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Author Topic: Sound Devices MixPre-3 and 6, Part 5  (Read 126503 times)

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Offline mjwin

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #450 on: January 28, 2019, 05:44:43 PM »
The placement of the switch made me first believe SD had a plan or an idea of using a logic power button on the front while the switch was a mechanical main power switch.
But I was wrong.
When I first saw photos of the new MixPres I assumed that the power switch was that SD logo button, & that it followed the common "press-in & hold for 2 seconds" logic.  So I was a bit surprised  that the actual design was so fiddly.  But it is still a logic switch, which requests the system to shutdown. This is a nice feature which prevents accidental power down if, say, the machine is still writing to the card when you flick the switch.

Not that "flick" is the best term for: "Take out your flashlight  & peer into that dark corner. Using a toothpick or specially maintained fingernail, align with the grooves on the switch and actuate." lol

But this and the misplaced h/p encoder knob are minor niggles in an otherwise solid machine.

I've since stopped worrying about the power switch on the basis that, once you know your power pack run-time, it's not something which needs to be accessed very often.

And don't forget, you'll never inadvertently power down because you brushed against it!

Online tim in jersey

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #451 on: January 28, 2019, 05:56:14 PM »
I love this recorder, but I hate that hard to reach power switch.

I view it as a potentially good thing. No accidentally powering the deck off while reaching in the bag for the random whatever while recording. Although, I'm still hoping for a HOLD function ala the 7xx series, which in my mind is still the ultimate deck even given size considerations.

Only reason I bought the MP-6 is for when I need 4 channels of full-sized TRS/XLR connectors and need to stay small. Lack of a HOLD button still makes me nervous when I'm running multiple rigs and/or have to walk away from my bag to grab a water/use the restroom etc....

Offline jbell

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #452 on: January 29, 2019, 11:05:12 AM »
Has anyone found a 1 foot right angle usb c > usb c that gives a full charge to the Mixpre-6??  I'd really like to find one shorter than the 3 foot cable I have. 
Mics: DPA ST4011ER & 4018ER | Neumann kk 184 > Nbob/PFA
Preamps: DPA MMA 6000 | Audioroot Femto
Recorders: Sound Devices Mixpre-10 II | Sony PCM A10

-20        -12         -6        TDS   (32/48)     
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__________________________
|Record|  Runtime: 4:19.99  {|||] 75%

Offline Chuck

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #453 on: January 29, 2019, 11:43:57 AM »
ditto
Reality is merely an illusion, albeit a very persistent one.

Microphones: AKG C 480 B comb-ULS/ CK 61/ CK 63, Sennheiser MKE 2 elements,  Audix M1290-o, Micro capsule active cables w/ Naiant PFA's, Naiant MSH-1O, Naiant AKG Active cables, Church CA-11 (cardioid), (1) Nady SCM-1000 (mod)
Pre-amps: Naiant littlebox, Naiant littlekit v2.0, BM2p+ Edirol UA-5, Church STC-9000
Recorders: Sound Devices MixPre-6, iRiver iHP-120 (Rockboxed & RTC mod)

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Offline Gordon

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #454 on: January 29, 2019, 03:15:41 PM »
Has anyone found a 1 foot right angle usb c > usb c that gives a full charge to the Mixpre-6??  I'd really like to find one shorter than the 3 foot cable I have.

is it the braided on I have?  Just twist it up and tuck it away somewhere......

https://www.dropbox.com/s/n0rxn4lt7tjkzwl/2019-01-29%2015.09.17.jpg?dl=0


https://www.dropbox.com/s/aw8pxdt191ycdrj/2019-01-29%2015.09.47.jpg?dl=0
Microtech Gefell M20 or M21 > Nbob actives > Naiant PFA > Sound Devices MixPre-6 II @ 32/48

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Offline jbell

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #455 on: January 29, 2019, 03:28:57 PM »
I have that cable, but would prefer something shorter!! 

