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Hi - I know Bose isn't so popular around here, but I was toying with the idea of picking up a couple of their %22jewel cube%22 speakers to use with a subwoofer from another company, just out of curiosity. My worry is that the cubes would cross over too high. My sub only goes up to 150 hz. I am thinking of getting a new sub, but I doubt I would get anything that can be set higher than 200hz.
Anyone know about this? Many thanks!
Peter
Follow Ups:
Why not pick up some 3" full rangers such as some from TangBand. Look at partsexpress.com for a good list of them.
The Bose 2.5" cubes only go to 250Hz or 300Hz depending on how you look at it. The Bose 2.5" cubes also have a nasty peak around 5Khz which gives the impression of more detail at the expense of fatigue. These were given to me from somebody trying to convert me. The opposite happened and now he has some Ohm Walsh IIs hooked up and is quite happy.
I just compared the Bose 2.5" in the cubes to some 3" TangBand coated paper full rangers and the TB is much smoother and goes down a tad more. I only listened and have not yet measured the TB with my setup yet. Send me an email and I can send you my measurements when I perform them.
Bill
Believe-it-or-not, the cubes are rolled off at 250hz.
You would only need change two capacitors in a plate-amp crossover to make it go up higher, piece-of-cake if you can use a soldering iron.
Not a good idea.
Bose uses some pretty heavy equalization in getting those tiny satellites to blend with their dedicated subs.
"but I doubt I would get anything that can be set higher than 200hz."
Setting a sub to roll off in the 200hz range without some heavy equalization is going to be a sonic disaster.
Even then, I highly doubt one could even buy a sub with a built in x-over that extends that high. One would have to go the external electronic x-over route and then anythings possible but your still up against the equalization factor.
In other words, your wasting your time IMHO.
Cheers
I forgot about all the equalization they use.
Thanks,
Peter
Interesting. The electronics portion of these speakers is smoked so I cannot tell if there is electronics in there but I have to wonder if they are taming that wild 5Khz peak in there. If I measure the cubes on their own it's pretty bad.
I was actually going to create a passive filter for these for my friends who must use them. Looks like I need to investigate further before going forth with that.
Bill
Hi.
I don't know why the "specifications" shown on Bose website only show physical dimentions & weights of the speakers. Nothing on electronics. Probably they don't their customers know too much about the technical side of their speakers systems.
Their cube speakers are for mid-hi, so a significant part of the mid-lo & bass are all handled by the matching bass modules, which uses a few midrange-woofers (5"-6"?) with pretty high X'over frequency.
I don't think these tubes can match down to any standard subwoofer of 100Hz lo-cut frequency.
So forget Bose cubes. But if Bose is yr favourite, try other bookshelf type speakers from their range, which would go down lower to match your sub-woofer. But I would check with Bose directly to make sure.
c-J
... to userers and cheats and cheap-jacks; those who drink in contempt of joy.%22 - Basil Bunting(?) Northumbrian poet.
Thanks for the suggestions!
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