Emax

Thanks for the clarification i will look into it. 

--- In emax@yahoogroups.com, Ted Summers <djtbs1@...> wrote:
>
> You can have a grounded 3 wire plug on a unit and one (or more) of the
> following can also be true:
> 1) The ground lead is disconnected in the unit.
> Should connect to metalwork / chassis, and also a tab on the power supply
> itself.
> This is the green wire inside the unit.
> 
> 
> 2) The ground in your wall actually isn't connected- you have to check this
> with a unit that plugs into your wall outlet.
> They usually have 3 lights to indicate any miswire / condition - typically
> available at hardware stores / home improvement centers.
> If this is the case you now have a "floating ground" - no true ground at
> all.
> Many homes may have this on a couple of outlets, and people may not even be
> aware of it....
> 
> 3) Ground reference issues- use a "ground loop isolator" which plugs into
> the line level inputs / outputs.
> These remove hum, etc.
> 
> -T
> 
> 
> On Wed, Mar 27, 2013 at 11:53 AM, Martin <martinantill@...> wrote:
> 
> > **
> >
> >
> > Thanks for your swift reply Ted! I will check that over i think you right
> > about the power lead aka kettle lead as found on a water kettle.
> > While playback the hiss occasionally gets louder or dissapears. ive
> > checked leads etc and made sure there not crossing other power leads.
> > If it were a ground difference or my machine needs to grounded how would i
> > go about doing this? Isnt a plug grounded allready? sorry for confusion.
> > Thanks
> >
> >
> > --- In emax@yahoogroups.com, Ted Summers <djtbs1@> wrote:
> > >
> > > reseat all the IC's on the audio board that are socketed.
> > > you may have a bad connection to a chip.
> > > you may also have a floating ground or voltage on the ground from a bad
> > > wire / cable that you are using to sample in, or also a ground difference
> > > level between your input device and the emax.
> > >
> > > As stated before SE disk does not update anything else or make any other
> > > changes.
> > > the SE update disk only updates bits in an EEPROM IC that holds
> > calibration
> > > parameters and the like.
> > > Not the system firmware EPROM.
> > > - the Emax has no circuit / capability to update the main system firmware
> > > EPROM, unlike newer video cards and pc motherboards that have that kind
> > of
> > > capability (flash update).
> > >
> > > But again I don't think that the SE update is your issue.
> > >
> > >
> > > I don't know what is meant by "kettle lead" ???....
> > >
> > > If it plays fine with a previously sampled sound, it doesn't make any
> > sense
> > > to blame the power supply.
> > > If the power supply were injecting something into the circuit, I would
> > > expect you would hear it at other times, not just sampling but also
> > > playback.
> > > as to some harsh sound when you power up, you may have a bad solder
> > causing
> > > an arc on the power supply, it's connector, or power switch COULD be
> > going
> > > bad.
> > >
> > > There is no way to know it without seeing the unit.
> > >
> > > If you don't know electronics, you should have someone with electronics
> > > repair knowledge look at it (Jammie is in the UK as I see you are also,
> > per
> > > your email address)
> > >
> > > Suggest you contact him and have him take a look.
> > >
> > > Regards,
> > > Ted Summers
> > > Emax Yahoo! Users Group Co-Moderator
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > On Wed, Mar 27, 2013 at 9:34 AM, Martin <martinantill@> wrote:
> > >
> > > > **
> >
> > > >
> > > >
> > > > Hi All can someone help me as my emax 1 rack is petty useless to me as
> > is.
> > > > someone previously posted this on my behalf and i still have the same
> > > > problem after calibration using the diagnostics sheet.
> > > > I cant seem to record or play samples without a high freq white
> > > > noise/static/hiss sound on top of the samples!? other than the SE disk
> > with
> > > > sounds already on and any other factory disks(they play without noise
> > and
> > > > the machine works perfect.)
> > > > It hasnt allways done this i used to be able to record without this
> > noise
> > > > on top and all of a sudden it started acting up.Iv tried pretty much
> > > > everything calibrating,new os 1.1 3.2 and SE 1.1 on new disks made with
> > > > EXMP,Checked filters, sample rate adrs etc.Copied the working SE disk
> > to a
> > > > formatted disk and then deleted the sounds then recording into it but
> > still
> > > > the bad sound!.
> > > > I may have changed the kettle lead whilst moving could this be the
> > > > ploblem? Is there a specific spec for the emax power lead? or Is there
> > a
> > > > setting/effect in the machine that could be the cause of this
> > hiss/static?
> > > > Note with the lp filter i can filter out the white noise. the previous
> > > > owner told me the machine is not faulty if you can filter out the
> > noise you
> > > > may have corrupted the disk/samples?.
> > > >
> > > > Theres allways a harsh ripping noise or click when i turn the machine
> > > > on.Im thinking there may be something wrong with the power supply or
> > lead?.
> > > > Or Could it be ive used a disk that has corrupted the machine/os?? or
> > > > upgraded to the se twice and corrupted the machine?.
> > > > Once you have upgraded to SE can you use only disks with SE 1.1 on
> > them?
> > > > or can you use other disks as long as there a EMAX os? ie 1.1 3.2 etc.
> > > > would formatting the machine back to original settngs then i can
> > > > re-upgrade to the se using a fresh disk help? Sorry for all the
> > questions
> > > > just trying to sort this problem out so i can use the emax to
> > sample/record.
> > > > Any suggestion would be very helpful!
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >  
> >
> 
> 
> [Non-text portions of this message have been removed]
>