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This is interesting, I have a Prophet T8 where one of the voices have a longer release-time. On certain patches, this is very noticeable. Maybe I should check what 3372s are in there. WT

It's not just the Xpander/M-12. The Prophet-600 is pick about CEM3372s also. I have some of the older rev chips in stock. Doug synthparts.com

The newer rev D ICs from Technology Transport didn't work properly in my Xpander... A while back I had my Xpander serviced for one voice that would very faintly sustain indefinitely. It was

When I replaced my Eproms for Voice and Processor I used a PLCC Extractor like this: http://www.ultrabios.com/graphics/plcc_extractor.gif will this work for pulling out the CEM 3372s as well ? I

Hi all Oberheim Xpander users ! I bought my Xpander (US Made) in 1989 and been using it with Voice and Software versions 1.0 without any problems ever since. I read somewhere that it was advisable

Hello, Every integrated circuit in the M12 is in a chip socket. It's quite possible one or several of the IC's have worked loose. Another possibility is that one or more of the ribbon cable

Hello! Thank you for allowing me to join this group. I previously posted at the Oberheim group under a similar name. I am in the process of fixing up my Matrix-12, possibly for sale in a few

Hi, Check this out: http://www.kickstarter.com/projects/starrlabs/itar-turn-your-ipad-into-a-guitar An iTar might perfectly accompany the iXpander editor running on your iPad. As a guitarist, I

I'm already dreaming. ... Thanks Michael! Tiitu

Hi, I uploaded some files to the group recently: Documents: - Matrix 12 preliminary operation guide - Matrix 12 overview - Matrix 12 spec sheet Patches: - Matrix12 factory Patches These files are

If you go to Digikey and look up the part number there is a technical drawing there that will give you dimensions etc. Probably best to look there. James R. Coplin *From:*

Hi James, Please could you be so kind and upload the pictures in either of the following

I'm not sure if I posted here but this year I finally found a suitable replacement for the encoders in Bourn's encoders PEC09-2325K-N0015. Digikey is the only place in the US I've found that stocks

Anyone know where/what equivalent encoders for the Japanese made Matrix-12 are available? I have a Japanese made Matrix-12 that has sat unused for almost a year. It is missing a single encoder and

I picked the following offer from thomann.de web page in German: Step-Encoder für Xpander/Matrix-12 Sehr seltene originale Drehregler (Step-Encoder) für Xpander/Matrix-12. Stückpreis:

________________________________ To: xpantastic@... Sent: Sat, August 6, 2011 10:10:51 AM Subject: Re: [xpantastic] Re: Why no Xpander mod. matrix implementation? ? Good Point Tony. I

The Matrix 12 ROMS will try to find the 2nd voice board which the Xpander doesn't have. This *may* cause an error condition which keeps the CPU from completing its initialization routine.

Hi Matt, Yep AFAIK?it has never been tried before. I would want to take a long serious look at the schematics and hardware for each synth before I would even try

I do have 2 Xpander DACs left in stock and the 3372s. I also have a few 3340s and 3360s if you need them Rob. I am out of 3374s and beware that the ones on ebay from that Chinese seller are fakes

Karl, The mod matrix page is accessed through the "Misc" page, correct? So the implementation is based on hardware that already exists on the Xpander i.e. you wouldn't be giving up any other