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08-25-2010, 07:42 PM
| | | | Power supply for stomps--leave battery in?
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I finally decided to get green and stop using so many 9 volts, and bought a Dunlop DC Brick for my growing pedal board. Is it safe to assume that when a pedal is being powered by AC, that if there is a battery in it, that A) the AC power takes precedence and the battery is not being used and B) that if there IS a battery in there that it's not being drained regardless ? Or does it depend on the pedal? I was thinking, well, I'll leave batteries in just in case--y'know, you end up in some guerilla gig scenario and can't get AC to your board, the power supply bites it, etc. Or do most folks using AC power for their pedals leave the batteries out? |
08-25-2010, 07:50 PM
|  | Registered User
Endorsing Artist: see profile | | Join Date: Feb 2002 Location: toms_river.nj.us | | | no batteries live in my pedals EVER! |
08-25-2010, 08:32 PM
| | Registered User | | Join Date: Aug 2004 Location: Ennui | | Quote:
Originally Posted by bassybass  I finally decided to get green and stop using so many 9 volts, and bought a Dunlop DC Brick for my growing pedal board. Is it safe to assume that when a pedal is being powered by AC, that if there is a battery in it, that A) the AC power takes precedence and the battery is not being used and B) that if there IS a battery in there that it's not being drained regardless ? Or does it depend on the pedal? I was thinking, well, I'll leave batteries in just in case--y'know, you end up in some guerilla gig scenario and can't get AC to your board, the power supply bites it, etc. Or do most folks using AC power for their pedals leave the batteries out? | Leave the batteries out. Unless you're playing where there is questionable electrical infrastructure, or you know if your DC Brick is prone to fault, you probably won't need that redundant power source.
You specifically asked if the battery won't drain when there is an AC source. Having experienced this phenomenon firsthand, I can tell you that the battery will drain. Not significantly, but if you leave your pedal plugged in (in the input jack, to be precise), it will drain, and will eventually kill your battery.
That said, one can make the argument for bringing a sufficient number of batteries, and then using them as needed.
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08-25-2010, 09:13 PM
|  | Bartle doo? | | Join Date: Jun 2010 Location: Missing Mountains | | | My .02-
If you leave the batteries in there, overtime you may forget and they will eventually leak and corrode. At least when you're running the pedal off the battery, it will usually die before this happens. Leaky battery acid and corrosion in a pedal mean you have to get a new pedal...
2nd note-
Learned from experience... the DC powerbrick is awesome because of it's size and the fact it will power most of your pedals. However, the DC power brick is a daisy chain style of power supply. Some pedals (some EHX I know) will not work properly on a daisy chain. If they do, they may act tempormentally. Owner's manuals usually state if the pedal "needs" a dedicated power supply. If it doesn't state in the manual, generally, its ok to run the pedal off a daisy chain supply.
So, you may end up having a few pedals on your board that still have to use the batteries or their own dedicated power supply.
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08-25-2010, 09:29 PM
|  | Holding the Line, Low, Loud & Proud | | Join Date: Aug 2000 Location: Leander, TX (outside Austin) | | | Pedals on my board stay there so I do not have batteries in them, saves me about a pound and these days it all counts. I do keep batteries in the loose pedals that I may grab from time to time for recording and such. |
08-26-2010, 12:01 AM
| | Registered User | | Join Date: Mar 2010 Location: Greece | | | Leave battery in, but unplug the jack from input.
Left a 9v in my muff, and ate the battery in 2 weeks.
Have a new now, unplugging it every time and i've been using it for over 6 months.
It's not good for the enviroment, it is a bit more expensive, but some pedals unfortunately just won't get along a power supply. |
08-26-2010, 12:04 AM
| | Registered User | | Join Date: Jan 2009 Location: America's High-Five | | Bought a PP2+..haven't looked back 
batteries can suck one. I've been encouraging all my builder friends to go green and not even wire them for batteries. Fuzzrocious, smallsound/bigsound, Dr Scientist (he's coming around!),..
I take batteries out. I don't need that extra weight, something jumblin' around, nor the potential for corrosion
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08-26-2010, 12:11 AM
| | Registered User | | Join Date: Jan 2007 Location: Honky Kong, ShangriLamma | | Check out the blokes at GigRig. They've got a power supply and adapters that can handle just about any weird power requirements a pedal may have, including a fake battery that runs off the power supply, so the pedal 'thinks' it's got a battery inside.
Usual disclaimers: I'm in no way affiliated with GigRig; I just wish I could afford their Pro-14...
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08-26-2010, 03:52 AM
|  | Registered User | | Join Date: Feb 2008 Location: Vientiane, Laos | | Quote:
Originally Posted by Feral Feline Check out the blokes at GigRig. They've got a power supply and adapters that can handle just about any weird power requirements a pedal may have, including a fake battery that runs off the power supply, so the pedal 'thinks' it's got a battery inside.
Usual disclaimers: I'm in no way affiliated with GigRig; I just wish I could afford their Pro-14... | The GigRig virtual battery acts as an isolator between the power supply and a battery clip, which is perfect for solving DC Brick/daisy chain powering problems.
The PP2+ has all isolated outputs and makes life easier. | | Thread Tools | Search this Thread | | | | 
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