Has anyone found a 1 foot right angle usb c > usb c that gives a full charge to the Mixpre-6??  I'd really like to find one shorter than the 3 foot cable I have.

is it the braided on I have?  Just twist it up and tuck it away somewhere......

https://www.dropbox.com/s/n0rxn4lt7tjkzwl/2019-01-29%2015.09.17.jpg?dl=0


https://www.dropbox.com/s/aw8pxdt191ycdrj/2019-01-29%2015.09.47.jpg?dl=0
Mics: DPA ST4011ER & 4018ER | Neumann kk 184 > Nbob/PFA
Preamps: DPA MMA 6000 | Audioroot Femto
Recorders: Sound Devices Mixpre-10 II | Sony PCM A10

-20        -12         -6        TDS   (32/48)     
]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]][}   
]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]][} 
__________________________
|Record|  Runtime: 4:19.99  {|||] 75%

Offline Sebastian

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #456 on: January 29, 2019, 04:22:11 PM »
Has anyone found a 1 foot right angle usb c > usb c that gives a full charge to the Mixpre-6??  I'd really like to find one shorter than the 3 foot cable I have. 

This should work. It's USB-A > USB-C, but it has the pull-up resistors that signal the MixPre that it can draw enough power.
https://www.amazon.com/SUNGUY-3-Pack-Charging-Samsung-OnePlus/dp/B07H96GG3G

Offline Gordon

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #457 on: January 29, 2019, 04:47:10 PM »
I have that cable, but would prefer something shorter!! 

Has anyone found a 1 foot right angle usb c > usb c that gives a full charge to the Mixpre-6??  I'd really like to find one shorter than the 3 foot cable I have.

is it the braided on I have?  Just twist it up and tuck it away somewhere......

https://www.dropbox.com/s/n0rxn4lt7tjkzwl/2019-01-29%2015.09.17.jpg?dl=0


https://www.dropbox.com/s/aw8pxdt191ycdrj/2019-01-29%2015.09.47.jpg?dl=0

I get it but wrapped up like that and tucked away 3 feet turns into 6 inches.
Microtech Gefell M20 or M21 > Nbob actives > Naiant PFA > Sound Devices MixPre-6 II @ 32/48

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Offline voltronic

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #458 on: January 29, 2019, 04:59:37 PM »
Has anyone found a 1 foot right angle usb c > usb c that gives a full charge to the Mixpre-6??  I'd really like to find one shorter than the 3 foot cable I have. 

This should work. It's USB-A > USB-C, but it has the pull-up resistors that signal the MixPre that it can draw enough power.
https://www.amazon.com/SUNGUY-3-Pack-Charging-Samsung-OnePlus/dp/B07H96GG3G

Don't you need a cable that is USB-C on both ends to get the max voltage?

That's what I think jbell may have been asking about.  USB-A > USB-C Right Angle are pretty common, but I have yet to see a USB-C > USB-C right-angle in a short length.
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Offline Sebastian

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #459 on: January 29, 2019, 05:03:22 PM »
Don't you need a cable that is USB-C on both ends to get the max voltage?

That's what I think jbell may have been asking about.  USB-A > USB-C Right Angle are pretty common, but I have yet to see a USB-C > USB-C right-angle in a short length.

No, USB-C > USB-C is not necessary! I am successfully running the MixPre on full power over a USB A > USB-C cable. The only thing that matters is the cable has to signal the MixPre that it is capable of carrying high currents. This is done using a a 56 kOhm pull-up resistor in the cable. And of course your battery needs to be able to supply that current.

Offline Sebastian

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #460 on: January 29, 2019, 05:13:51 PM »
To follow up on my claim, here's a crappy cell phone picture that shows how I'm running the MixPre on full power with a USB-A > USB-C cable. I think the full power icon on the MixPre's screen is clearly visible. ;)

Offline voltronic

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #461 on: January 29, 2019, 05:14:27 PM »
Don't you need a cable that is USB-C on both ends to get the max voltage?

That's what I think jbell may have been asking about.  USB-A > USB-C Right Angle are pretty common, but I have yet to see a USB-C > USB-C right-angle in a short length.

No, USB-C > USB-C is not necessary! I am successfully running the MixPre on full power over a USB A > USB-C cable. The only thing that matters is the cable has to signal the MixPre that it is capable of carrying high currents. This is done using a a 56 kOhm pull-up resistor in the cable. And of course your battery needs to be able to supply that current.

