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 Forum index » Instruments and Equipment » Alesis Andromeda
Different A6 tuning problem
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cram1960



Joined: Jul 02, 2008
Posts: 9
Location: Cedarhurst, NY , USA

PostPosted: Sun Aug 07, 2011 2:18 pm    Post subject: Different A6 tuning problem Reply with quote  Mark this post and the followings unread

My A6 is jumping from regular program into some wacky tuning, all by itself.

I keep temp tuning off, and the other one too, so this has nothing to do with that.

I turn on the A6, and after it loads up, and a patch is selected, it will just jump into a random tuning. I don't even have to touch the machine.


any ideas as to what might cause this?

I have autotuned the unit several times.
I have left it off overnight then turned it back on.
I have changed patches thne have it happen on the new patch.

The worst part is that it seems random....just jumps

Thanks !

Craig
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soundwave106



Joined: Nov 24, 2004
Posts: 322
Location: Elmo's Mud Wrestling Club
Audio files: 2

PostPosted: Sun Aug 07, 2011 8:13 pm    Post subject: Re: Different A6 tuning problem Reply with quote  Mark this post and the followings unread

cram1960 wrote:
any ideas as to what might cause this?


The pitch wheel, possibly. My A6 occasionally has a pitch wheel that occasionally will not properly transmit a zero value when centered. This will cause the A6 to sound randomly "out of tune" (throughout the entire range, obviously). If you disable the pitch bend entirely and the problem corrects itself, then this is the source of the problem.

If individual notes actually are out of tune, then this isn't the problem... just posing this as a possibly.
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cram1960



Joined: Jul 02, 2008
Posts: 9
Location: Cedarhurst, NY , USA

PostPosted: Sun Aug 07, 2011 9:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

i'll look into that, thanks/.

But while using a patch, the "A4 Equals" window is popping up on the LCD, too.

So all of a sudden it'll go from a patch where "A4 Equals 440.00 Hz" and jump to "A4 Equals 783.78 Hz".


<sigh>
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soundwave106



Joined: Nov 24, 2004
Posts: 322
Location: Elmo's Mud Wrestling Club
Audio files: 2

PostPosted: Mon Aug 08, 2011 5:45 am    Post subject: Reply with quote  Mark this post and the followings unread

cram1960 wrote:
i'll look into that, thanks/.
But while using a patch, the "A4 Equals" window is popping up on the LCD, too.
So all of a sudden it'll go from a patch where "A4 Equals 440.00 Hz" and jump to "A4 Equals 783.78 Hz".
<sigh>


Oh, OK. If that's happening, I'd suspect a jumpy master tuning pot. (Unfortunately Andromedas have a tendency for developing jumpy pots of one sort or another... Sad )
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marino



Joined: Aug 08, 2011
Posts: 2
Location: Italy

PostPosted: Mon Aug 08, 2011 4:05 pm    Post subject: Reply with quote  Mark this post and the followings unread

First post, after lurking for a lifetime...

A quick way to temporarily "cure" a jumpy pot is to turn it all the way left and right several times. Generally, this helps a good deal. If it doesn't, you could open the Andy and check for loose connections, or damaged ribbon cables.

Anyway, to the OP: Is the tuning of the whole instrument jumping all together by the same amount, or do the various voices go out of tune with each other?
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vout



Joined: Oct 06, 2007
Posts: 31
Location: scotland

PostPosted: Tue Aug 09, 2011 3:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi,

My Andy has exactly the same problem - I traced it to the pitch-bend wheel generating random midi messages. It was completely random, sometimes it worked perfectly, other times it was all over the place. Recalibrating the controls did not fix the problem. I disconnected the pitchbend wheel in the end and the problem disappeared. That was some time ago, but recently the mod wheel has started to misbehave too - when it is turned up past halfway it generates massive amounts of spurious data and the display and sound goes haywire. Again completely random, sometimes it works perfectly.

It sounds like you may have the same problem - Use a midi monitor to check if your Andy is doing the same - I used Midiox on PC, I'm sure there's a similar program for Mac.

Cheers, vout
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