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Old 23rd August 2014, 09:07 PM   #1
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Join Date: Feb 2011
Location: MN
Default Portable Speaker quasi stereo

I would like to try building a decent sounding portable speaker.
Using two 4 ohm tweeters and one 8 ohm woofer...
Can I use a crossover that is discrete L/R to the tweeters and bridges the L/R positive outputs to the single woofer?
Quasi- Stereo
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Old 24th August 2014, 12:12 PM   #2
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You could cut low in the crossover and use a DVC for the woofer.
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Old 25th August 2014, 01:10 AM   #3
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Location: Maine, Bangor-area
If the tweeters only carry stereo signals, then probably there will be little to no audible stereo reproduction. Also an adequate distance between a pair of drivers given L/ R signals, perhaps at least 3 feet, is a factor in hearing stereo.

My suggestion would be to replace the pair of tweeters with a pair of 3" full-range drivers.

Are you integrating the amplifier with the portable speaker? If so, a crossover network at line level, including mixing L and R bass signals (to be reproduced by the woofer) IMO would be the best route to follow.

The terminals of the woofer connected across L/ R positive terminals of the stereo power amp results in a difference signal to the woofer.


Last edited by cT equals piD; 25th August 2014 at 01:12 AM. Reason: to clarify
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