Search found 94 matches

by Skiroy
Sat Jul 04, 2015 7:24 pm
Forum: HELP!
Topic: Korg MS20 calibration
Replies: 7
Views: 5833

Re: Korg MS20 calibration

Does any Ms 20 owners know if it is normal for some notes to be louder than others or is this a calibration issue? Also some notes sound like the two oscillator are blended differently than others.
by Skiroy
Tue Jan 07, 2014 12:42 pm
Forum: General Synthesizers
Topic: Switched on in Austin
Replies: 4
Views: 603

Switched on in Austin

Hey guys Im looking for a place familiar with the OBXA to have overhauled. Does anyone know about Switched on in Austin TX for repairs. Im in Florida so its closer to me than a place I found in Colorado.

Cheers
by Skiroy
Tue Mar 26, 2013 1:54 am
Forum: Buyer's Guide
Topic: Oscilliscope for synth work
Replies: 20
Views: 1726

Re: Oscilliscope for synth work

So will these work on a Hitachi v422 or not?
http://www.ebay.com/itm/320847586236?ss ... 1423.l2649
by Skiroy
Wed Mar 20, 2013 9:37 pm
Forum: Buyer's Guide
Topic: Oscilliscope for synth work
Replies: 20
Views: 1726

Re: Oscilliscope for synth work

yea or nea on the probes?
by Skiroy
Wed Mar 20, 2013 4:57 am
Forum: Buyer's Guide
Topic: Oscilliscope for synth work
Replies: 20
Views: 1726

Re: Oscilliscope for synth work

I posted the links to the ones I am looking at.
by Skiroy
Tue Mar 19, 2013 12:32 am
Forum: Buyer's Guide
Topic: Oscilliscope for synth work
Replies: 20
Views: 1726

Re: Oscilliscope for synth work

So a 100mhz probe will work fine with a 40mhz scope?
by Skiroy
Sat Mar 16, 2013 2:53 pm
Forum: Buyer's Guide
Topic: Oscilliscope for synth work
Replies: 20
Views: 1726

Re: Oscilliscope for synth work

Okay guys I just won a Hitachi V422 on ebay. One thing Inoticed i that alot of scope dont include the probes. So I have 2 questions 1. Will any probe work or is there variables? I was looking at these probes. http://www.ebay.com/itm/320847586236?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 Or ...
by Skiroy
Sat Mar 02, 2013 2:36 am
Forum: Buyer's Guide
Topic: Oscilliscope for synth work
Replies: 20
Views: 1726

Oscilliscope for synth work

I want to get into some light audio repair on my synths and Calibration of my OBXA. What Megahertz rating for a Oscilliscope do I need?
by Skiroy
Fri Feb 15, 2013 2:00 am
Forum: General Synthesizers
Topic: Opinion on OBiie voice card cap voltage
Replies: 15
Views: 1165

Re: Opinion on OBiie voice card cap voltage

I was really just looking for an easy answer as to which is better. Im just going to pick the "audio grade" one that is gold and shinny!

I cant keep up with the engineering.
by Skiroy
Thu Feb 14, 2013 1:28 am
Forum: General Synthesizers
Topic: Opinion on OBiie voice card cap voltage
Replies: 15
Views: 1165

Re: Opinion on OBiie voice card cap voltage

synthroom wrote:
Skiroy wrote:Or the "general purpose" UPW caps that have 180ma,higher temp rating and 2000hrs lif.
2000 hours is only 83 days...
? I dont know what that value means but thats the specs.

What about the ESR question comparing the two?
by Skiroy
Wed Feb 13, 2013 4:09 am
Forum: General Synthesizers
Topic: Opinion on OBiie voice card cap voltage
Replies: 15
Views: 1165

Re: Opinion on OBiie voice card cap voltage

Can anyone tell me about the ESR ratings for each capacitor I posted the links to. Thw ebsite will take to to the product page where they have a link to the ducumentation. Im not seeing and info on the ESR.
Can you help?
by Skiroy
Sat Feb 02, 2013 1:32 am
Forum: General Synthesizers
Topic: Opinion on OBiie voice card cap voltage
Replies: 15
Views: 1165

Re: Opinion on OBiie voice card cap voltage

Your not discouraging me at all. I greatly respect and appreciate everyone on this forum. Everyone is very knowledgable,helpfull and respectfull. Thank You for your advice. I have considered size. Thats why I have narrowed it down to the two I posted a link to. I know both have been used in the OBXA...
by Skiroy
Fri Feb 01, 2013 8:04 am
Forum: General Synthesizers
Topic: Opinion on OBiie voice card cap voltage
Replies: 15
Views: 1165

Re: Opinion on OBiie voice card cap voltage

I guess that leaves the Nichicons,just for the voice card caps. I have the choice between "audio grade" which have 62ma ripple current,lower temp rating and 1000hrs life. http://www.mouser.com/Search/ProductDetail.aspx?R=UFG1V220MEMvirtualkey64700000virtualkey647-UFG1V220MEM Or the "general purpose"...
by Skiroy
Thu Jan 31, 2013 2:49 am
Forum: General Synthesizers
Topic: Opinion on OBiie voice card cap voltage
Replies: 15
Views: 1165

Opinion on OBiie voice card cap voltage

Okay so Im down to getting my caps for the voice cards. Here is the service manual. http://www.lazyblueoctopus.com/oberheim_obxa_service_manual_3.pdf Now everyone says to go with higher Voltage caps. I did throughout the PSU and motherboard. I really want to stay as close to the original caps as pos...
by Skiroy
Sat Jan 26, 2013 2:01 am
Forum: HELP!
Topic: Trimmer Pots for OBXA
Replies: 12
Views: 735

Re: Trimmer Pots for OBXA

What ones you suggest for 50V and higher for the 3300uf and 2200uf?