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Author Topic: Time for a new battery rig, would appreciate some input  (Read 2621 times)

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Offline dnsacks

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Re: Time for a new battery rig, would appreciate some input
« Reply #15 on: July 27, 2016, 06:53:55 PM »
FWIW (and because I was curious) --some googling suggests the PMD will run 5-6 hours (+) on internal NiMH aa batteries if not using phantom power.

Offline F.O.Bean

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Re: Time for a new battery rig, would appreciate some input
« Reply #16 on: July 28, 2016, 12:55:20 AM »
how does the 661 work with internal nimh rechargables?  I've been REALLY impressed with the power/capacity of maha NiMh aa batteries, a pair will run my m10 for well over 12 hours!



My 2,300mah Energizer NIMH AAs would power my old M10's for around 18-20 hours, which was PERFECT for ONE M10 and day of recording at a big festie! Man, I do miss my old and lil M10's. A pair of lithium AAs would probably power the M10 for over 30 hours. INSANE!

Anyway, to the OP, I realize that you said you don't want to use ANY AAs, but I would power the VMS5u with some AAs internally, and then run a SINGLE battery like the ones linked by others above, to power the Mytek & 661 combo ;) That would probably be the easiest and most stress free way to go if you'll be recording for a long time! Ive never run a VMS5u, but I realize that it takes 6xAAs. My VMS02IB takes 8xAAs, and it gets like 18 hours with some of my fully charged 2,300mah Energizer AAs, so I'm guessing that the VMS5u gets like 12 hours at least with some AAs internally! That should be long enough for you! :)

So yeah, run some AAs inside of the VMS5u, and a 12v/5v combo USB style battery and that way, you'll only have to deal with ONE external battery! I also highly recommend the 9.6v NIMH RC  batts for your VMS5u, if it has the same voltage range as my 02IB does, and If you have a nice charger for them! I have a Tenergy TB6B Charger[$50], which charges ANYTHING[Lithium/SLA/NIMH/NICD/etc] and is the only charger I REALLY need, even though I have dedicated AA/AAA and Vape battery chargers too! Love it and it has a real-time readout about the battery being maintained :) I am not crazy about the Tamiya connectors though that come stock on most RC batts, but I am eventually going to upgrade those crappy Tamiya connectors with some SOLID locking connectors like Mini-XLRs, which is pretty easy to do if you're handy at all with a soldering iron 8)
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Offline DigiGal

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Re: Time for a new battery rig, would appreciate some input
« Reply #17 on: July 28, 2016, 11:32:20 AM »
FWIW (and because I was curious) --some googling suggests the PMD will run 5-6 hours (+) on internal NiMH aa batteries if not using phantom power.

There were several run time tests right here in the forum; look in the "New Marantz PMD661" threads which are currently on PT:3, there's also a "Team PMD661" thread.  ;)

Of Note: the PMD661 has a menu setting to toggle between Alkaline or Ni-MH for accuracy of the "battery remaining" indicator and "low battery" warning.
« Last Edit: July 28, 2016, 06:59:07 PM by DigiGal »
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Offline boltman

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Re: Time for a new battery rig, would appreciate some input
« Reply #18 on: July 28, 2016, 04:06:43 PM »
I forgot I had this battery, too.  It does work, and has two USB outs: one that is 1A and one that is 2.1A, assuming they're truthful....
$13 on EBay.

http://www.ebay.com/itm/20000mAh-UltraThin-Dual-USB-Portable-Power-Bank-External-Battery-Backup-Charger-/321922201939?var=&hash=item4af40ef953

Offline goodcooker

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Re: Time for a new battery rig, would appreciate some input
« Reply #19 on: July 31, 2016, 09:45:05 PM »
Is there a risk of damage by underpowering?  I know that's been an issue with some decks, like the DR-680.

Well, I personally wouldn't risk it; remember Marantz Professional does not officially endorse the use of an external battery.

Just anecdotal evidence but I ran my Marantz 670 for years with 9V into the 12V input no problem. I would def try to find a battery that could supply at least close to the listed current draw.
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