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>Did you just pull out the memory bars, or did you also replace the >connector >strips for the SIMM bars? And how about that issue with 4mB SIMMs that >have >more than eight chips on them producing extraneous noise or even heavily, >erm, "processed" loops? I have SIMMs with eight chips maximum on them. more is useless >Should I look out for other SIMMs to replace them with in order to improve >S/N ratio? no, either it works or it does not, if not, the noise is huge >Stephen > > >____________________________________________________________________________ >_______________________________________ > >"Our land is a rape machine, I´d go outside if it looked the other way. >You >wouldn´t believe the things they do." (Gary Numan / "Down in the Park") > >Visit the official [´ramp] website at www.doombient.com > > >----- Original Message ----- >From: "Tom Combs" <tcombs@sep.com> >To: <dylan@aops-eds.com> >Cc: <Loopers-Delight@loopers-delight.com> >Sent: Wednesday, January 19, 2005 2:26 PM >Subject: Re: EDP Noise Problem (overheating?) > > >> Dylan, >> >> A couple of days ago I finally got around to opening my EDP to reseat >> the memory sticks. This seems to work wonders. The EDP is currently >on >> it's 3rd day of running a constant loop - no degredation that I can >hear. >> >> If you try this, please post your results. >> >> Thanks, >> Tom >> >> >> Dylan Deanda wrote: >> > Hi Tom, >> > >> > I'm in the same boat as you. After leaving a loop muted overnight, I >> > come back in the morning and it's degraded to hissy garble. >> > >> > I've pondered resetting my memory sticks, though I've never gotten >> > around to it to test the theory. >> > >> > I look forward to a fix. >> > >> > Best regards, >> > >> > Dylan DeAnda >> > >> > >> > -----Original Message----- >> > From: Tom Combs [mailto:tcombs@sep.com] >> > Sent: Tuesday, January 04, 2005 1:11 PM >> > To: loopers-delight@loopers-delight.com >> > Subject: EDP Noise Problem (overheating?) >> > >> > I have an Oberheim EDP (beige panel, maximum memory) has a noise >problem >> > and I'm wondering if it may have something to do with the voltage >> > regulator overheating issues I read about in the archives. >> > >> > Say I record a loop and I leave the unit running for a long time (a >few >> > hours). Eventually the loop will deteriorate, and any new overdubs I >> > apply at that point also come back immediately degredated. It kind >of >> > sounds as if the D/A becomes starved for voltage. I have noticed >that >> > my >> > unit gets pretty hot right around where I've read the voltage >regulator >> > lives. >> > >> > I should add that turning the unit off for 5-10 seconds fixes the >> > problem. >> > >> > Another possible symptom is that I notice my loops contain an >increased >> > level of hiss when compared with the input signal (I notice this >> > immediately after I hit record after recording a loop - it isn't due >to >> > repeated overdubs). The amount of hiss seems to vary at random. >> > Sometimes it's a little noticable but tolerable - other times it's >> > downright distracting. I've read that these units are supposed to be >> > quiet and have some of the best audio performance specs of most of >the >> > loopers that are out there. >> > >> > Thanks in advance, >> > Tom >> > >> > >> >> -- >> Tom Combs, Senior Engineer >> SEP, Inc. >> 11611 N Meridian Street >> Suite 800 >> Carmel, IN 46032 >> (317) 843-1640 >> -- ---> http://Matthias.Grob.org