solution to voice failure
2008-08-28 by philipperyckman
Just wanted to let everybody know that my voice failure problem has been fixed thanks to the very kind and very smart advice of Karl (tsohta). Old capacitors
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[xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-26 by Seth Elgart
... Well, you re absolutely right about the quality thing, and I am also bummed out about it. However, if it s a choice between more and better modules on the
Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-26 by Karl
Ok Seth, MOTOM was one of the few still making electronic kits, with a quality I have never seen before and probably will never see again. It just bums me
[xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-26 by Seth Elgart
... I believe a small bit of (gentle) correction is in order here. I have a number of completed MOTM modules, as well as a much larger pile of still unbuilt
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by PeWe
I agree with you in all points, Karl
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by PeWe
Hi Karl ! I´m a keyboardist/arranger, sometimes composer, only, as a pro since I finished studying graphics designs in the 70th and I worked as a musical
Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by Karl
Hi PeWe, ... I can t count how many times I considered duplicating the M12 with a modular and came to the conclusion it just wasn t worth it. ... Yes, but I
Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by Karl
Hi PeWe, OK, I should have said entirely analog signal chain. BTW my schematics show the Chroma, as not using any CEM envelope generators but rather generating
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by PeWe
Hmmm,- the Matrix12 and the Xpander aren´t entirely analog polyphonic synths. Entirely analog polyphonic synths were the SEM based Obies, OBX and OBXa, the
Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by Karl
Hi All, Since we are on the subject, I would like to point out that it seems to be a curse for a company to build an entirely analog polyphonic synth. Oberheim
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by PeWe
Hi ! Yep,- 20K pieces is right, That´s what I´ve read too. The prob is: 20K pieces per type of chip. There are a lot of CEMs in the early synths,- OBXa, OB8,
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-25 by Jeremy Smith
... If so, not only on this group, because there s lots of Curtis-based synths. Maybe MatrixSynth blog? Jeremy.
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by attila publik
IIRC, I read somewhere that some company wanted a minimum order of 20.000 chips to start making them again... There´s a lot of great analog synths out there
Re: [xpantastic] Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by Jeremy Smith
... Just to clarify, the review I said stated that the same Curtis chips sound better in one synth (Xpander) than another made by another (poorer talented)
Re: [xpantastic] Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by Jeremy Smith
... Hi, I didn t mean they were bad. But there s a review of the Xpander which says they Screwed the t**s off crummy Curtis chips to get the best sound. I
Re: [xpantastic] Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by PeWe
AFAIK, Dave Smith is using CEM filters only and these are available. In addition he has NOS chips in stock from the past. It also can be, there are the chips
Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by Karl
Hey PeWe, I think I know why Curtis chips have his rep. There is a reveiw of the M12/expander on a large retailers site. It trys hard to convince you that
Re: [xpantastic] Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by PeWe
... I don´t know what makes you believe Curtis chips are crummy . These are nothing else than miniaturized analog circuits and without these you would have
Re: Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by Karl
Hey There Jeremy, First off, I agree that Tom s accumulated experience with synth design created an incredibly sounding synth. I have spent a great deal of
Re: Synthesiser audio (musician's) feedback as important as technological brilli
2008-08-24 by envia94
.. and original is original, no matter if it sounds better or worse , which is somewhat subjective ofcourse.
Re: Synthesiser audio (musician's) feedback as important as technological brilli
2008-08-24 by envia94
I think the answer hides in physics in that sense that the chips are not only designed for music, but they happen to produce harmonics and noise that comes
Synthesiser audio (musician's) feedback as important as technological brilliance? (theory)
2008-08-24 by Jeremy Smith
Hi, I was wondering why the Xpander, made from crummy Curtis chips, can out-sound any of the VST soft synths I ve heard. The conclusion I came to is this:
Re: Matrix 12 Service Manual
2008-08-23 by envia94
Hi, Yes, please, scan! I did just a few days ago scan the Owner s Manual. The file did not fit in the Documents directory, so I did make a link to it. See:
Matrix 12 Service Manual
2008-08-23 by Tony Cappellini
I forgot I had a copy of an M12 service manual, buried in the garage. It s almost unreadable, it s a 3rd or 4th generation copy, and scanning it is likely to
Re: Xpander voice failure
2008-08-21 by philipperyckman
No, the failures appeared separately. Thanks, Philippe
Re: Xpander voice failure
2008-08-21 by philipperyckman
Hi Karl, Many thanks for the suggestions. I ll try it tonight and let you know. Best regards, Philippe
Re: [xpantastic] Xpander voice failure
2008-08-21 by William Cason
did voices 2 and 3 fail simultaneously? ... From: philipperyckman Subject: [xpantastic] Xpander voice failure To:
Re: Xpander voice failure
2008-08-20 by Karl
Hello Phillipe, Look at the Bypass capacitors Cx49 that each voice feeds into. It s toward the front of the board. C649 = Voice 2 C549 = Voice 3 It s a 2.2
Xpander voice failure
2008-08-20 by philipperyckman
Hi everybody, Can anyone help me ? I ve got this voice problem with my Xpander: on voices 2 and 3, the 2nd VCO doesn t work, and it s NOT the 3374 nor the
nice patches, baumont987
2008-08-19 by randycason102
Rhodes were cool, liked the pads the best, very nice. Randy
Re: battery change, when ?
