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Re: EDP Noise Problem (overheating?)
>Did you just pull out the memory bars, or did you also replace the
>strips for the SIMM bars? And how about that issue with 4mB SIMMs that
>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
no, either it works or it does not, if not, the noise is huge
>"Our land is a rape machine, I´d go outside if it looked the other way.
>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" <email@example.com>
>Sent: Wednesday, January 19, 2005 2:26 PM
>Subject: Re: EDP Noise Problem (overheating?)
>> 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
>> it's 3rd day of running a constant loop - no degredation that I can
>> If you try this, please post your results.
>> 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:firstname.lastname@example.org]
>> > Sent: Tuesday, January 04, 2005 1:11 PM
>> > To: email@example.com
>> > Subject: EDP Noise Problem (overheating?)
>> > I have an Oberheim EDP (beige panel, maximum memory) has a noise
>> > 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
>> > hours). Eventually the loop will deteriorate, and any new overdubs I
>> > apply at that point also come back immediately degredated. It kind
>> > sounds as if the D/A becomes starved for voltage. I have noticed
>> > my
>> > unit gets pretty hot right around where I've read the voltage
>> > 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
>> > 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
>> > 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
>> > 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