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Originally posted by JJJ:
why germany? that is where the bose company is located.
Actually, they are a Massachussetts based company which only has sales/distributions offices in Germany. The only European mfg operations are located in Ireland.

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But if you want a bose sub then it is there to be had......
First of all, I don't know anyone who would want one, second, AFAIK they do not have subwoofer mfg capabilities. The last I heard, they farmed out their driver mfg to speaker suppliers. My info is a few years old, though. Third, there is no way that 1500.00 buys you a one-off customized subwoofer.

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why are alpine my fav? Alpine has always been my favorite in car audio. All of my other speakers in my car are alpine but the subs. But as far as Subwoofers they dont hold up to the pressure or the air impendence as well as others.
Alpine is a very respected company. Good choice. Alpine doesn't have any subs that compete with the HX2 series of subs, at least spec wise. But they do make some nice sounding subs. What is air impendance?

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RF subs do out perform most in the category that they belong to.......SUBWOOFERS. they are not designed to do anything more than bass. They definately do not handle voice worth a damn.But they are designed for bass, and that is what they do...
Like I said before, there are a great deal of subs that will outperform anything that RF makes.

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For amps not being made for specific subs? That is incorrect......when a company makes an amp, they intend it to co-enside with a certain speaker. People have been matching amp's with what they want for years, and it will never stop. Nor would i ever suggest it stop..
You are absolutely wrong here. When an amp is designed, it is designed to acheive an uncolored flat frequency response. Not to work best with a certain sub. There maybe some wattage matching, but that is the extent of it. An RF amp will work equally well with a Alping, Adire, Blueprint, RF subwoofer.

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If you were to call RF.......and ask their design techs, what the amps were designed to be hooked to they will tell you RF subs...as will kenwood, polk audio, pioneer, lanzar, american legacy, and so forth.....Not saying they wont work just as well with other subs,,,,or vise versa....
Its called advertising. They want to push their own product. If you were to ask a amp mfg which sub works best with their amp, they would tell you any sub that will handle the power provided. If you went to Eminence and asked them which amps work best with their drivers, they will tell you any quality amp. If you went Pyle and asked them, they would tell you their POS subs work best with their amp.