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Author Topic: Sound Devices MixPre-3 and 6, Part 3  (Read 22667 times)

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Offline fobstl

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #45 on: June 20, 2017, 01:24:14 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?
For stealth, if it were me, I would run KCY NBobs > PFA > Sort right angle Stubby XLR interconnects > the deck. That way you are solidly locked in XLR all the way. And you don't have to mess with the IPA. I have some 6" right angle stubby XLR interconnects that Ted made that I love. Keeps the XLRs going into the deck flush and not sticking out for stealth situations. Little if any extra bulk this way since you are eliminating the IPA and potentially an in line attenuator if that 1/8 input is indeed prone to brickwalling.

Offline edtyre

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #46 on: June 20, 2017, 01:40:46 PM »
For stealth, if it were me, I would run KCY NBobs > PFA > Sort right angle Stubby XLR interconnects > the deck.

That's exactly how i run mine, keep the pfa's in a separate compartment in my pack, keeps it smaller lengthwise.
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Offline dallman

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #47 on: June 20, 2017, 03:20:10 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?
MM,
Maybe I am misunderstanding this comment ^, but unless there are 2 other sets of mics in the mix, to run the mics into 5/6 (1/8 trs) is to not use the kashmir preamps which are only on inputs 1,2,3 and 4, which of course is the big reason for using the mixpre 3 or 6 to begin with. 
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Offline MakersMarc

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #48 on: June 20, 2017, 04:06:27 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?
MM,
Maybe I am misunderstanding this comment ^, but unless there are 2 other sets of mics in the mix, to run the mics into 5/6 (1/8 trs) is to not use the kashmir preamps which are only on inputs 1,2,3 and 4, which of course is the big reason for using the mixpre 3 or 6 to begin with.

You're right, I'd want to run the IPA just to power the mics and run mic in. Can't do that with the nbox I don't think.
Mk4v/41v>Nbob kcy x2>nbox platinum/Naiant PFA/Naiant IPA>Oade warm mod Marantz 661 x2/Sony pcm m10x3

Offline johnw

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #49 on: June 20, 2017, 05:20:43 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?
MM,
Maybe I am misunderstanding this comment ^, but unless there are 2 other sets of mics in the mix, to run the mics into 5/6 (1/8 trs) is to not use the kashmir preamps which are only on inputs 1,2,3 and 4, which of course is the big reason for using the mixpre 3 or 6 to begin with.

You're right, I'd want to run the IPA just to power the mics and run mic in. Can't do that with the nbox I don't think.

Do you have RCA to XLR cables? If so just run RCA out of the Nbox into the XLR on the MP6 channels 1-4. Just turn phantom off. Works fine for me
Schoeps MK41 & MK4V  |  Schoeps CMC6, Schoeps KCY, AKI/2C, PFA, Nbox Cable/PFA  |  Grace V2, Nbox Platinum  |  SD744T, SD MixPre 6, Sony PCM M10

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Offline hi and lo

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #50 on: June 20, 2017, 06:30:21 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?

Correct. Running an nbox with fixed +20dB gain into the 5/6 aux input is a recipe for disaster. You will need to run into the XLR/TRS combo inputs and be absolutely sure not to engage phantom power on the recorder. Unless design changes have been made, the Nbox output is not DC protected.
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Mics: Schoeps MK21 / MK22 / MK4 / MK4V / MK41V / MK41 / MK5; Neumann SKM140; AKG 480/CK61; MBHO 603/KA200N / DPA 4061 / Dynamic Audio Binaurals
Pres & A/Ds: E.A.A. PSP-2 (2x) / Aeta PSP-3 / Sonosax SX-M2 (2x) / Grace V3 / Naiant Tinybox v2.x (Reutelhuber) / Nbox+ / AD2k+ / SBM-1 (2x)
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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #51 on: June 20, 2017, 08:19:10 PM »
Thanks all.
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Offline willndmb

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #52 on: June 20, 2017, 08:55:12 PM »
Does anyone know why, or think what the answer is as to why, the 5/6 is so low on its max input?
It just seems odd to me that it would be from a high end company/product
Mics - AKG ck61/ck63 (c480b & Naiant actives), SP-BMC-2
XLR Cables - Silver Path w/Darktrain stubbies
Interconnect Cables - Dogstar (XLR), Darktrain (RCA > 1/8) (1/8 > 1/8), and Kind Kables (1/8f > 1/4)
Preamps - Naiant Littlebox & Tinybox
Recorders - PCM-M10 & DR-60D

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #53 on: June 20, 2017, 09:04:01 PM »
Does anyone know why, or think what the answer is as to why, the 5/6 is so low on its max input?
It just seems odd to me that it would be from a high end company/product

Could it be because the input does double duty as time code input?
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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #54 on: June 20, 2017, 09:44:03 PM »
Does anyone know why, or think what the answer is as to why, the 5/6 is so low on its max input?
It just seems odd to me that it would be from a high end company/product

I had a problem once for brick walling with it. I'm still not sure why. Comparisons have been made to the specs of the R-09, which could brick wall with a hot sbd patch or a loud show.