Well that's good to know; thanks!
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Offline rippleish20

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #462 on: January 29, 2019, 05:44:13 PM »
Don't you need a cable that is USB-C on both ends to get the max voltage?

That's what I think jbell may have been asking about.  USB-A > USB-C Right Angle are pretty common, but I have yet to see a USB-C > USB-C right-angle in a short length.

No, USB-C > USB-C is not necessary! I am successfully running the MixPre on full power over a USB A > USB-C cable. The only thing that matters is the cable has to signal the MixPre that it is capable of carrying high currents. This is done using a a 56 kOhm pull-up resistor in the cable. And of course your battery needs to be able to supply that current.



Well that's good to know; thanks!


This is incorrect! t's amazing how often this gets revisted. A USB-A to USB-C cable built to the standard does have a 56 kOhm pull-up resistor in the cable. This limits the power to .9 amps! USB-A to USB-C Cables that work either have no pull up resistor or a 22 kOhm resistor. There is nothing wrong with using such a cable if you are sure of what you are plugging into, but such a cable is not built to the standards! This is why the SD FAQ says a USB-A to USB-C cable wont work.

The default, and maximum amperage USB devices used for a very long time was .9 amps (with the exception of proprietary cables like USB-A to lightning). Higher amperage with USB is a recent development. The stanadrads linit USB_A to USB-C cables to .9 amps because it would easy for a user to connect an older device to a newer device that draws or provides more than intended...

https://www.androidauthority.com/usb-type-c-and-3-1-explained-656552/
« Last Edit: January 29, 2019, 05:57:43 PM by rippleish20 »
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Offline dallman

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #463 on: January 29, 2019, 06:00:07 PM »

This is incorrect! t's amazing how often this gets revisted. A USB-A to USB-C cable built to the standard does have a 56 kOhm pull-up resistor in the cable. This limits the power to .9 amps! USB-A to USB-C Cables that work either have no pull up resistor or a 22 kOhm resistor. There is nothing wrong with using such a cable if you are sure of what you are plugging into, but such a cable is not built to the standards! This is why the SD FAQ says a USB-A to USB-C cable wont work.

The default, and maximum amperage USB devices used for a very long time was .9 amps. Higher amperage is a recent development. The stanadrads linit USB_A to USB-C cables to .9 amps because it would easy for a user to connect an older device to a newer device that draws or provides more than intended...

https://www.androidauthority.com/usb-type-c-and-3-1-explained-656552/

Rippleish20 is correct. Further Sound Devices stated early on that they may not honor the warranty if using a USB-A To USB-C cable that does power the MixPre as the cable does not have the 56kOhm resistor to protect it if it is supplying enough power to power the mixpre. I do not know if that has changed at all, but why chance it.
« Last Edit: January 29, 2019, 06:20:07 PM by dallman »
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Offline voltronic

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Re: Sound Devices MixPre-3 and 6, Part 5
« Reply #464 on: January 29, 2019, 07:48:41 PM »

This is incorrect! t's amazing how often this gets revisted. A USB-A to USB-C cable built to the standard does have a 56 kOhm pull-up resistor in the cable. This limits the power to .9 amps! USB-A to USB-C Cables that work either have no pull up resistor or a 22 kOhm resistor. There is nothing wrong with using such a cable if you are sure of what you are plugging into, but such a cable is not built to the standards! This is why the SD FAQ says a USB-A to USB-C cable wont work.

The default, and maximum amperage USB devices used for a very long time was .9 amps. Higher amperage is a recent development. The stanadrads linit USB_A to USB-C cables to .9 amps because it would easy for a user to connect an older device to a newer device that draws or provides more than intended...

https://www.androidauthority.com/usb-type-c-and-3-1-explained-656552/

Rippleish20 is correct. Further Sound Devices stated early on that they may not honor the warranty if using a USB-A To USB-C cable that does power the MixPre as the cable does not have the 56kOhm resistor to protect it if it is supplying enough power to power the mixpre. I do not know if that has changed at all, but why chance it.

Thank you both for the clarification.
I am hitting my head against the walls, but the walls are giving way.
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Acoustic Recording Techniques
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