hello everyone, Xpander problem, help is needed...
2012-01-27 by Bakis Sirros
hi everyone, new member here, my Name is Bakis. recently bought an Xpander and have the following problem: works and sounds great... ...apart from voice 5,
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Re: [xpantastic] Re: Those of you who replaced CEM 3372s how did you take them out ?
2011-12-03 by WT
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
Re: Those of you who replaced CEM 3372s how did you take them out ?
2011-12-03 by synthparts
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
Re: Those of you who replaced CEM 3372s how did you take them out ?
2011-12-02 by ktfiz
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
Those of you who replaced CEM 3372s how did you take them out ?
2011-12-02 by Tobbe
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
Upgrading from 1.0 eproms make strange sounds when tuning the VCF's
2011-11-30 by Tobbe Bergman
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
Re: [xpantastic] Intermittent Display on Matrix-12
2011-10-13 by Karl Schmeer
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
Intermittent Display on Matrix-12
2011-10-13 by joigaloid9
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
iTar + iXpander = a complete pair for your Xpander?
2011-10-08 by envia94
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
Re: iXpander iPad editor now supports wired connections
2011-08-21 by envia94
I m already dreaming. ... Thanks Michael! Tiitu
Some files added to group
2011-08-20 by baumont987
Hi, I uploaded some files to the group recently: Documents: - Matrix 12 preliminary operation guide - Matrix 12 overview - Matrix 12 spec sheet Patches: -
RE: [xpantastic] Re: encoders for the Japanese Matrix-12?
2011-08-08 by James Coplin
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.
Re: encoders for the Japanese Matrix-12?
2011-08-08 by envia94
Hi James, Please could you be so kind and upload the pictures in either of the following folders? http://groups.yahoo.com/group/xpantastic/photos/album/0/list
RE: [xpantastic] encoders for the Japanese Matrix-12?
2011-08-08 by James R. Coplin
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
encoders for the Japanese Matrix-12?
2011-08-08 by Haven Siguenza
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
Original encoders for sale in Germany, 15.7.2011
2011-08-07 by envia94
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
Re: [xpantastic] Re: Why no Xpander mod. matrix implementation?
2011-08-06 by Karl Schmeer
________________________________ From: Tony Cappellini To: xpantastic@yahoogroups.com Sent: Sat, August 6, 2011 10:10:51 AM Subject: Re:
Re: [xpantastic] Re: Why no Xpander mod. matrix implementation?
2011-08-06 by Tony Cappellini
... 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
Re: [xpantastic] Re: Why no Xpander mod. matrix implementation?
2011-08-06 by Karl Schmeer
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
Re: Intro and questions
2011-08-06 by synthparts
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
Re: Why no Xpander mod. matrix implementation?
2011-08-05 by vrazomatt
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
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Tony Cappellini
... would need development tools from that era, ... I m sure these are still available. I know of people doing 6809 development, but it s higher-level
Re: [xpantastic] Re: Why no Xpander mod. matrix implementation?
2011-08-04 by PeWe
You mean,- w/ a Matrix-12, if you´ve set up any quantized modulation or quantized portamento, these settings would be canceled by accessing the modulation
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by PeWe
I think, it is a well designed, relatively intuitive to use and reliable machine as it is. I never needed the mod-matrix display of a Matrix-12 in my Xpander
Re: [xpantastic] Re: Why no Xpander mod. matrix implementation?
2011-08-04 by Karl Schmeer
Hi Matt, I should have been more clear. I am assuming the digital boards of both the Xpander and the M12 are the same. I really don t know if they are, but if
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Karl Schmeer
Hi Tony, Well, you could do alot if the software was rewritten. But to do that you would need development tools from that era, like a 6809 Emulator/debug
Re: Intro and questions
2011-08-04 by andy
Great Sounds BTW. You didn t waste anytime gettin deep into the programming. Heh, thanks Karl- I use a modular setup too so the xpander feels like home
Re: Intro and questions
2011-08-04 by andy
Might leave off the DAC for now, though since there is only one in it I may be better off just going for it... cheers for the screen tip, mine is showing no
Re: [xpantastic] Intro and questions
2011-08-04 by Karl Schmeer
Hello Andy, Great Sounds BTW. You didn t waste anytime gettin deep into the programming. You might want to get the backup battery for the memory replaced.