Those of us with mp6 units should continue to experiment and report back with findings.

For me, I'm going to try to run the mixpre6 on 0db for 5/6, control gain with the littlebox and see what happens.
Recording:
Capsules: Schoeps mk41v, mk4v, mk22, mk3 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, Darktrain 2 and 4 channel KCY extensions:
Preamps:    Naiant Littlebox, Naiant IPA, Naiant PFA, Sound Devices Mixpre6
Recorders: Sound Devices Mixpre6, Sony PCM m10
Home Playback: Mytek Stereo96> Adcom SLC 505> Marantz Ma500 (x2)> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-400
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Offline hipporu

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #55 on: June 21, 2017, 09:41:21 AM »
Those of us with mp6 units should continue to experiment and report back with findings.

For me, I'm going to try to run the mixpre6 on 0db for 5/6, control gain with the littlebox and see what happens.
In mp-6 you can adjust the signal strength to aux input:
In line mode -40 - +40 dB
In the microphone mode -20 - +60 db
This should suffice in most situations, without need external attenuator.
I applied -10 dBu from the mp-d to the 5 and 6 aux input of the mp-6, mode line
5 channel level 14 db set
6 channel level 20 db set
https://drive.google.com/file/d/0B-M9vh-K8KZmSGF0R2NsRUp1aVE/view?usp=sharing
The same is in the microphone mode.
« Last Edit: June 21, 2017, 09:45:00 AM by hipporu »
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Offline justink

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #56 on: June 21, 2017, 10:03:52 AM »
Does anyone know why, or think what the answer is as to why, the 5/6 is so low on its max input?
It just seems odd to me that it would be from a high end company/product

they built a four channel box and threw in 5/6 as an afterthought because they had the room?
Mics:
DPA 4028 (wide cards)
DPA 4023 (cards)
Earthworks TC25 (omnis) 
AT853u (cards, hypers)
Sound Professionals (omnis)


Pres and a/d's:
Oade ACM Grace Lunatec V3
bm2p+ Edirol UA-5
Sound Professionals 2 wire battbox w/ rolloff

Recorders:
Oade CM Edirol R-44
Edirol R-09

Offline hipporu

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #57 on: June 21, 2017, 10:51:47 AM »
Does anyone know why, or think what the answer is as to why, the 5/6 is so low on its max input?
It just seems odd to me that it would be from a high end company/product
5/6 is aimed at connecting consumer products
There is an interview Paul where it says for whom these mixes are intended
YouTuber, Musician, Podcaster, Sound Designer, Videographer, Production Sound Mixer, Educator, or audio hobbyist ...
http://soundrolling.com/i-chat-to-paul-isaacs-about-the-new-sound-devices-mix-pre-series/
Line Audio CM3 OM1, MKH 416, MKH 406, Ferrograph (Reslo RBL), ECM-737, ECM-959, AT Pro 45, AT Pro 24
SD MixPre-6, SD MixPre-D, Dcode PS-T, Focusrite Scarlett 2i2, Broadcast Tools ADC-1,
Sound Professionals SP-Preamp, Church Audio ST-20A,
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Offline F.O.Bean

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #58 on: June 21, 2017, 03:28:27 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?

You could just very easily run IPA/NBox directly into the XLR INs on Channels 1-4 as well, eliminating the need to use the 1/8" input at all ;)

I plan on using my Channels 5/6 1/8" Input for SBD Patches, and I can EASILY attenuate the XLR signal with my Naiant MPD's :)

And thanks for the link for that 1/8" Attenuator, Noah! MUCH Appreciated! I'll DEF be grabbing one of those for my MP6 here soon :)
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
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Offline F.O.Bean

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Re: Sound Devices MixPre-3 and 6, Part 3
« Reply #59 on: June 21, 2017, 03:31:13 PM »
Someone please correct me if I am wrong. With kcy nbobs I can run PFAs into the mic inputs. But if I want to avoid that bulk and power the Schoeps by IPA or Nbox, I run the risk of clipping the 1/8 line input due to the low max input. So I'd need to get a 1/8 to dual xlr or xlr to dual xlr cable?
For stealth, if it were me, I would run KCY NBobs > PFA > Sort right angle Stubby XLR interconnects > the deck. That way you are solidly locked in XLR all the way. And you don't have to mess with the IPA. I have some 6" right angle stubby XLR interconnects that Ted made that I love. Keeps the XLRs going into the deck flush and not sticking out for stealth situations. Little if any extra bulk this way since you are eliminating the IPA and potentially an in line attenuator if that 1/8 input is indeed prone to brickwalling.

BINGO! Here's a couple of pics of my DarkTrain Rt Angle Stubby XLR Breakout Cables! Makes running 4 channels of 60v PFA's extremely compact and fool proof :)
Schoeps MK4's | MK41's ->
Schoeps | NBob 250/05 KCY's ->
Schoeps VMS 02IB | Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby | GakCable XLR's ->
Sound Devices MixPre-6 | Tascam DR-70D ->
128gb | 64gb SanDisk Extreme Pro SDXC-I

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