2008-08-19 by Karl
Hi All, Ok, Sorry I checked the Digi-Key Websites in Netherlands, Belguim,France,and spain to no avail. It seems the only place Digi- Key stocks these
Re: battery change, when ?
2008-08-18 by Karl
Hey All, Tell you what, You can buy brand new versions of this battery from a company called Digi-Key. They are on the web Digi-Key.com and have distribution
Re: [xpantastic] Re: battery change, when ?
2008-08-18 by PeWe
Hi ! I think this will work ...
Re: battery change, when ?
2008-08-18 by synthesizeuhr
... Thanks Perhaps it s safest to make a change soon since the Xpander is +20 years by now, what type of battery can be used as replacement?
Re: [xpantastic] Re: battery change, when ?
2008-08-18 by PeWe
Hi ! ... I changed mine 1x in 20 years so that´s right. The 2nd battery is still working here since then, no leakage. ... Hi ! ... synthesizeuhr
Re: [xpantastic] Looking for bank finish replacement screws for the end bells?
2008-08-18 by Tony Cappellini
Sorry, taintlien. I now see you ar eonly looking for the screws, not the end bells themselves. On Sun, Aug 17, 2008 at 5:49 PM, taintlien
Re: [xpantastic] Looking for bank finish replacement screws for the end bells?
2008-08-18 by Tony Cappellini
Someone on Analogue Heaven made replacement bells, but they were meant to position the Xpander as if it were a desktop/rack mount unit. I dont have any info,
Re: [xpantastic] Re: battery change, when ?
2008-08-18 by Tony Cappellini
On the OB8 if you loose the battery, you loose the calibration values, and need to do the cal over. You need a 4 digit voltmeter for the cal, although you
Looking for bank finish replacement screws for the end bells?
2008-08-18 by taintlien
Can anyone point me in the right direction to an exact match for the black (antiqued) looking screws and finish washers that fasten the end bells to the
Re: [xpantastic] Re: How Many Made?
2008-08-17 by Jeremy Smith
... Hi, Hasn t arrived yet! It must be going by surface mail or something. Jeremy
Re: battery change, when ?
2008-08-17 by Karl
... could be disastrous if the ... Hello There Synthesizeuhr, Common wisdom is to change your backup batteries every 10 Years. I have never changed mine, And
Re: How Many Made?
2008-08-17 by Karl
... have ... Thanks Jeremy, How s the Toccata doing? Karl
battery change, when ?
2008-08-17 by synthesizeuhr
I recently checked my battery and it still looked like new but it could be disastrous if the damed thing started to leek someday. Has anyone done a battery
Re: [xpantastic] How Many Made?
2008-08-17 by Jeremy Smith
... 2000 Xpander s: http://www.synthmuseum.com/oberheim/obexpand01.html Matrix 12 unknown: http://www.synthmuseum.com/oberheim/obemat1201.html Jeremy.
How Many Made?
2008-08-17 by Karl
Hi All, Can anyone tell Me How Many Matrix 12 or Expanders were made? I have never been able to find this out. Karl
Re: Xpander/M12 Easter Egg
2008-08-17 by envia94
It was related to the previous post by Karl.
Re: [xpantastic] Re: Xpander/M12 Easter Egg
2008-08-16 by matrix
??? I m not seeing the rest of this thread. ... -- cheers, matrix http://matrixsynth.blogspot.com
Video
2008-08-16 by envia94
See the video and you ll get the point: http://www.envia.fi/click_this.htm Tiitu. ... plays ... tranposing
Re: Xpander/M12 Easter Egg
2008-08-16 by envia94
The buttons on the left play basses and chords, and, on the right melody and chords. It plays mechanically like a normal chromatic accordion buttonnoard, but
Re: [xpantastic] Re: Xpander/M12 Easter Egg
2008-08-15 by Karl Schmeer
Nice Pic, What are all those buttons are those qwrty type or something custom. Karl envia94 wrote: Yeah, M12 says HI DAD! See HI MOM and