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Bose 901 design
Bose 901 design
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Old 1st April 2013, 01:21 PM   #31
901Fixer is offline 901Fixer  United States
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The Bose 901 never fails to bring folks together....albeit sometimes to argue, fuss and fight.

Your design sounds very interesting but unless there is an advantage to using the Bose drivers like price or availability, I'd definitely use something else. The FullRange world is ever expanding, quality going up and price coming down. With Tweeter and Woofer support you are really looking for more of an extended range mid which most FullRange drivers really are when measured.

I need to investigate this circletron amp and check out some of your other posts.
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Old 1st April 2013, 04:13 PM   #32
Inductor is offline Inductor  Portugal
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@DavidSchwab, +1 in '97/Baltimore.
Originally Posted by 901Fixer View Post
The Bose 901 never fails to bring folks together....albeit sometimes to argue, fuss and fight.

Last edited by Inductor; 1st April 2013 at 04:19 PM.
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Old 1st April 2013, 04:38 PM   #33
thoriated is offline thoriated  United States
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I noticed that Parts Express's Bose 901 replacement driver is rated at '0' mm excursion. Not my first choice for a full range driver unless I don't mind bass distortion.

Btw, before coming up with the 901 it appears Bose did a 12 face round 'speaker on a rope' prototype.

Last edited by thoriated; 1st April 2013 at 04:44 PM.
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Old 1st April 2013, 06:12 PM   #34
BlueWizard is offline BlueWizard  United States
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That's why I asked in one of my previous posts if MidMoe already had the drivers and whether they were genuine Bose or merely Bose like drivers. And of course what he did or what he will pay for them.

Depending on the budget, Dayton Reference Series makes 3" and 4" full range. From memory the 4" go down to about 100hz

Dayton Audio RS75T-8 3" Reference Full-Range Driver Truncate 295-336

Dayton Audio RS100-8 4" Reference Full-Range Driver 295-352

Tang Band also makes several nice full range speakers, or as full range as it is possible for a small speaker like that to be -

Tang Band W3-881SJF 3" Full Range Speaker 264-911

Tang Band W3-593SF 3" Full Range Silver Cone Driver 264-809

Tang Band W4-1052SD 4" Driver 4 Ohm 264-828

Tang Band W4-1052SDF 4" Full Range Speaker 264-913

Lastly I think we are all curious about you choice for that particular speaker design, and the unusual amp you mentioned.

Also, at a reasonably $20 each, 52 speakers are going to cost $1040, not to mention everything else you will need to support them. Are you sure that is the best way to spend over $1000?

Again, with no clear explanation as to the What and Why of this design, it is hard to give any productive advice.

Just a few thoughts.


Last edited by BlueWizard; 1st April 2013 at 06:14 PM.
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