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Author Topic: Sound Devices MixPre-3 and 6, Part 7  (Read 34118 times)

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Offline JiB97

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #225 on: November 04, 2021, 02:30:56 AM »
I would spend a little more and get the Mixpre-6ii (or 3) that records in 32 bit. I never watch levels anymore (besides out of habit).

a very nice taper was attempting to explain the benefits of 32-bit recording during the Halloween show, and basically I believe I walked away with that I can run my levels a little lower and not worry about the effect on overall quality when applying gain in post for ultimately dithering to 24 or 16 bit, do i have that mostly right?
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Offline Gordon

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #226 on: November 04, 2021, 08:34:29 AM »
yes or you could clip like crazy and it'll sound fine after you lower the gain in your daw software.
Microtech Gefell M20 or M21 > Nbob actives > Naiant PFA > Sound Devices MixPre-6 II

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Offline JiB97

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #227 on: November 04, 2021, 12:29:53 PM »
yes or you could clip like crazy and it'll sound fine after you lower the gain in your daw software.

Huh? How is that even possible?

This is very interesting…
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Offline Gordon

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #228 on: November 04, 2021, 12:42:51 PM »
yes or you could clip like crazy and it'll sound fine after you lower the gain in your daw software.

Huh? How is that even possible?

This is very interesting…

It's real!  Check this out and download the samples.  I was sold after editing the first sample myself!  +27db to just below zero and it sounds perfect.

https://www.sounddevices.com/noise-in-32-bit-float/

Microtech Gefell M20 or M21 > Nbob actives > Naiant PFA > Sound Devices MixPre-6 II

https://archive.org/details/fav-gordonlw

Offline JiB97

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #229 on: November 04, 2021, 12:55:46 PM »
yes or you could clip like crazy and it'll sound fine after you lower the gain in your daw software.

Huh? How is that even possible?

This is very interesting…

It's real!  Check this out and download the samples.  I was sold after editing the first sample myself!  +27db to just below zero and it sounds perfect.

https://www.sounddevices.com/noise-in-32-bit-float/

Thanks for that link!! They even included pictures so dumbos like me could understand!!

 That really is an awesome feature. I’m assuming the file sizes though are a lot larger? And I would probably need to figure out a new editing program since I am not sure if Audacity supports this futuristic 32-bit space magic.
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Offline Gordon

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #230 on: November 04, 2021, 01:00:08 PM »
I record at 32/48 and dither to 24/48.  32bit file size is a few hundred mb bigger as I recall.  I don't use audacity but pretty sure it supports 32b.
Microtech Gefell M20 or M21 > Nbob actives > Naiant PFA > Sound Devices MixPre-6 II

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Offline rigpimp

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #231 on: November 04, 2021, 01:40:41 PM »

It's real!  Check this out and download the samples.  I was sold after editing the first sample myself!  +27db to just below zero and it sounds perfect.

https://www.sounddevices.com/noise-in-32-bit-float/

Holy crap, this is incredible.
Mics: Schoeps MK5 G MP, Schoeps CCM 4 Lg MP, Schoeps MK8 MP, nBob cables > PFA, KCY 250/5 > PFA
Pre/A>D/P48: Sonosax SX/M2-LS, E.A.A. PSP-2, Naiant Tinybox, Neumann BS48i-2 (for sale)
Recorders: Sound Devices Mixpre-6, Sony PCM-M10
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Offline adrianf74

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #232 on: November 04, 2021, 10:11:51 PM »
That's the whole reason I jumped on a MixPre-6 II. Not having to worry about levels is a godsend.  Ideally, you want to set them close but if something should happen where levels spike and clip or are too low, it can be fixed. Helpful when you have frequent board access.
Mics: AKG ck63 > nBob Actives, Line Audio CM3, Church Audio CA-14 | Decks: Sony PCM-A10, Sound Devices MixPre-6 II |Power: Baby nBox, (Rechargeable USB Battery TBD), Church Audio Ugly Battery Box

Offline rigpimp

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #233 on: November 05, 2021, 06:18:42 PM »
Seriously considering selling my MP6 V1.  If anyone here is interested before me posting it up in the Yard Sale feel free to PM.
Mics: Schoeps MK5 G MP, Schoeps CCM 4 Lg MP, Schoeps MK8 MP, nBob cables > PFA, KCY 250/5 > PFA
Pre/A>D/P48: Sonosax SX/M2-LS, E.A.A. PSP-2, Naiant Tinybox, Neumann BS48i-2 (for sale)
Recorders: Sound Devices Mixpre-6, Sony PCM-M10
Playback: Jolida 1501 Hybrid > McIntosh MX 130 > Von Schweikert VR-4 JR
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Offline willndmb

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #234 on: November 07, 2021, 10:27:42 AM »
I am sure it’s in the threads somewhere butttt confused on the 3 vs 6 track/channel numbering.

The 3 says it is 5 and the 6 says it is 8…
3 has 3 xlr and aux/mic in = 5
6 has 4 xlr and aux/mic in = 6, where is the extra 2??

Does the 3 not do a “mix” and the 6 does?

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Offline Gordon

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #235 on: November 07, 2021, 10:30:56 AM »
extra 2 are the l/r on the fly mix.  I disable it....
Microtech Gefell M20 or M21 > Nbob actives > Naiant PFA > Sound Devices MixPre-6 II

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Offline justme

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #236 on: November 07, 2021, 10:37:00 AM »
The “3” does three isolated tracks plus a two channel stereo down mix.
The “6” does six isolated tracks plus a two channel stereo down mix.

The “3” can do five channel input and two channel out over usb.
Where the “6” can manage eight in and four out.
« Last Edit: November 07, 2021, 10:40:26 AM by justme »

Online aaronji

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #237 on: November 08, 2021, 12:55:02 PM »
A new firmware release is up on the Sound Devices website (v7.15).

Offline carpa

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #238 on: November 20, 2021, 03:34:00 AM »
The “3” does three isolated tracks plus a two channel stereo down mix.
The “6” does six isolated tracks plus a two channel stereo down mix.

The “3” can do five channel input and two channel out over usb.
Where the “6” can manage eight in and four out.

I'm also interested in understanding this thing. I.e. mixpre 6 has 4 xlr inputs + a stereo 3,5 for an additional stereo microphone. But, the device has only 4 preamp, so this are the questions:
1) Must the 3,5 input  be intended as a pure line-input, with no preamp stage, no gain etc? In that case I guess you could just plug a line signal - i.e. a line out signal from an external preamp or mixer and provide the needed gain before.  In case this is correct, I guess that mixpre 3 could allow to record simultaneously with 5 mics and mixpre 6 with five mics ( providing the extra two mics with their own powering and gain)
2) Does the 3.5 input provide gain? In the specs the Aux-in is described as having a line or mic mode with the indication of 30 db of gain. That would mean there is another dedicated preamp stage in addition to the 3 or 4 Kashmir preamps, which I don't think is advertised, though 

So the main question is how many microphones can be actually used at the same time with these devices?
Thanks all


Online aaronji

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #239 on: November 20, 2021, 08:17:29 AM »
^ The MixPre-6 has four Kashmir (class A discrete) pre-amps on the XLR mic/line inputs, plus a chip-based pre on the 1/8" stereo input. A total of 6 ISOs. The MixPre-3 can NOT record five channels of ISOs, only three.

 

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