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  #1  
Old 03-13-2011, 08:11 PM
surroundnoob surroundnoob is offline
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Default CPTK surround interfaces?

Wondering what people are using for surround interfaces with PT9 CPTK.

002, 003, RME UFX? ENSEMBLE?

Are you able to calibrate the analogue outputs to -20dbfs = 0VU or -18dbfs = 0VU?

My Mboxpro is uncalibratable as far as I can tell.

Digisupport please chime in if you have an info regarding Mboxpro calibration.

I mean I would call Avid and ask but apparently I can't talk to them without spending $35?!? Not that I just spent over $2000 on Avid stuff or anything..

Oh and yes I used my one free call to get my DV toolkit license back after you deleted it from my account.
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Old 03-14-2011, 12:50 AM
Tragic Dog Tragic Dog is offline
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Default Re: CPTK surround interfaces?

I use a Motu Traveler V1 with a Blue Sky Media Desk 5.1 speaker system. I have the entire set up tuned to -20dbfs = 0vu and 85dbA (according to my cheesy radio shack spl meter). I use it for student TV stuff as well as Student Film mixes, 3 of which are playing in Newport Beach Film Festival this year (tooting my own horn, really stoked on that). Done 4 films and 2 TV series (all student productions) on this set up and so far no issues.

Hope this helped.
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  #3  
Old 03-14-2011, 06:25 AM
surroundnoob surroundnoob is offline
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Default Re: CPTK surround interfaces?

Hi Jon,

So are you able to get your line outputs on the Motu to equal 0VU when playing a -20dbfs sine wave or are you just calibrating with an SPL meter. Or both?
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Old 03-14-2011, 01:41 PM
cananball cananball is offline
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Default Re: CPTK surround interfaces?

I use an 003 which is not calibratable and set to -14=0dbu. When I calibrate I my monitors I run -20dbfs pink noise and adjust trim on each individual monitor. Is there a difference in being able to calibrate the interface outputs too? I don't see how that makes a difference. Please explain if it does. Thanks.
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Pro Tools 10.3.9 HDN | HD Omni | Digi Command 8 | Artist Transport | Digi Surround Panner | Blackmagic Intensity Pro | JBL LSR4328 5.1
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  #5  
Old 03-14-2011, 02:43 PM
surroundnoob surroundnoob is offline
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Default Re: CPTK surround interfaces?

As I understand it. You are making up the lost output gain at your speaker amp. In an ideal situation. Your interface would be at +4 with a max of +24dbu(20db of headroom).

Yes you can calibrate this way. Is it ideal from a electronics POW.. no.
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Old 03-14-2011, 05:10 PM
Tragic Dog Tragic Dog is offline
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Default Re: CPTK surround interfaces?

Quote:
Originally Posted by surroundnoob View Post
Hi Jon,

So are you able to get your line outputs on the Motu to equal 0VU when playing a -20dbfs sine wave or are you just calibrating with an SPL meter. Or both?
both, start with a -20 sine wave, set my meters, then use the individual channel adjustments on the blue sky to give me 85dbA
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Jon Lillie
Behind the Light Productions
PT 10-CPTK-Motu Traveler v1
Mac Pro 2x2.8GHz Quad-Core, 14gigs of ram
Macbook Pro w/Retina Display, 2.3Ghz i7, 16gigs of ram
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