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crichols82 
Copper - Posts: 83
Copper spacespace
Joined: June 30, 2003
Location: United States
Posted: September 09, 2003 at 6:46 PM / IP Logged  

what do you installers do when someone comes in with a newer car with a factory bose system.....Ive noticed alot of Nissan and Mazda's with the Bose speakers and setup, and since they are 2 ohm, it must be difficult to hook up if not impossible to connect to a aftermarket HU.  Also, Bose makes some very good quality stuff, so how come after market speaker manufacturers dont make 2-ohm speakers? Just some questions for people to debate over

ricetech 
Copper - Posts: 64
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Joined: December 10, 2002
Location: United States
Posted: September 09, 2003 at 7:15 PM / IP Logged  
Well in my humble oppinion bose makes 2 ohm speakers so you have to use bose equipment. i am also guessing that aftermarket speaker manufacturers dont make 2 ohm speakers because only bose HU's will drive them without a problem. and if your going to spent the extra money to put in aftermarket speakers you will most likley trash the low power factory HU. Just one guys oppinionBose question -- posted image.
crichols82 
Copper - Posts: 83
Copper spacespace
Joined: June 30, 2003
Location: United States
Posted: September 09, 2003 at 8:08 PM / IP Logged  
haha okay....so what is the deal with bose anyway is there stuff actually better? or do you you only pay for the name?
ricetech 
Copper - Posts: 64
Copper spacespace
Joined: December 10, 2002
Location: United States
Posted: September 09, 2003 at 8:51 PM / IP Logged  
well that is a tricky question. in bose home theater products the quality and depth of sound primarily comes from the enclosure of the speaker. if you get a chance check out the design of bose's subwoofer enclosure. It is definetly non-conventional. However if you look at the absolutly absurd price you would pay for a bose system... you can probably see where i am going with this. Anyway to relate this back to car audio the factory installed bose products have no fancy enclosure so the bose name isnt the quality people expect, at least in the 12 volt arena. Dont get me wrong the bose systems sound a hella of a lot better than the stock trash, but for the price of the option i would rather go all aftermarket. but an oppinion is like an a$$ hole...everyone has one
Sweekster 
Silver - Posts: 481
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Joined: May 13, 2003
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Posted: September 09, 2003 at 9:18 PM / IP Logged  

It's not that their stuff is better, it's simply because their uses less resistance.  Since Bose systems work off a 2 ohm load and  most aftermarket and non "premium sound" systems work off a 4 ohm load bose can do more with less.  Most bose systems are based on the "infinite baffle" theory in that the speaker is smaller inside an amplified enclosure.  Usually you can get an adapter that will allow the use of aftermarket amps and speakers with a bose head unit.  You "can" hook up a 4 ohm speaker to bose system but you will not get very much volume from it.

Usually, if any part of a bose system goes out (for example, one of the amps), you have to replace every component.  Some cars are more troublesome than others (I feel bad for those of you with 93 to 97 Mazda Rx-7's- that wave tube can be a real problem).  So what you really are paying for is a compact system that can put out pretty big sound (sort of).

Duane...
If you think you're confused, imagine how you feel.   Bose question -- posted image.
crichols82 
Copper - Posts: 83
Copper spacespace
Joined: June 30, 2003
Location: United States
Posted: September 09, 2003 at 9:33 PM / IP Logged  
okay, since 2-ohm speakers are more efficient, how come speaker manufacturers havnt picked up on this? its common for subs to have a 2 ohm voice coils so that they can be more efficient......
Sweekster 
Silver - Posts: 481
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Joined: May 13, 2003
Location: United States
Posted: September 10, 2003 at 9:44 AM / IP Logged  
They have picked up on it.  But the thing is, less resistance equals more heat.  Usually, a DVC sub needs to be powred by an amp that is 2 ohm or 1 ohm stable.  A bose system is already calibrated in regards to that.  That's why the after market and non premium sound system operate at 4 ohms.
Duane...
If you think you're confused, imagine how you feel.   Bose question -- posted image.
italnpimp59 
Silver - Posts: 427
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Joined: August 26, 2003
Location: United States
Posted: September 10, 2003 at 8:03 PM / IP Logged  
the bose systems sound great...and not all of them are 2ohm speakers.   i worked on a camaro last week that the front two bose speakers were acutually 4ohm.  we just had to bypass the amp in order to use the alpine head unit i installed in it.  but then the rear speakers were 1ohm so we replaced those.   bose systems can be very tricky ESPECIALLY the mazda rx7's with that ridiculous wave tube that duane mentioned.  with almost all bose systems, if you replace the head unit, all the speakers have to be replaced and the factory amps bypassed. 
auex 
Platinum - Posts: 5,041
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: September 10, 2003 at 8:51 PM / IP Logged  
Did crichols82 really say "Bose makes some very good quality stuff"? That is funny.
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crichols82 
Copper - Posts: 83
Copper spacespace
Joined: June 30, 2003
Location: United States
Posted: September 10, 2003 at 11:16 PM / IP Logged  
actually I meant to phrase it as a question I just typed it wrong....I dont really know anything about their setups I was just trying to learn a few things here....
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