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Author Topic: My JB3 festival power rig  (Read 9433 times)

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Offline bhtoque

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My JB3 festival power rig
« on: February 20, 2005, 01:45:53 PM »
By request for Big Ray, here's how I power my jb3 for festivals. I get 18 hours of useable record time (phones, backlight etc)

Pics are all the needed parts (minus the creative car adapter) and how it looks put together.

I got everything but the sla at radio shack.

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Offline F.O.Bean

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Re: My JB3 festival power rig
« Reply #1 on: February 20, 2005, 02:31:51 PM »
nice j!
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Offline fozzy

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Re: My JB3 festival power rig
« Reply #2 on: February 20, 2005, 03:39:13 PM »
i'd be scared to reverse the polarity w/ the adapta plugs.
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Offline bhtoque

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Re: My JB3 festival power rig
« Reply #3 on: February 20, 2005, 05:25:15 PM »
i'd be scared to reverse the polarity w/ the adapta plugs.

I guess you could make the marks more obvious with a sharpie, but you just have to line up the word tip on each end.

Any connector could be substituted for the adaptaplug, and like I told Ray, you could hard wire the crimp connectors right onto the cig lighter socket if you want. I keep it the way I did it so I can quickly switch to run all my gear off the sla.

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Re: My JB3 festival power rig
« Reply #4 on: February 20, 2005, 07:08:29 PM »
i'd be scared to reverse the polarity w/ the adapta plugs.

Tip : assemble adapta-plugs...and tap the seem with your soldering iron...that will sort of seal them - no reason to disassemble those parts anyway...

Offline bhtoque

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Re: My JB3 festival power rig
« Reply #5 on: February 20, 2005, 07:51:50 PM »
i'd be scared to reverse the polarity w/ the adapta plugs.

Tip : assemble adapta-plugs...and tap the seem with your soldering iron...that will sort of seal them - no reason to disassemble those parts anyway...

I opted for adaptaplug when I did the wiring so that I could just swap on the tips for my ps-2 or ua-5. It saved me from having to snip, strip, splice and crimp cables for everything. When I need to run 2 or more things on the same sla, I just stick in a y cable. 

If you know you only want it one way, then your tip, or crazy glue is a great way to go.

I'm just a little out of control, and have made cables for adapta-plug to everything but 4pin xlr. I could run every piece of gear in the section if I were to cart around a 6v SLA too.

JAson
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Offline twatts (pants are so over-rated...)

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Re: My JB3 festival power rig
« Reply #6 on: February 21, 2005, 01:32:26 PM »
All the parts at Rat Shack, battery available on EBAY for $19.99:

Ebay item #3874738036   

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Offline dgodwin

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Re: My JB3 festival power rig
« Reply #7 on: February 21, 2005, 06:59:29 PM »
what charger do you use with this battery?  Thanks!

Offline Tall Adam

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Re: My JB3 festival power rig
« Reply #8 on: February 21, 2005, 07:27:29 PM »
could an SLA be used to power a laptop? battery is 10.8v, wallwart is 18v...sooo its within the range...

Offline bhtoque

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Re: My JB3 festival power rig
« Reply #9 on: February 21, 2005, 08:36:10 PM »
could an SLA be used to power a laptop? battery is 10.8v, wallwart is 18v...sooo its within the range...

I've only ever done it with the laptop's car adapter. I'd be too afraid to feed it the wrong voltage.

7ah only lasted 3 on the lappy.

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Offline Tall Adam

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Re: My JB3 festival power rig
« Reply #10 on: February 21, 2005, 08:40:09 PM »
i do have the car adapter, good point :)

Offline bhtoque

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Re: My JB3 festival power rig
« Reply #11 on: February 21, 2005, 08:41:45 PM »
what charger do you use with this battery?  Thanks!

I've got a powersonic psc-12800a. They make them in several flavors. What you need is a charger that matches the type of sla (6 or 12v) and puts out as much as you can afford. I've got a cheaper one that puts out 300mha and a more expensive one that puts out 800mha. Just divide the total of the battery 7000 in my case by the output of the charger 800 = charge time 8.75 hours That is a lot of time, but it runs the jb3 for 18.

JAson
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Offline dgodwin

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Re: My JB3 festival power rig
« Reply #12 on: February 21, 2005, 09:24:53 PM »
Thanks.  I have a home-brew 6v version that someone else put together for me.  Since I just aquired a JB3, I was looking for the most economical way to power it. 

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Re: My JB3 festival power rig
« Reply #13 on: March 03, 2005, 05:06:15 PM »
What's the part number on that first pic? I searched the shacks site and can't find it anywhere. Just picked up the creative car adaptor and would love to be able to use it for remote power.
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Re: My JB3 festival power rig
« Reply #14 on: March 03, 2005, 05:17:30 PM »
What's the part number on that first pic? I searched the shacks site and can't find it anywhere. Just picked up the creative car adaptor and would love to be able to use it for remote power.

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