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OBERHEIM SYNTH

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FA: OBERHEIM OB-8 and related stuff

2009-04-01 by chthonic

hi, i thought people on this group might want to know about the oberheim and other synth stuff i m selling. it kills me to let go of this OB-8 but at the

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Re:Help on Matrix 1000 fault

2009-03-30 by travelling_without_movin

thanks for the suggestion johan i try to find one to hear it.. by the way just for some other eventual help to anyone having the same problem: i have fixed the

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Re:Help on Matrix 1000 fault

2009-03-12 by travelling_without_movin

Hello fabrizio, thank you for the hint but i have already checked the thing.. i am thinking that can be the usual fault on these machine that seem to be

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Re:Help on Matrix 1000 fault

2009-03-11 by Fabrizio

Hi Paolo, I would check for the units settings in faulty presets: if it s set to 2 or more, you ve just found the problem! Just switch off the Unit

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Help on Matrix 1000 fault

2009-03-11 by travelling_without_movin

Hello all on the list, Just purchased this great sinth .. i just been impressed on the fatness of the sound and the telluric dynamics and low ends... is a real

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Re: [oberheim] Re: OB-x Troubleshooting

2009-02-25 by Paul J. White

... A higher clock speed Z80-CPU should be fine. I don t think NMOS vs. CMOS matters in this case either. ... Probably OK, but it may depend on what part of

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Re: [oberheim] Re: OB-x Troubleshooting

2009-02-25 by Paul J. White

... A higher clock speed Z80-CPU should be fine. I don t think NMOS vs. CMOS matters in this case either. ... Probably OK, but it may depend on what part of

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Re: OB-x Troubleshooting

2009-02-25 by jim finch

Well,It appears to be the Z-80 CPU.With all the chips associated with the D3 line are pulled,D3 still swings between 0-2V.No shorts to ground,or other

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Re: Oberheim OB-XA repair

2009-02-22 by nate.sharp1

Great, thanks for the info I ll give him a call this week and I will drop your name. Unfortunately, I do not have the tape with the factory patches on them.

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Oberheim OB-XA repair

2009-02-21 by nate.sharp1

Hi, I live in the Bay Area, Northern CA do any of you guys know of a good repair tech for an Oberheim OB-Xa that is in that area? thanks

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RE: [oberheim] Re: OB8 Problems.

2009-02-21 by Nicole Massey

It s called a Roadie s Screwdriver, and the application of kinetic force to an object s housing (including people, sometimes) does miracles for fixing problems

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Re: OB8 Problems.

2009-02-21 by Dorus Manassis

I believe you might find this funny.... my friend decided finally to take this beauty (OB8) to the synth technician. So he tries to load it to his car. On the

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Xpander power supply problems

2009-02-20 by kovalmoog67

First at all, Hello to the members of this list. My name is Sergio, from Spain. A friend of mine gaves me his Xpander for repairing, and now I am in a very big

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Re: OB-x Troubleshooting

2009-02-18 by jim finch

I know that it s not power supply related.I have replaced some of the tantalum caps that fried on one of the voice cards.Yes, I know what the voice cards are

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Re: OB-x Troubleshooting

2009-02-18 by nelsonj_sce

I wish you both the best of luck. Let me know when you decide to sell it as parts. ... is ... many, ... tried ... directly

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Re: [oberheim] Re: OB-x Troubleshooting

2009-02-18 by Paul J. White

... Remove any and all ICs that have a connection to D3 one at a time until the loading goes away. You shouldn t damage anything if you turn off the power

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Re: OB-x Troubleshooting

2009-02-18 by nelsonj_sce

Don t pull out ICs - pull out the voice cards. If you have an 8 voice machine, on the right half of the keyboard (high notes) there will be a hinged shelve

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Re: OB-x Troubleshooting

2009-02-17 by jim finch

Did some work over the weekend.Here s what I found.The D3 line is loaded down to about 2 volts.All the other Data lines are reading 4.8- 5 volts.Pulled the

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Re: OB-x Troubleshooting

2009-02-16 by nelsonj_sce

I have an OB-X and have gotten it back to life many times. First, your memory battery likely went dead. If the board still works (you can program it by turning

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Re: OB-x Troubleshooting

2009-02-11 by jim finch

Don t need stories about other peoples unrelated products please,just some useful tips on servicing this beast of a OB-X.I don t want to come off as being

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re: OB-x Troubleshooting

2009-02-10 by Trey Petty

I ve had a Matrix-6R sitting in its box for the past 8years (can t bear to part with it, and have BIG PLANS to haul it out and fire it up again). Are you guys

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OB-x Troubleshooting

2009-02-09 by jahg88

Hi All.Have a OB-x that worked great the last time I used it two yrs. ago.Now when turned on,random lights come up.I have the service manual.Power supply

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OB-x Troubleshooting

2009-02-09 by jahg88

Hi All.Have a OB-x that worked great the last time I used it two yrs. ago.Now when turned on,random lights come up.I have the service manual.Power supply

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Re: Matrix1000: fault voice?

2009-02-09 by rzakrin

... zero. ... I have the same problem, I would say about 2/3 of the patches work fine, the other third are unusable. I learned to live with it. Regarding

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Matrix1000: fault voice?

2009-02-08 by resistenzaaoltranza

Again, here am I. Good new and bad new: thanks to the self-calibration routine, You wisely suggested me, I finally noticed that the six voices sounds

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Matrix1000: fault voice?

2009-02-07 by resistenzaaoltranza

Many thanks for Your kindness.... I am going to try and then I will tell You. I forgot to write I have the 1.1 OS version, while the chip on the right side has

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Re: Matrix1000: fault voice?

2009-02-06 by narfman96

Congratulations on your new purchase! There is a self calibration and voice test mode in the Matrix1000. This is explained on page 39 in the manual. Select

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Re: [oberheim] Matrix1000: fault voice?

2009-02-06 by Frank de Ruiter

Put the Matrix in test mode and calibrate the unit. Page 39 in the owners manual www.flitemedia.com/downloads/matrix1000/OberheimMatrix1000.pdf ... From:

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Matrix1000: fault voice?

2009-02-06 by resistenzaaoltranza

Hello, there! I am a new proud Matrix1000 owner. Testing all the voices I felt something was wrong: pressing the same note six times, I hear the last behaving

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Re: [oberheim] OB8 Problems.

2009-01-26 by Paul J. White

... It could be a lot of things, but the fact that it s a group of four voices indicates something common to that voice board. It could be a bad connector, a

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OB8 Problems.

2009-01-26 by Dorus Manassis

Ok i visited a friend yesterday and he has received an OB8 that is in bad shape. When you turn it on it plays ok for some seconds and then it starts sounding

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Re: [oberheim] Matrix 6 broken keys

2009-01-13 by David Kyle

I also have this problem- 1 broken C key- 3 yrs ago i found a guy selling them on ebay-bought 1 and never received it-managed to get my paypal back, tho. I

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Matrix 6 broken keys

2009-01-12 by Rei

Hi, a friend of mine gave me his Matrix 6 with two broken keys. Does anybody know where can I find spare keys? Thanx

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