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bryceyaworsky 
Copper - Posts: 152
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Joined: August 03, 2003
Location: Canada
Posted: August 16, 2005 at 10:48 PM / IP Logged  
does anybody have any experience with large power consumption (200 plus amps) for audio in a hybrid?  I'm not familiar with the new hybrids like the honda civic/accord, or toyota prius and I'd like to know if the car's battery is more sensitive to power demands other than the engine.  thanks.
haemphyst 
Platinum - Posts: 5,054
Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: August 17, 2005 at 12:46 AM / IP Logged  
"Do you have a hybrid?", is the first question I would ask. Second question would be "are you thinking about buiyng one?"
Most hybrids are two separate propulsion systems - internal combustion, and electric motor - attached to the same drive axle. When installing a system in your car, you will not be even touching the electric side. The alternator in a hybrid does not charge the battery for the electric side of the drive-train, it is charged by the electric motors being spun by the internal combustion gas engine, or possibly by regenerative braking. As I said, they are completely separate.
You will not likely be able to install much of a system at all in your hybrid car - they are built to save as much weight as possible - this includes the alternator. This means the output of the alternator is JUST enough to run the car's electrical system, and probably not much more. I have a friend in Ventura who has a Civic Hybrid, and his alternator is rated 55A, and it is TINY. They shove as much under the hood in those things as they can. Not much space left over.
In his car, when you come to a stop, the engine quits. No, really, it TURNS OFF. This means the alternator the DO put in will not be making any power at all, and if you were to be in heavy stop-and-go traffic, there is a good chance you could end up stopped. If you are running your stereo and pulling more than the alternator can replenish to the batter in 10 seconds of "go" time, your battery will slowly die - in traffic. Personally, I wouldn't buy a hybrid if my intentions were to add any kind of stereo at all.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
bryceyaworsky 
Copper - Posts: 152
Copper spacespace
Joined: August 03, 2003
Location: Canada
Posted: August 17, 2005 at 6:19 AM / IP Logged  

I'm thinking about buying one.

Francious70 
Silver - Posts: 629
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Joined: July 26, 2004
Location: United States
Posted: August 17, 2005 at 1:26 PM / IP Logged  
kfr01 
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Joined: April 30, 2003
Posted: August 17, 2005 at 3:57 PM / IP Logged  

If you really want to install a system in a car, think 100% class D.  Very efficient. 

A great option for mains is this amplifier:  https://www.the12volt.com/installbay/forum_posts.asp?tid=55765&KW=xtant+1%2E1

Go class D for the sub amp too, and you should be fine if you listen at moderate volume levels. 

New Project: 2003 Pathfinder

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