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Karl Schmeer
Right back at ya :-) Karl ________________________________ From: PeWe To: xpantastic@yahoogroups.com Sent: Thu, August 4, 2011 3:05:24 AM
Re: Intro and questions
2011-08-04 by blchrr@homecall.co.uk
Hi there, just the one DAC in the Xpander- i dont think you have to have one for spares, but they seem to be a hard to find part, so if you want to get one as
Re: Why no Xpander mod. matrix implementation?
2011-08-04 by vrazomatt
Karl, I presume you are talking about the 6 cv/gate inputs (not the CV pedal inputs, which I assume the M12 has as well)? If so, there is no direct
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Tony Cappellini
... A certain key combination at power on would decide if the user wants CV inputs or Matrix Mod display. Additionally, a dedicated button press would be
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Tony Cappellini
Re: Intro and questions
2011-08-04 by sonofprent
Hey, Thanks for that, Ive spoken to a couple of those people already funnily enough (benden and synthparts. You think the DAC is worth having a spare one of
Re: Intro and questions
2011-08-04 by blchrr@homecall.co.uk
Nice demos there Andy. The CEM chips labels are 3374 for the dual vco and 3372 for the vcf chip, i think you will be able to find the 3372 filter chips quite
Intro and questions
2011-08-04 by sonofprent
Hello, finally got hold of an xpander last week, absolutely love it. Some of my first sounds out of it here: http://soundcloud.com/t1b/sets/xpander/ Im not
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by PeWe
Hi Karl ! That is ! best PeWe
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by PeWe
And that´s why I bookmark your post and now wait for your Xpander OS upgrade upload within 3days. ... And thats why I bookmark your post and now wait for your
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Karl Schmeer
The only difference in the front panel is an extra button and led to toggle between the voices 1-6 and 7-12. So thinking about just adding the firmware from
Re: [xpantastic] Re: Why no Xpander mod. matrix implementation?
2011-08-04 by Tony Cappellini
Never mind. I thought the M12 has an extra display ;-) In that case- you ve got a good point. I wonder why they didn t make a FW update for the Xpander. Sounds
Re: Why no Xpander mod. matrix implementation?
2011-08-04 by vrazomatt
What do you mean? They both have the same displays.
Re: [xpantastic] Why no Xpander mod. matrix implementation?
2011-08-04 by Tony Cappellini
It s not just a matter of FW, you need another display
Why no Xpander mod. matrix implementation?
2011-08-04 by vrazomatt
I was wondering why the M12 mod. matrix was never retroactively implemented in the Xpander? It s all software, so it seems like an update would ve been easy.
Re: [xpantastic] Re: Chaining multiple Xpanders
2011-06-30 by Jeremy Smith BSc (Hons)
... Note: I meant copying the patch to 6 voices is possible on the Xpander and the Matrix 12. But I agree the Xpander doesn t have the Matrix 12 feature you
Re: [xpantastic] Re: Chaining multiple Xpanders
2011-06-30 by Jeremy Smith BSc (Hons)
... No, it is available on the Xpander, I ve done it myself. Cheers, Jeremy.
Re: Chaining multiple Xpanders
2011-06-30 by tyrosine
I sold my Matrix-1000 years ago – sounds like a distant cousin of the Xpander, so not really an option. The suggestion about copying a patch to six voices,
Re: [xpantastic] Re: Chaining multiple Xpanders
2011-06-29 by Tony Cappellini
I think you re correct Jeremy, but having more voices appears to be the primary concern. Not being able to detune each channel isn t such a limitation On Wed,
Re: [xpantastic] Re: Chaining multiple Xpanders
2011-06-29 by PeWe
You´re free to use several Matrix-1000,- each one on a different MIDI channel, each one plays the same or a different sound, each one set to unison if you
Re: [xpantastic] Re: Chaining multiple Xpanders
2011-06-29 by Jeremy Smith BSc (Hons)
... The problem with a Matrix 1000 is you can t detune each channel. For instance, on the Xpander you copy a patch 6 times, make a multi with those 6 voices,