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Author Topic: Powering the SD MixPre-D  (Read 2992 times)

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Offline Rudyts

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Powering the SD MixPre-D
« on: March 30, 2013, 09:24:14 PM »
I recently bought the Sound Devices MixPre-D mic pre and like it a lot for most of its functionality. The main issue for me is running out of power. Because of the 48V phantom need, I'm only getting about 1.5 hours of time from the internal two AA batteries. Does anyone have a serious solution to this via a tidy rechargeable, cost-effective, beefy battery pack? I need at least 4-5 hours of record time. Thanks
Mics: Schoeps Colette MK21, MK41 and CCM2s; Earthworks QTC1
Preamp: Sound Devices MixPre-D
Recorders: Sound Devices 744T
Mounts: Vark Bar on Rycote INV6
Cables. etc.: Schoeps; Canare; Beldin Interconnects; Schoeps LP40 U Filters
Stand: AEA-13CB with SMP 1.25M Stereo Positioner

Offline DigiGal

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Re: Powering the SD MixPre-D
« Reply #1 on: March 31, 2013, 02:11:03 AM »
Tekkeon MP3450 or go old school with Sony/Sanyo etc. NP1 type batteries that can be found used for less $$$

http://taperssection.com/index.php?topic=161186.msg2029128#msg2029128
« Last Edit: March 31, 2013, 02:12:36 AM by DigiGal »
Mics: AKG CK91/CK94/CK98/SE300 | Shure VP88 | Senn ME66/K6/K6RD Cables: Gotham GAC-4/1 "StarQuad" w/Neutrik EMC | Gotham GAC-2pair w/AKG MK90/3 connectors | DigiGal AES>S/PDIF cable Preamp: SoundDevices MixPre-D Recorder: Marantz PMD 661 Edit: 27" 3.4GHz QuadCore i7 iMac | OS X High Sierra 10.13.6 | Wave Editor | xACT  | Transmission | Final Cut Pro X                                                            

Offline Rudyts

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Re: Powering the SD MixPre-D
« Reply #2 on: March 31, 2013, 01:44:46 PM »
Thanks for this recommendation DigiGal. The 3450 has been on my radar but I've been concerned about quality and durability issues after reading the Amazon owner's critical reviews for this Tekkeon piece. While general reviews like those leave one wondering, I do see several members here who use the 3450, so perhaps more light can be shed on those worries. Can a bullet-proof alternative be suggested? Also, a connecting cable between the battery and MixPre-D needs a Hirose termination at the preamp end; a recommendation on that would be appreciated also. Thanks again.
Mics: Schoeps Colette MK21, MK41 and CCM2s; Earthworks QTC1
Preamp: Sound Devices MixPre-D
Recorders: Sound Devices 744T
Mounts: Vark Bar on Rycote INV6
Cables. etc.: Schoeps; Canare; Beldin Interconnects; Schoeps LP40 U Filters
Stand: AEA-13CB with SMP 1.25M Stereo Positioner

Offline bryonsos

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Re: Powering the SD MixPre-D
« Reply #3 on: March 31, 2013, 02:11:15 PM »
Any lithium that puts out 10-17V should be fine. Either tgakidis or darktrain can make a Hirose cable for you. I got mine from tgakidis, and it's a hot swap dual cable. Works great!
Mics: 3 Zigma Chi HA-FX (COL-251, c, h, o-d, o-f) / Avenson STO-2 / Countryman B3s
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Offline F.O.Bean

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Re: Powering the SD MixPre-D
« Reply #4 on: March 31, 2013, 11:08:14 PM »
Any lithium that puts out 10-17V should be fine. Either tgakidis or darktrain can make a Hirose cable for you. I got mine from tgakidis, and it's a hot swap dual cable. Works great!

Thats the route I would go ;)
Recording Rigs:
Schoeps MK4's & MK41's ->
Schoeps | NBob 250/0 KCY's ->
Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby XLR's ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 2x 64gb Ultra Plus

Portable Playback Rigs:
Campfire Audio Andromeda & Dorado | Westone (2nd Generation) UM Pro 30 IEM's ->
Linum G2 SuperBax & Bax |  2x CA/ALO SPC Litz | Sony MUC-M2BT1 LDAC MMCX Cables ->
Shanling M5s & M0 | Sony NW-A35 DAP's

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Offline Rudyts

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Re: Powering the SD MixPre-D
« Reply #5 on: April 01, 2013, 12:35:21 AM »
Thanks to both F.O.Bean and bryonsos for your input. After additional forum reading, etc., I've located this Bix item:

http://www.bixnet.com/bx948.html

Assuming that I can get the proper Hirose-tipped cable run made, does anyone know the reliability, etc., of this bx948 unit? Compatibility with the MixPre-D is crucial, particularly including the demands of 48V phantom operation and with LED meters well illuminated.

