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Hi guys,

I'm wondering if anything is different with a DAW and long runs to mics in another room where the piano is. I need to run about 40 or more feet to Royer R-122 v's, all into my FF800 and soon to be Sequoia 11.

Any suggestions on how to get the best signal into my DAW would be so helpful.

(y)

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dvdhawk Wed, 09/23/2009 - 23:49

With reasonably good 40' cables you shouldn't have any noticeable loss.

The Royer has about 200-ohms output impedance.
Canare StarQuad has nominal capacitance of 150pf/m
40 ft. is a little over 12 meters

Plug those numbers in here and see the interaction between capacitance / cable length / and source impedance. You get a feel for where the high frequencies in particular start rolling off.

http://www.sengpielaudio.com/calculator-cable.htm

Informative calculator without all that pesky math.

SOURCES

http://www.royerlabs.com/mics/R-122V.html

http://www.canare.com/ProductItemDisplay.aspx?productItemID=54

BobRogers Thu, 09/24/2009 - 06:00

When I had to record the piano upstairs I just used my 100' Horizon live snake. This isn't the world's greatest cable by reputation, but it's in good shape, all connectors nice and clean, etc. I have been thinking of getting a snake made up with higher quality cables, but I really couldn't hear and significant noise or detect and high frequency rolloff. And of course the live snake has sends for headphones already built in. I figure a better snake is way down the list of studio improvements for me.

Another point - All the guys over in the acoustic forum are always flying a few miles of cable for classical performances. If you have good quality cable 40' is nothing.

Link555 Thu, 09/24/2009 - 08:45

Not sure I am on the same wavelength....Are you asking about running a single mic cable with L and R mono feed vs running 2 mic cables with one for L and one for r?

With two twisted pair mic cables (differential runs), you have the added advantage of noise rejection. I would not do it in one cable, thats like running a 100' Guitar cord, it is likely to pick up noise.

audiokid Thu, 09/24/2009 - 09:02

Link555 wrote: Not sure I am on the same wavelength....Are you asking about running a single mic cable with L and R mono feed vs running 2 mic cables with one for L and one for r?

Yes, two single 80' mono cables (Canare) directly to the mics. Or, what has the best results, two single cables directly to the mics or a 80' stereo cable to the room ( mini snake) I guess, then use a couple of 8' to the mics?

Sorry for not being clear, I'm thinking as I type.

audiokid Thu, 09/24/2009 - 09:10

dvdhawk wrote: With reasonably good 40' cables you shouldn't have any noticeable loss.

The [[url=http://[/URL]="http://www.royerlab…"]Royer[/]="http://www.royerlab…"]Royer[/] has about 200-ohms output impedance.
Canare StarQuad has nominal capacitance of 150pf/m
40 ft. is a little over 12 meters

http://www.canare.com/ProductItemDisplay.aspx?productItemID=54

dvdhawk,

Thanks for the links. I may want to use the cables for other recital locations. Any suggestions?

Cucco Thu, 09/24/2009 - 22:08

FWIW, I run my Royer SF12 and my AEA R88 through my 100' snake all the time attached with as much as 50-75 feet of cable between the snake and mic (175' or so total at max) and have never had a problem with signal loss or degradation.

If you'd like, I can find out about the cost of shipping to BC. For regular postal service, it shouldn't be much...

J.

Cucco Thu, 09/24/2009 - 22:10

audiokid wrote: Second question,

For stereo, is it better to run 2 separate runs all the way or do I have an option for a stereo cable, then split it once I'm in that room?

Also in the FWIW category...
I make a lot of 2 channel snakes. Mogami has a great 2 channel snake cable with its biggest weakness being the robustness. (I've used mine in the field for a few years with no needs for repairs).

Canare makes an awesome 2 channel snake but it's bulky as hell. It's sturdy enough that, if I were falling off a cliff, I'd be happy to hang on to the Canare snake for at least an hour or two...

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