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Old 8th February 2005, 08:03 PM   #1
franjy is offline franjy  United States
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Default Can you have too many amps for a Sonic Impact T-amp

Can a 12 volt 1000 amp sla battery be used?
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Old 8th February 2005, 08:14 PM   #2
Pano is offline Pano  United States
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Default Re: Can you have too many amps for a Sonic Impact T-amp

Quote:
Originally posted by franjy
Can a 12 volt 1000 amp sla battery be used?
That's quite a battery! How do you carry it?

If you mean a 1000 mAH battery, then yes. It will work fine, but it wont run long. Your average power draw on music (into 8 ohms) will be 110mA. So your battery "might" run 9 hours. But the voltage will sag during that time.

If you really did mean 1000 amp, why?

Have a look at my site for more info:
Sonic Investigations

You'll want to look at the FAQ and POWER pages.

Aloha
MM
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Old 10th February 2005, 03:54 PM   #3
franjy is offline franjy  United States
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Default 1000 amp battery

Because I have one. Thought I might use it to break in the SI.
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Old 10th February 2005, 04:07 PM   #4
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I'd guess that the '1000Amp' rating is the marketing-speak-translated peak current capacity of the Battery. ie Into a dead short circuit, it could deliver 1000amps of a few microseconds before destroying itself. That sounds high, but not totally unreasonable - most car batteries are in the hundreds of amps range.

I have no idea whether 1000Ah batteries exist, but it would be enormous, not to mention expensive. I'm not even sure where one would be used - a submarine?

Anyway, the T-Amp will draw as much current as it needs. As long as the voltage is at the right level (12-13V) you don't need to worry about blowing it up with too much current.
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Old 10th February 2005, 04:09 PM   #5
tiroth is offline tiroth  United States
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Yes. But make sure you have some fuses. You don't want to accidentally start arc-welding.

Also be aware that most large batteries
1. are not spill-proof
2. can produce explosive gases when charging
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