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Emu XL-7 & MP-7 User's Group

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Message

Re: XL-7 analog output reference ?

2006-11-01 by robotchas

Yeah, doing it for all your presets would certainly suck! It can come
in handy if you need a specific patch to be a little hotter, and I've
gotten in the habit of making my patches as hot as I can without
clipping, so that I can turn down the volume as needed. 

You're right that -8 isn't too bad - I do picture editing and we keep
everything under -6dB.

--- In xl7@yahoogroups.com, Zsolt Szabó <Zsolt.Szabo@...> wrote:
>
> Hello,
> 
> yes, I know I can gain each layer it just would be very frustrating
> to do it for 512 presets. I'm full :))))
> 
> Anyway, -8 dB is not so worse, and as Aaron suggested I will
> use gaining outside the box when needed through the FF 800,
> probably only in the recording stage.
> 
> 
> Regards,
> 
>     Zsolt
> 
> 
> ----- Original Message ----- 
> From: "robotchas" <robotchas@...>
> To: <xl7@yahoogroups.com>
> Sent: Monday, October 30, 2006 8:42 PM
> Subject: [xl7] Re: XL-7 analog output reference ?
> 
> 
> You probably already know about this, but don't forget that you have
> up to 10dB of gain available in each preset layer as well (if it's not
> already maxed).
> 
> Useful info about the digital volume control...
> 
> 
> --- In xl7@...m, Zsolt Szabó <Zsolt.Szabo@> wrote:
> >
> > Hi Aaron,
> >
> > thanks for the info.
> > Till now I used the XL-7 only on gainable inputs of the Fireface, so I
> > didn't mind this.
> > Unfortunately the SPDIF of the RME is occupied by the Lexicon MPX-1
> which is
> > an older release and has only 18 Bit/20bit analog converters so I
> definitely
> > need
> > this on the SPDIF where 24 bits is available and I would rather avoid
> > conversions
> > here to make the effects as transparent as they may be.
> >
> > I didn't recognize till now that the volume knob is acting in the
> digital
> > domain till now.
> > Thanks for the clarification.
> > Anyway the problem is manageable, it is just I had to be sure
> there's no
> > error in the
> > setup.
> >
> > Regards,
> >
> >     Zsolt
> >
> >
> >
> > ----- Original Message ----- 
> > From: "Aaron Eppolito" <synthesis77@>
> > To: <xl7@yahoogroups.com>
> > Sent: Sunday, October 29, 2006 4:41 AM
> > Subject: Re: [xl7] XL-7 analog output reference ?
> >
> >
> > Well, first off, I'd recommend using the S/PDIF out of the XL-7 into
> the
> > S/PDIF in of the RME.  You will also get a low level that way, but
> > normalized, it will be the best possible sound.  If you do have to
> use the
> > analog outs, you can still normalize, but you be bringing up the
> noise as
> > well.  The XL-7 has realtively quiet outputs not because the
> converters are
> > bad, it's rather that there's a lot of headroom.  With 128 voices
> and some
> > very peaky filters, it's pretty easy to get loud signals, and the
> XL-7 was
> > designed not to clip.  The E4 Ultra series samplers used to have a
> headroom
> > control to compensate for this, but unfortunately, the XL-7 series
> does not.
> >
> > Note also that -8dB is not a bad level - that's still rather useable.
> >
> > -Aaron
> >
> > PS. Never, ever record the XL-7 with the volume knob anywhere other
> than
> > full.  It is a digital volume control, meaning that as you turn it
> down,
> > you're loosing bits.  The volume knob is only for convenience.  You
> should
> > really do any volume reduction outside the box.
> >
> > ----- Original Message ----
> > From: Zsolt Szabó <Zsolt.Szabo@>
> > To: xl7@yahoogroups.com
> > Sent: Friday, October 27, 2006 2:38:01 PM
> > Subject: [xl7] XL-7 analog output reference ?
> >
> > Hello,
> >
> > I have a problem with my setup.
> >
> > I use RME Fireface 800 as audio interface with the XL-7.
> > So far the XL-7 was connected to the input 7+8 on the front
> > where gain is available for input signals. Gain was set to
> > low/normal and the XL-7 was easily overloading the converters
> > with Master Volume pot set at 3 o'clock. I was happy, everything
> > worked fine.
> >
> > Now I changed the connections so the XL-7 is connected to line
> > level inputs (7+8) on the back of Fireface because the front
connectors
> > are used for microphones.
> > Input reference level was/is set to -10 dBV on the Fireface.
> >
> > Problem is that now my XL-7 with everything maxed out, full velocity,
> > full volume, max. master level, with all the 16 tracks playing can't
> > dirve enough the Fireface line level inputs. I can achieve a maximum
> > of -10 - 8 dB peak now.
> >
> >
> > In the XL-7 manual the Technical Specifications appendix specifies:
> >
> > Max. Output Level: +4 dB
> > Output Impedance: 1000 Ohms
> >
> > I would be curious about the max. output level reference.
> > There should be an "u" afeter the dB, not ?
> >
> > Aaron, any thoughts on this ? My other synths easily achieve
> > clipping if i want to....
> >
> > Thanks,
> >
> >     Zsolt
> >
> >
> >
> > p.s. Here is my mail to and the answer from RME technical support:
> > -------------------------------->
> >
> > Zsolt Szabo schrieb:
> >
> > > in the XL-7 manual the following technical info is published:
> > >
> > > Max. Output Level: +4 dB
> > > Output Impedance: 1000 Ohms
> > >
> > > How are these numbers affecting my setup ?
> >
> > Well, the better question is: what does this number tell us? If
this is
> > the correct original information than the answer is: nothing. There
> > needs to be a reference mentioned. Like with the rear input of the
> > Fireface. Setting it to -10 means 0 dBFS (full scale digital) is
reached
> > at an analog input level of +4 dBu. Note the little u.
> >
> > The impedance is no problem.
> >
> > Regards
> > Matthias Carstens
> > RME
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> 
> 
> 
> 
> 
> 
> Yahoo! Groups Links
>

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