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Re: Rane link - a warning

Subject: Re: Rane link - a warning
From: "Max" oatcruncher
Date: Thu May 9, 2013 3:26 am ((PDT))
Hi Anders and all,
I decided to contact Rane about my problem with their Note 110. I copy the =
relevant part of the reply I received below.

Regarding RaneNote 110, realize that this connectivity is a last ditch meas=
ure for interfacing unbalanced to balanced when transformers are not an opt=
ion. For microphone interconnections, the methods listed seldom apply.

First and foremost is the issue of sending phantom power to microphone: all=
 three wires must be in place for this scheme to energize the mic.
Second, lifting shields on microphone cables typically adds hum and noise, =
instead of reducing the symptom.
Lastly, when stereo plugs are utilized, these equate two unbalanced connect=
ions on a single plug, therefor correct interpretation becomes necessary.

Max

--- In  "Max" <> wrote:
>
> Just realised I should have put the Rane link in the below message. Here =
it is:
> http://www.rane.com/note110.html
>
> --- In  "Max" <maxcatterwell@> wrote:
> >
> > For some reason I can't retrieve messages this morning to reply, so thi=
s is an extra relating to the Rane link that Anders posted for me.
> > While making up my new Y split cable for the AT-8022, I followed what a=
ppeared to me to be correct for, I'm guessing, not only this Y cable, but a=
ny cable from mic to recorder. I can only think that in my present mental s=
tate I missed something obvious. I followed figure 4 which appeared to indi=
cate I needed to use #1. What this indicates is ground connected to pin 1 o=
n the mic side, but left unconnected on the recorder end. As a precaution, =
when I did the wiring, I didn't cut off the ground sheath but insulated it =
and left intact. It's a good job I did, because on connecting the mic to my=
 HD-P2 there was no signal at all! I quickly realised that the missing reco=
rder side ground might be the problem, so soldered them in. Bingo! It now w=
orked perfectly. I hope somebody will show me where I went wrong with the R=
ane table.
> > As an extra here, I'll say a few words about my VERY brief experience w=
ith this AT-8022. I did very rough and ready tests using the battery with m=
y LS-10, and then phantom power with my HD-P2, in the same room concurrentl=
y. On normalising both recordings to a similar level, and then changing to =
spectogram view, it looked pretty clear that the HD-P2 recording was much c=
leaner; the background black indicated this. Although the HD-P2 has slightl=
y less self noise than the LS-10, I don't think this was the sole reason, p=
erhaps not relevant at all. I suspect that phantom power v battery is the r=
eason. Any comments very welcome, and I'm very aware that my tests were by =
no means scientific! Either way, unless further testing proves otherwise, I=
'll be using this whenever possible, with the HD-P2. It's hardly worth  men=
tioning, but the HD-P2 recording also sounded better.
> > Cheers
> > Max
> >
>








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