Cross-Spectrum Microphone Calibration Service - USA - Page 30 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #291 of 368 Old 06-14-13, 04:41 PM
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Anechoic
 
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Location: Springfield, MA
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Re: Cross-Spectrum Microphone Calibration Service - USA

Quote:
Dwight Angus wrote: View Post
Anechoic
Can you tell me when you will restock the UMIK-1? I tried to order it and you website indicated it is sold out.
Cheers
It might be a while unfortunately, my schedule is insane right now (and flight cancellations aren't helping... greetings from Atlanta!). At least a couple of weeks.
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post #292 of 368 Old 07-01-13, 08:30 AM
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Re: Cross-Spectrum Microphone Calibration Service - USA

I cannot find ECM8000 microphone calibrated on the web store any more.
is it discontinued?
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post #293 of 368 Old 07-01-13, 08:41 AM
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Re: Cross-Spectrum Microphone Calibration Service - USA

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mc_lover wrote: View Post
I cannot find ECM8000 microphone calibrated on the web store any more.
is it discontinued?
CSL is no longer selling ECM8000 microphones.
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post #294 of 368 Old 07-01-13, 07:37 PM
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Re: Cross-Spectrum Microphone Calibration Service - USA

Any update on when the MiniDSP UMIK-1 will be available for ordering?
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post #295 of 368 Old 07-02-13, 08:21 AM
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Location: Barrie Ontario Canada
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Re: Cross-Spectrum Microphone Calibration Service - USA

I ordered the UMIK-1 can you tell me the approximate shipping date?

Mains- Goldenear Triton One's
Center Channel- Goldenear Super Centre XL
Surrounds- Goldenear SuperSat 50's
Back Surrounds- Goldenear SuperSat 50c's
Atmos -Goldenear HTR 7000's
Amps- Bryston 4Bsst2/Emotiva XPA-5/Marantz M7025
Processor-Marantz AV7703 Preamp
Projector- Sony VPL-HW55ES
Screen- Elunevision 140 inch 4K Audio Weave
Bluray/Universal player-OPPO 105D
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post #296 of 368 Old 07-02-13, 05:05 PM
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Dwight
 
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Re: Cross-Spectrum Microphone Calibration Service - USA

Regarding my CSL UMIK-1 order . I received the USPS shipping notice today so its on its way.

Mains- Goldenear Triton One's
Center Channel- Goldenear Super Centre XL
Surrounds- Goldenear SuperSat 50's
Back Surrounds- Goldenear SuperSat 50c's
Atmos -Goldenear HTR 7000's
Amps- Bryston 4Bsst2/Emotiva XPA-5/Marantz M7025
Processor-Marantz AV7703 Preamp
Projector- Sony VPL-HW55ES
Screen- Elunevision 140 inch 4K Audio Weave
Bluray/Universal player-OPPO 105D
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post #297 of 368 Old 07-02-13, 06:13 PM
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Re: Cross-Spectrum Microphone Calibration Service - USA

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wsxcde wrote: View Post
Any update on when the MiniDSP UMIK-1 will be available for ordering?
I was able to pre-order the UMIK-1 in the Cross Spectrum web site just now.

Last edited by wsxcde; 07-03-13 at 09:18 AM.
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post #298 of 368 Old 07-07-13, 06:08 PM
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Re: Cross-Spectrum Microphone Calibration Service - USA

Just placed an order for the UMIK-1 yesterday - hoping they have them back in stock and I won't end up waiting too long. I'm running out of time until I start a new job and won't have time to "play" with this stuff anymore
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post #299 of 368 Old 07-11-13, 05:41 PM
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Etienne Dechamps
 
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Location: London, United Kingdom
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Re: Cross-Spectrum Microphone Calibration Service - USA

Phillips suggested I post this here, so here I go:

The following message was originally posted on the MiniDSP forums, but unfortunately I received no response in 4 days, so I'm posting it here hoping that someone can help me:

I'm definitely interested in buying one of those UMIK-1 microphones, but I've read a lot of concerns about their elevated noise floor (~50dB dBA, whereas other microphones in the same price range can do ~30dBA). To be fair this matches the specifications, which indicate max SPL at 133dB SPL and a noise floor at -74dBFS, which translates to an absolute noise floor of 59dB SPL. Nevertheless, I would appreciate being able to use the UMIK-1 to do THD measurements which require a clean, low noise floor.

I have the following questions:
  • Last time I checked, there was an issue with the noise floor being dominated by a nasty spike at 1kHz followed by its harmonics. Apparently this was an issue with an early batch and should be fixed now. Could someone confirm this?
  • What are the numbers regarding the noise floor for the recent revisions of the UMIK-1? I would greatly appreciate if people who ordered one recently could post a screenshot of what an RTA looks like in a very quiet room.
  • Is the UMIK-1 well-isolated with regard to USB power noise or should I be careful what I plug this thing into?
  • Does increasing the recording volume (i.e. in Windows) have any effect on the absolute (i.e. in dB SPL) noise floor? At first glance I would guess that the volume control is digital so it wouldn't have any effect, but I would sure like a confirmation.
  • It appears that you can open the UMIK-1 and change the sensitivity using DIP switches. Depending on where the noise is coming from, increasing the sensitivity might, in theory, lower the absolute noise floor in the same proportion. I don't require low sensitivity (I would be fine with just 110dB max SPL), so that wouldn't be a problem.
    • Has anyone tried this? Does this tweak have any effect on the absolute (i.e. in dB SPL) noise floor?
    • Is it safe to do this with regard to altering the microphone - i.e. is there a risk of causing damage, screwing up the calibration, etc.?

Thanks in advance for your answers!
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post #300 of 368 Old 07-13-13, 11:44 PM
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Ryan
 
Join Date: May 2013
Location: Lower mid Michigan
Posts: 197
Re: Cross-Spectrum Microphone Calibration Service - USA

I got my calibrated UMM-6 from CSL earlier this week. Thanks Anechoic!
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