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eklipz17 
Copper - Posts: 87
Copper spacespace
Joined: July 08, 2005
Posted: July 16, 2006 at 10:59 PM / IP Logged  

I have a couple newbie questions about components, so sorry if they're stupid.

I'm in the process of shopping for new components and an amp for them. I picked out a set of Boston Acoustics Pro60 that are 125wrms. Now, I always thought when a set of speakers says a certain wattage it means the pair are that wattage. I was told that it really means 1 speaker is __wrms and not both combined. Am I wrong this whole time or am I being told the wrong info?

Now, for the Bostons I was going to go passive and use the crossovers and amp then on a 2 channel amp. Then adjust the settings on the crossovers & amp. If I go passive do I need a 2-channel or 4-channel? (The Bostons come with 4 crossovers for each midbass and tweeter) I assume I needed a 4-channel but I was told I need 2 channel if I'm going passive. Which is it?

So after doing some research I might go active and not use the crossovers and just use my HU to adjust everything, but I'm not 100% sure what I want to do yet until I gather enough info. Going for a SQ set up, would my best bet to take the active route, or would passive be better? From the information I gathered, if going the passive way, it'll be harder to adjust the midbass and tweeter to where the midbass would sound sloppy and the tweeter could be harsh. But if I go active I could get a cleaner sound out of the comp. set. Anyone have any more info or opinions about this subject?

Thanks.

stormraider04 
Copper - Posts: 91
Copper spacespace
Joined: December 16, 2005
Location: United States
Posted: July 17, 2006 at 1:42 AM / IP Logged  
the rms is per speaker. so those speakers are 125w rms each.  how many sets of components are you running? are you saying you have 2 midbass and 2 tweeters and each comes with a crossover? normally you get one crossover for a midbass and tweeter. if only one set of components youll only need a 2 channel amp. unless you are running more then one component set. i have a 4 channel amp with components in the front doors and coaxials in the back doors.
eklipz17 
Copper - Posts: 87
Copper spacespace
Joined: July 08, 2005
Posted: July 17, 2006 at 2:21 AM / IP Logged  

I guess I was wrong. I always thought the RMS wattage of a set of speakers meant it was both combined since they come as a set. I'm only going to get 1 set of the Bostons for the doors, and I'm not doing a rear fill this time. Here's a link to the speakers. So I take it that a both speakers will be 250wrms.

http://bostonacoustics.com/car/car_product.aspx?product_id=296

There's 4 crossovers in that photo unless it's something else. I'm not familiar with comp. sets so any info about them will help.

Any info on going passive or active?

geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: July 17, 2006 at 6:29 AM / IP Logged  

The rms rating is for one midrange and one tweeter using the supplied crossover(s), since the tweeters cannot handle near the amount of power the midrange drivers can.

Also, the reason it looks like 4 crossovers is because it is.  Boston decided to split them up between highs and lows (my guess is for more mounting options).  You can simply snap them together, and connect internal jumpers so you don't have to feed signal to both sides.  This will be explained in your manual.

My ex once told me I have a perfect face for radio.
bigfoot286 
Copper - Posts: 53
Copper spacespace
Joined: April 22, 2006
Posted: July 17, 2006 at 8:04 AM / IP Logged  
or you can bi-amp them for more power.
spookiestylez 
Silver - Posts: 531
Silver spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: September 23, 2005
Location: Virginia, United States
Posted: July 17, 2006 at 9:36 AM / IP Logged  

eklipz17 wrote:
There's 4 crossovers in that photo unless it's something else. I'm not familiar with comp. sets so any info about them will help.

1 for each of the woofers and 1 for each of the tweeters, all of them have input and output terminals to give you more options.

Are you going to be installing these yourself? Since your not really familiar w/ components, there is a install video on crutchfield.com that can give you a better Idea. good luck

rtfm
eklipz17 
Copper - Posts: 87
Copper spacespace
Joined: July 08, 2005
Posted: July 17, 2006 at 6:49 PM / IP Logged  

Yeah I'm going to be installing these.

So if I were going to go passive with the bostons I'll need a 2-channel, but if I go active I'll need a 4 channel, right?

geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: July 17, 2006 at 8:49 PM / IP Logged  
Yeah, but I'd recommend using the supplied crossovers.  If you were to go active, you could easily overpower/fry the tweeters by hooking them to individual channels.
My ex once told me I have a perfect face for radio.

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