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M9 Stereo Problem


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#1 tdk8709

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Posted 17 April 2014 - 07:53 AM

I've just redesigned my board to include stereo effects instead of just splitting at the end to feed 2 amps. I run mono to my Timefactor, the split out of it in stereo to an M9 > RV5 > amps.

I was playing once I got it all wired up and noticed that I'm only getting signal from the "Right" amp sometimes. I narrowed it down to the M9. When I use an effect like Bias Trem, Chorus, Octo, I get both amps, but if I choose Analog Delay, I only get the "Left" amp.

So, I bypassed the M9 in my "right" signal and ran it from the TF to the RV5, and that got me signal all the time, both amps.

Anyone have any idea as to what is going on with the M9? Is it a software thing, a hardware thing, or some setting I haven't learned about yet? Pretty frustrating as I thought it would be pretty good for a lot of cool 3D sounds.
 

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#2 phil_m

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Posted 17 April 2014 - 08:55 AM

So is it only the Analog Delay effect that you're noticing this happening on, or is it others in addition to that. There are a few effects in which the left side is dry and the right side is wet (or vice versa), and I kind of remember the Analog Delay model being this way. So if you had it setup where you had the delay mix set high, I could see it being possible that the dry signal coming out of the left side could be a lot lower than what's coming out of the right side.


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#3 tdk8709

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Posted 17 April 2014 - 08:56 AM

No, it happens with effects bypassed as well.  I only get signal from the right when using certain effects.


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#4 phil_m

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Posted 17 April 2014 - 09:04 AM

Are you sure it's not a bad cable? I'm still not clear as to whether you're saying you never get signal from the right channel when bypassed, or if it's an intermittent problem.


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#5 tdk8709

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Posted 17 April 2014 - 09:50 AM

It is not intermittent.  I only get signal from the right channel when using certain effects (which I assume are stereo).  It is not the cable.  I used the same cable to completely bypass the M9 and it works perfectly.


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#6 phil_m

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Posted 17 April 2014 - 09:58 AM

So when everything is bypassed you never get signal from the right side?


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#7 tdk8709

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Posted 17 April 2014 - 10:00 AM

So when everything is bypassed you never get signal from the right side?

Correct.  Then, if I kick on something like Bias Tremolo, I get both sides.


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#8 phil_m

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Posted 17 April 2014 - 10:06 AM

It sounds like it would either be an issue with the M9's right input jack or the cable going into the jack. If you've already checked the cable, then I guess it's the jack. Most of the effects on the M9 aren't true stereo. Even if you have a stereo input, the left and right inputs are summed to mono before the effect is applied, and then the effect outputs in stereo. So even if you didn't have an input signal from the right side, that would explain why you get an output on the right for some effects and not others.


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#9 tdk8709

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Posted 17 April 2014 - 10:51 AM

Do I just need to resolder it, or replace it?  It's not under warranty anymore Im sure, so I'll have to fix it myself or it's just a doorstop.


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