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Old 22nd December 2014, 04:13 PM   #1
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Default 2" driver selection help

I just built a Bluetooth speaker for my wife with a 20w amp and a alpair 7p. The box is approximately a 7 inch cube sealed. My wife has been complaining that it is not portable enough and at low volumes there is a bit of feedback.

She loves it when it is turned up though and we got a bunch of compliments at our Christmas party.

I am looking to build a smaller speaker. I already have a 10w amp and I am looking for the best lightest 2" speaker I can find in the 10-20 w range.

Size wise I am thinking a 3-4" cube sealed. price wise I am thinking $20-30
https://www.madisoundspeakerstore.co...-driver-4-ohm/

Does any one here have any thoughts or feedback on drivers in this range?
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Old 22nd December 2014, 04:26 PM   #2
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The 65mm square BMRs are worth a look.
I use 4 of them in ~2L ported, tuned ~150Hz. Big peak before rolloff gives the impression of having some bass.

A little distortion sets in early, but is tolerable until you're getting really loud.

Chris
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Old 22nd December 2014, 06:15 PM   #3
Pepe is offline Pepe  Sweden
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I've been curious about theese.
Tang Band T1-1942S Speaker Module Pair
And no need to calculate box size, port dimension etc.....
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Old 22nd December 2014, 06:30 PM   #4
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Agree with chris the small BMRs are a good choice. They work well in a small cab and will provide adequate enough bass for a portable speaker.
These are the ones I used
RS Components
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Old 23rd December 2014, 04:59 PM   #5
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I am not finding much on them state side. how about these? AuraSound NS2-326-8AT Whisper 2" Extended Range Speaker Driver 8 Ohm
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Old 23rd December 2014, 08:51 PM   #6
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How about these? Think also of perhaps two drivers stacked like some of the Bose satellite modules.

Tectonic Elements TEBM46C20N-4B BMR 3" Full Range Speaker 4 Ohm

Tectonic Elements HIBM36S05-8 Compact 2" Full-Range Square Speaker 5W 8 Ohm

Tectonic Elements TEBM65C20F-8 3-1/2" BMR Full-Range Speaker 8 Ohm

Jim

Last edited by Jim Griffin; 23rd December 2014 at 08:54 PM.
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Old 23rd December 2014, 10:38 PM   #7
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Celestion has some absolutely fantastic little 2" line array drivers and Dayton has a little ND that has monstrous bass for it's size.
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