Recent Posts

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PreenFM2 / Re: Arp MIDI CC NRPN Bug 2.08b Xavier & lokki OS's
« Last post by Xavier on September 20, 2018, 09:20:12 PM »

Thanks for the report and for taking the time to take pictures.
I'll take a look when i have time...
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PreenFM2 / Re: 30 years of Digital FM Preservation Video festuring the Preen FM2
« Last post by LastAmbientHero on September 11, 2018, 07:36:06 PM »
Great work and an interesting experiment.  Love the visual style too :)
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PreenFM2 / Re: General praise
« Last post by bigsofty on September 11, 2018, 02:47:59 PM »
Agreed such a fun device, needs more attention IMHO!  :)
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PreenFM2 / Arp MIDI CC NRPN Bug 2.08b Xavier & lokki OS's
« Last post by prephylve1 on September 08, 2018, 04:00:46 AM »
I'm programming a preset for the Behringer BCR2000. Some of the following also occurs while using the PFM2 Editor.

Sending sending NRPN and CC values for the Arp CLK parameter makes some parameters disappear from the page when all Arp parameters are being controlled with NRPN's.

Sending either NRPN and CC values for the Arp CLK will change the Arp BPM one increment at a time and change the Arp Direction to it's highest value.

Even stranger still, when I send NRPN and CC values for Division and Duration while still on the first arp page I get a garbled mess.

Will sometimes crash as well.

I've double checked the parameter's are not being sent values beyond their limit.

I've attached images below.




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PreenFM2 / Re: General praise
« Last post by Xavier on September 02, 2018, 06:11:03 PM »
Thanks a lot for this message  :)

Anyone who doesn’t use the randomization feature please needs to.

I totally agree with this  ;)
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PreenFM2 / General praise
« Last post by insignis on September 02, 2018, 07:57:30 AM »
Where is the general praise thread?  Please move this there.  Cuz this thing is amazing.  I want four of them.  Or individual outs on one of them, and four more.  Anyone who doesn’t use the randomization feature please needs to.  Thanks Xavier.  (PS shout out to that guy who built it for me!)
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PreenFM2 / New F.M. physical materials tutorial video on Youtube
« Last post by element-s on August 31, 2018, 01:14:35 PM »
HI all,

you might be interested in this series for experimenting with the FM1 and 2 and other FM machines

https://youtu.be/CdPa6VLi4GQ
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PreenFM2 / Re: PreenFM Noise issue; whining, tone, high pitch
« Last post by served on August 31, 2018, 11:16:23 AM »
Here is how we build our units to achieve the Shield + Inductor shielding solution against the High-pitch noise.
This is the maximum that can be achieved according to our todays knowledge.

Rev3 shield and Inductor mod is done on all the assembled PreenFM units including the Eurorack build.
http://vandaal-electronics.com/shop/

Possible inductors that we use are from Mouser:
807-S1812R-334K
810-NLFC453232T331KP
(I would suggest using the first one.)

The work involves de-soldering 1 SMD inductor and re-soldering a new one.
While doing this. You must keep the PCB as clean as possible. If you have not worked with SMD components before be very careful!
It can be done with a regular Solderingiron. Tweezers can also help.

Moddification looks like this:

The original inductor located L1


New Shielded Inductor. Orientation is not important.


Aluminium shield fixed to the screen.



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PreenFM2 / Re: Preen fm2 Issue
« Last post by served on August 27, 2018, 10:52:35 AM »
Hello,

Where did you get the Preen? Built yourself?

Various reasons:
1) Can you power it from Adaptor? maybe there is not enough current coming from your computer. It needs around 500mA to operate.
2) Something has come loose inside. The controller and screen are with connectors.
3) Other possible issues.
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PreenFM2 / Preen fm2 Issue
« Last post by devthhtous on August 25, 2018, 03:50:02 PM »
 I have a preenfm2 which was perfectly functioning until this morning. I connect it to my computer through a usb cable and after it turns on (I can see all the yellow squares filling the screen), it turns off immediately. Do you know what might be wrong?
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