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Home theatre in a box speaker change able? - Page 3

post #21 of 28
Quote:
Originally Posted by bombastinator View Post

Does the bose have the same connector? I'm betting no. If yes (A) it will work, and (b) Bose should be embarrassed.

Why should Bose be embarrassed? Most of their stand alone speakers have standard connectors. Should some other company be blamed for someone else's proprietary connectors?
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post #22 of 28
Quote:
Originally Posted by Cavi Mike View Post

Speakers are speakers. They have a + and a -. It's as simple as that. Just because there's a funny plug on one end doesn't mean you can't use a different speaker on the other end.

Read my above post. His system is all 3ohm.
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post #23 of 28
Quote:
Originally Posted by TAr View Post

Hey guys
I bought a Sony 3D Home theatre in a box which is 1000 watts
If I buy Bose speakers will I be able to replace the Sony speakers with bose?
I don't want to buy receiver and run all the wires
I need to know if I can just connect the Bose speaker to the wires that I'm using now by just simply un plugging the sone ones.
Thanks

Does the 1000 watts have PMPO after them?

Some HTIB which have spring clip connectors and/or banana connectors can be upgraded.
Edited by sepiashimmer - 11/2/13 at 2:07am
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post #24 of 28
Quote:
Originally Posted by sepiashimmer View Post

Why should Bose be embarrassed? Most of their stand alone speakers have standard connectors. Should some other company be blamed for someone else's proprietary connectors?

Bose should be embarrased for sinking so low as to use them is all. Apparently they already did their sinking though.
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post #25 of 28
Quote:
Originally Posted by Cavi Mike View Post

Speakers are speakers. They have a + and a -. It's as simple as that. Just because there's a funny plug on one end doesn't mean you can't use a different speaker on the other end.

It does if they sunk them in a tiny tiny socket so you can't get at them. Which, knowing Sony, was the point.
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post #26 of 28
Quote:
Originally Posted by bombastinator View Post

Bose should be embarrased for sinking so low as to use them is all. Apparently they already did their sinking though.

Oh, you meant it like that. Sorry I didn't read your comment carefully.
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post #27 of 28
s'ok, i didn't write it very carefully either.
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post #28 of 28
I wouldn't worry about the impedance issue on the Sony speakers on other receivers. Receivers rated for 6 ohm loads will likely drive those "3ohm" sony speakers without any trouble at all, well enough that you would more than likely destroy the speakers before you would run the amplifier into protection modes. The biggest problem with trying to use a different receiver to power those speakers is NOT the impedance issue, rather it is the fact that the way to build a HTIB that sounds good but doesn't cost much demands that the central "hub" of the system be designed with a specific set of speakers in mind. No doubt in my mind that the box at the center of the Sony system is EQed to correct for response problems that normal speakers would correct for with expensive passive components. The Sony speakers may actually sound WORSE on another HT receiver unless the receiver in question has a response correction system to calibrate to the new speakers/room (like odyssey). Of course, this also means that connecting different speakers to the Sony HTIB unit may result in a pretty piss poor result as well.

A speaker that is a standalone product intended to provide a reasonably flat response given a flat input, can often only achieve this result with a fairly reactive passive crossover design. On a speaker rated "8 ohms" by a manufacturer, it is not uncommon at all to have Impedance minimas often dipping to 6 ohms or less (Even some "8ohm" rated B&W speakers have minimas below 4 ohm, for example), and more importantly: impedance phase (reactance) approaching 30-40 degrees or worse is not uncommon. The "8 ohm" ohm speakers from MANY manufactures, can actually cause power dissipation at the amplifier equivalent to a 3-4 ohm resistive load. In the case of the cheap plastic sony speakers that have been paired with what I believe to be an "active" solution to those response problems, likely has a minimal passive crossover (could be as simple as a cap and resistor on a tweeter, or nothing at all, the system could just be some full range drivers in towers). In any case, the result is that the load presented by the cheap Sony speakers is probably far less reactive than most traditional speakers. Simply put, an amp rated for 6 ohm speakers is actually already designed to handle the 3ohm *resistive* load because real world speaker loads can present the same dissipation as a 3 ohm load. Furthermore, I'm sure Sony went to great lengths to ensure that they included very heavy GA expensive copper speaker wire in their HTIB right?!?!?! Oh, no? Yea probably not. I'm guessing there's about 20-30ft or more of ~22GA on each of those speakers. The series resistance further suppresses reactance of the load and of course, increases the impedance anyway.


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