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Subject: Re: power source for a precision air machine
Date: Thu, 26 Apr 2012 10:52:39 -0400
From: Larry Moss <moss(at)balloonhq.com>
On Apr 26, 2012, at 10:21AM, Judy Volkman wrote:
> I love the air machine, but when doing several jobs outside there is
> no source of power. Is there a good way to use some type of adaptor
> or generator as a power source?
Probably. It depends on the draw needed by the PA. I have not tested this myself
or looked up the specs on the machine, so before spending money on this, check
with Conwin. (This is an invitation for Steven or someone else at Conwin to jump
in here.)
There are two solutions that come to mind immediately that don't require a
generator. I've used both in different situations (but not specifically with a
PA). First, if you can park where you're working, your car should be able to
provide the needed power. Get a power inverter to convert 12V DC car (cigarette
lighter) power to 110V AC. then you can plug the PA into the inverter. You need
to know what the draw is on the PA and what your car outlets can provide so you
don't blow a fuse. Here's an article on power inverters that might help you get
started (or confuse you more):
http://www.roadtripamerica.com/dashboarding/Power-Inverters.htm
I don't travel anywhere without an inverter. You never know when you're going to
need to power something. I also travel with a powerpack/jump starter in my car.
It's basically an extra car battery in a portable unit. It has power outlets on
it and is designed for power when you're away from an outlet and even jump
starting your car. So if you can't park near where you're working, you can take
this power pack with you and run your equipment for a while. You can then
recharge it directly from your car on the way home from the gig, or when you get
home. It's one of those handy things to have anyway. I think this is the one I
have:
http://www.amazon.com/Xantrex-XPower-Powerpack-Portable-Source/dp/B000E6LEIC
If no one has a better answer, I'll find my kill-o-watt meter and see what the
PA draws to try to direct you a little bit. I'm guessing that either of the
above solutions will work. I've used both to get me through outdoor performances
with all of my sound equipment plugged in. I've never needed to use a PA
outdoors.
Larry Moss, http://www.airigami.com
1115 E Main St, Suite 234, Box 72, Rochester, NY 14609
Phone: (585) 359-8695; Twitter: @airigami
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