MOTU 828mk3 dynamic range?

cavalex · Post by **cavalex** » Wed Jun 25, 2008 5:51 am

Hello there,

Two weeks ago, I already bought the 828mk3 but anyway: does anybody know what is the dynamic range of 828mk3?

I don't know why they don't publish this information - not even in the documents arriving with the device.

Thanks for any info,
Cavalex

calaveras · Post by **calaveras** » Sun Jul 06, 2008 9:48 pm

last couple times I checked there werent any specs for the 828MKII either.

CSprague · Post by **CSprague** » Mon Jul 07, 2008 1:48 pm

Don't know the dynamic range specs, but I get full range sound using my S90es synth keyboard. How high or low do you need to go?

cavalex · Post by **cavalex** » Tue Jul 08, 2008 12:35 pm

Oh ... maybe I wasn't clear enough

, I just wanted to know how many db can the device handle - for example, as it is clearly stated in the specifications section of the HD 192:

# A-weighted dynamic range 120dB
# THD+N of 0.00056% (-106dB)

I just can not understand why they don't publish this information for 828mk3 or 896mk3.
Anyone have any idea?

Regards!

CSprague · Post by **CSprague** » Tue Jul 08, 2008 2:04 pm

Ok what's a dB, What are the saturation, threshold points of the range given. I've look throughout the manual an can not see any electrical specs. Maybe they are to poor to publish, or to subjective based on the number and type of I/Os it can handle.

calaveras · Post by **calaveras** » Tue Jul 08, 2008 8:41 pm

are those the actual specs of the HD 192? How can the dynamic range be bigger than the THD+N?
I was under the impression that dynamic range is the same as the difference bewtween your noise floor and your peak operating level without distortion.
If your thd+n is -106db than that would also be your dynamic range. Unless you are magically able to get past 0dbfs?

About the 828MKIII specs. My 828MKII, with all inputs unpatched, set to their lowest gain setting (+4) generally gets about 94db s 2 n. After the BLA mod its at about 96db. It also sounds better. But my left mic channel is few DB noisier than the right mic channel.

cavalex · Post by **cavalex** » Wed Jul 09, 2008 12:24 am

Some years ago, I read a German magazine "Testbericht" review on HD192 and they said that all specs of HD192 are real. They were very serious about the test (it was done at some technical University) and also put their diagrams and results in the review. They said that in some fields, HD192 even exceeded the specs. I think I still have the pdf of this review somewhere on my computer - if someone wants to read it (in german).

regards

acidrecords · Post by **acidrecords** » Wed Jul 09, 2008 2:02 pm

@ all

you can find it out with:
http://audio.rightmark.org/index_new.shtml

it`s freeware and used by many magazines too