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Author Topic: Sound Devices MixPre-3 and 6, Part 7  (Read 14182 times)

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Offline borjam

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #135 on: Yesterday at 02:34:03 AM »
The first version of the MixPre 3/6 do not have the needed internal USB hardware and is therefor unable to write to a thumb drive.
Everything comes down to a more limited SOC (CPU and FPGA combination) for the first series. The second series seems to have much more computing power available, making it even possible to implement real time noise reduction.

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What you can do is run an iPhone or iPod on the USB port via a lightning cable and se it up as an external two channel recorder while doing the real recording on the MixPre.
Or do it "off line" and simply let the MixPre play the recording and have an external iOS device recording it - but it will be time consuming as it have to be done 1:1 instead of simply doing a transfer of the wav files as the second version can do it.
There is no need to be limited to two channels.

If the DAW software you use on the iThing supports multi channel audio you can access everything through USB. For example, the MixPre 3 appears as a 6x2 audio interface.

It depends on the USB audio mode you configure. And it can be non intuitive: In order to connect to a Lightning port you need to use a USB-A to Lightning cable.

Do not connect via the USB-C port on the MixPre to a Lightning camera adapter because the power management in the MixPre can get nuts and the Lightning to USB adapter can get really hot. There was even an obscure bug I reported (fixed in the latest firmware versions).

Sound Devices published a support note about it.
https://www.sounddevices.com/mixpre-ii-series-as-audio-interfaces-for-tablets-and-phones/

"Don't worry about the drums. I'm a percussionist, I can play on carton boxes" - Peer Wyboris

Offline borjam

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #136 on: Yesterday at 02:37:04 AM »

v6.0 firmware currently on my Mixpre6
I would recommend the latest versions. There was some power management trouble when powered via USB-C in non ideal conditions and they have improved it.
"Don't worry about the drums. I'm a percussionist, I can play on carton boxes" - Peer Wyboris

Offline justme

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #137 on: Yesterday at 03:53:10 AM »
You are absolutely right - I totally forgot about that!
Thank you.

There is no need to be limited to two channels.

If the DAW software you use on the iThing supports multi channel audio you can access everything through USB. For example, the MixPre 3 appears as a 6x2 audio interface.

It depends on the USB audio mode you configure. And it can be non intuitive: In order to connect to a Lightning port you need to use a USB-A to Lightning cable.
https://www.sounddevices.com/mixpre-ii-series-as-audio-interfaces-for-tablets-and-phones/

Online emery

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #138 on: Yesterday at 09:42:42 AM »

My mixpre has spent less than 72 hours "off" since the pandemic began, and none of that on battery power.
I run it constantly via USB-C as the sound interface.
:cheers:

When I plug the MixPre6 vI into the Nucleum hub via the Anker cable which came with my USB-C battery, I only get "amber" power levels, enough for two but not four channels of Kashmir preamp.
When I plug the MixPre6 vI into the M1 MacMini Thunderbolt/USB-C ports directly with that same cable, it gets "green"  levels of power on the indicator, so it could run four channels of 48v phantom if needed.
 

nice. good info.

Online emery

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #139 on: Yesterday at 09:44:54 AM »
Do not connect via the USB-C port on the MixPre to a Lightning camera adapter because the power management in the MixPre can get nuts and the Lightning to USB adapter can get really hot. There was even an obscure bug I reported (fixed in the latest firmware versions).

Sound Devices published a support note about it.
https://www.sounddevices.com/mixpre-ii-series-as-audio-interfaces-for-tablets-and-phones/

I would recommend the latest versions. There was some power management trouble when powered via USB-C in non ideal conditions and they have improved it.

:thumbsup:

Online morst

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #140 on: Yesterday at 06:43:08 PM »
v6.0 firmware currently on my Mixpre6
I would recommend the latest versions. There was some power management trouble when powered via USB-C in non ideal conditions and they have improved it.
Ah thanks for the tip. Been thinking it's time to bump it up and this is a genuine reason to do so.
Hey when I went there, they have a specific ASIO driver for windows which adds multi channel support.

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An ASIO® driver (v) for the MixPre Series by Ploytec is now available for download.
With USB Audio Class 1 devices — that is, Windows-based computers without an ASIO driver — the MixPre Series audio recorders are capable of sending two channels of audio (L, R) and receiving two channels of audio via USB to/from the computer.
This software driver adds ASIO support in Windows OS for the MixPre-6 and/or MixPre-3. With the ASIO driver installed, Windows-based computers become USB Audio Class 2 devices, which means the MixPre-6 can send eight channels (1-6, L, R) to the computer and receive four channels from the computer via USB, while the MixPre-3 can send five in and receive two out. The ASIO driver for the MixPre Series allows for low-latency operation and max sample rate for USB audio up to 96 kHz on Windows computers. This driver supports Windows 7 and later, both 32- and 64-bit versions.
For stable performance, Sound Devices highly recommends that your Windows computer is installed with the latest Intel USB drivers even if your computer is not Intel based. These drivers are not included in Windows automatic updates. For details on how to manually install these drivers, refer to this Technical Document.

OOH heads up, it's a double whammy!

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7. When upgrading to firmware version 7.0 or higher from any version lower than 6.0 the firmware installation process will need to be completed twice. After the first installation is complete, the MixPre II will prompt you to start the second installation process.

Also, I had not run the Wingman app in several iOS updates but when I tried it after the firmware update, I had to quit the Wingman app and run it again before it displayed levels properly, even though it was connected and reporting the serial number of the Mixpre6. Oh Geez, it only works about 2/3 of the time. It doesn't show levels on Wingman reliably now. Once you use the About function, the levels don't come back until you quit and restart the app. Oh never mind, I was disconnecting the device from wingman every time I use the About function to identify. Confusing app for something which has such limited functionality!
« Last Edit: Yesterday at 07:14:56 PM by morst »

Online emery

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #141 on: Today at 02:09:34 PM »
I'm at  Version 1.53 and going to try to go straight to 7.13

Online morst

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Re: Sound Devices MixPre-3 and 6, Part 7
« Reply #142 on: Today at 02:41:59 PM »
I'm at  Version 1.53 and going to try to go straight to 7.13
should work fine, it will prompt you to do it twice.

 

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