Cheers
Mics: Schoeps Colette MK21, MK41 and CCM2s; Earthworks QTC1
Preamp: Sound Devices MixPre-D
Recorders: Sound Devices 744T
Mounts: Vark Bar on Rycote INV6
Cables. etc.: Schoeps; Canare; Beldin Interconnects; Schoeps LP40 U Filters
Stand: AEA-13CB with SMP 1.25M Stereo Positioner

Offline F.O.Bean

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Re: Powering the SD MixPre-D
« Reply #6 on: April 01, 2013, 12:41:10 AM »
Thanks to both F.O.Bean and bryonsos for your input. After additional forum reading, etc., I've located this Bix item:

http://www.bixnet.com/bx948.html

Assuming that I can get the proper Hirose-tipped cable run made, does anyone know the reliability, etc., of this bx948 unit? Compatibility with the MixPre-D is crucial, particularly including the demands of 48V phantom operation and with LED meters well illuminated.

Cheers

Seems a lil expensive for such a small battery. But if it works like you need it to, then go for it ;)
Recording Rigs:
Schoeps MK4's & MK41's ->
Schoeps | NBob 250/0 KCY's ->
Naiant +60v/Low Noise PFA's ->
DarkTrain Right Angle Stubby XLR's ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 2x 64gb Ultra Plus

Portable Playback Rigs:
Campfire Audio Andromeda & Dorado | Westone (2nd Generation) UM Pro 30 IEM's ->
Linum G2 SuperBax & Bax |  2x CA/ALO SPC Litz | Sony MUC-M2BT1 LDAC MMCX Cables ->
Shanling M5s & M0 | Sony NW-A35 DAP's

DAW:
Dell Inspiron 5570-5521 SLV Laptop
(Pentium i5 Processor/8gb RAM/256gb SSD)

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline hi and lo

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Re: Powering the SD MixPre-D
« Reply #7 on: April 01, 2013, 11:51:37 AM »
Thanks to both F.O.Bean and bryonsos for your input. After additional forum reading, etc., I've located this Bix item:

http://www.bixnet.com/bx948.html

Assuming that I can get the proper Hirose-tipped cable run made, does anyone know the reliability, etc., of this bx948 unit? Compatibility with the MixPre-D is crucial, particularly including the demands of 48V phantom operation and with LED meters well illuminated.

Cheers

This is a 9v battery and you need at least 10v. The Bixnet BP-90 would work for you needs, if you're attached to this manufacturer for any specific reasons.

A good battery is not cheap, especially of the 12v variety. If you have the money to spend I would recommend the Battery Geeks 10-14-115, however it will likely have more capacity than you actually need.

Don't worry about the battery 'meeting the demands' of 48v and LED Meters. Any battery that can meet the required voltage and output amperage will work the same*.

*Ignoring possible switching noise

Offline Rudyts

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Re: Powering the SD MixPre-D
« Reply #8 on: April 02, 2013, 09:22:52 AM »
Thanks to all who have provided ideas here. I'm sorting out details and expect to try something soon. Cheers.
Mics: Schoeps Colette MK21, MK41 and CCM2s; Earthworks QTC1
Preamp: Sound Devices MixPre-D
Recorders: Sound Devices 744T
Mounts: Vark Bar on Rycote INV6
Cables. etc.: Schoeps; Canare; Beldin Interconnects; Schoeps LP40 U Filters
Stand: AEA-13CB with SMP 1.25M Stereo Positioner

Offline pdxdanmusic

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Re: Powering the SD MixPre-D
« Reply #9 on: September 08, 2013, 10:43:29 PM »
I was thinking about starting a new thread until I found this one. I am not sure what type batteries Rudyts used but I ran a test with Energizer Ultimate Lithium and got real close to 6 hours and 45 minutes using my mics with P48 on.My mics draw 4.5 mA.
« Last Edit: September 08, 2013, 10:49:24 PM by pdxdanmusic »

Offline cd2go

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Re: Powering the SD MixPre-D
« Reply #10 on: October 25, 2013, 03:19:57 PM »
I was thinking about starting a new thread until I found this one. I am not sure what type batteries Rudyts used but I ran a test with Energizer Ultimate Lithium and got real close to 6 hours and 45 minutes using my mics with P48 on.My mics draw 4.5 mA.

My mics draw a little more, 5.2 mA total and I also tested over 6 hours with P48, the meter lights on lowest brightness hitting around +12, running the gain around 8:00 and going XLR out to my deck. I'm too tied to the reliability to go to rechargeable, maybe one day...
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Offline dnsacks

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Re: Powering the SD MixPre-D
« Reply #11 on: October 25, 2013, 04:54:55 PM »
have you tried out nimh rechargeable aa batteries?  Looks like the energizer lithiums are 2900 mah -- you can get rechargeables nimh batteries with close to the same capacity.  Issue would be whether the mix pre-d is designed to work with the lower voltage that a nimh puts out (1.2 volts vs. 1.5 volts for a standard nimh) -- worth trying out to see

 

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