#5677 - 11/24/04 05:08 PM
Re: Car Amplifier
|
Desperado
Registered: 10/25/04
Posts: 688
Loc: peoria il
|
not more "electricity" so to speak you'll still not have more than 12 volts but the reserve will be there
|
Top
|
|
|
|
|
#5678 - 11/24/04 05:16 PM
Re: Car Amplifier
|
Desperado
Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
|
Found this at Optima's site regarding battery runtime and "amp hours": Amp Hours
The Amp Hour rating tells you how much amperage is available when discharged evenly over a 20 hour period. The amp hour rating is cumulative, so in order to know how many constant amps the battery will output for 20 hours, you have to divide the amp hour rating by 20. Example: If a battery has an amp hour rating of 75, dividing by 20 = 3.75. Such a battery can carry a 3.75 amp load for 20 hours before dropping to 10.5 volts. (10.5 volts is the fully discharged level, at which point the battery needs to be recharged.) A battery with an amp hour rating of 55 will carry a 2.75 amp load for 20 hours before dropping to 10.5 volts.
Reserve Minutes
Reserve minutes is the number of minutes a battery will carry a 25 amp load before dropping to 10.5 volts. (10.5 volts is the fully discharged level, at which point the battery needs to be recharged.) The D34/78 is rated for 55 amp hours and 120 reserve minutes, so one battery will yield 2.75A steadily for 20 hours (55 amp hours divided by 20) before reaching 10.5V and being classified as "fully discharged." It will carry a 25 amp load for two hours before needing to be recharged.
|
Top
|
|
|
|
|
#5680 - 11/24/04 05:32 PM
Re: Car Amplifier
|
Desperado
Registered: 10/25/04
Posts: 688
Loc: peoria il
|
i think you are right gonk(i'm not gonna pretend to "know something" if i'm not sure) but i'm doing it all for reserve in my truck i have an 160 amp alternator that cannot power the truck and stereo so, basically they provide the ooooooommmph for a peak (reserve)i was sold on my amps because the are "unregulated" whereas if you can put more in you get more out (to a limit of course)
|
Top
|
|
|
|
|
#5681 - 11/24/04 05:40 PM
Re: Car Amplifier
|
Desperado
Registered: 10/25/04
Posts: 688
Loc: peoria il
|
it's amazing gonk, i'm talking about 160 amps here and you are on another thread talking about 15 amps! how can there be such a difference between the home and car power requirements. this is a good question if somebody really knows(and don't say cabin gain 'cuz if there is such a thing then why do i have to have 4 times as much in my truck compared to home in something 1/20 of the size)???
|
Top
|
|
|
|
|
#5683 - 11/24/04 05:47 PM
Re: Car Amplifier
|
Desperado
Registered: 10/25/04
Posts: 688
Loc: peoria il
|
i spoke too soon,i went out to have a smoke and started thinkin' DC and with the wattage and current ratings out of my home amp it kinda collaborates with my car amps
|
Top
|
|
|
|
|
#5685 - 11/24/04 06:10 PM
Re: Car Amplifier
|
Desperado
Registered: 10/25/04
Posts: 688
Loc: peoria il
|
|
Top
|
|
|
|
|
#5686 - 11/24/04 06:20 PM
Re: Car Amplifier
|
Desperado
Registered: 10/25/02
Posts: 466
Loc: IL
|
gonk, good explanations. This topic has really gotten going here. Do you guys seriously think he should use the batteries? How is he going to recharge them? I thought this setup was supposed to be an HT setup. Meaning he should be able to just plug it in and only have to turn it on and off, basically. Besides the tweaking of the settings he'll need to do I mean.
|
Top
|
|
|
|
|
|
0 registered (),
585
Guests and
1
Spider online. |
Key:
Admin,
Global Mod,
Mod
|
|
|
8,717 Registered Members
88 Forums
11,331 Topics
98,703 Posts
Most users ever online: 677 @ 09/27/24 06:41 PM
|
|
|
|