but was locked in the same pattern over and over again.. also i seem to have a problem with one particular bass patch in the 1st preset pattern called Psyche Trance. it doesnt sound like a bass it sounds like clicking.. otherwise everything else works totally fine.. this is wierd.. its not the same as your problem but they may all be a problem connected to the memory.

Posted on Mar 23, 2010


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