How to set a subwoofer’s crossover

August 10, 2018
 by Paul McGowan

When setting a subwoofer up should its frequency limits match those of the main speaker or lower or higher? This is a question asked a lot and Paul helps us understand the intricacies of the all-important setup process.

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One comment on “How to set a subwoofer’s crossover”

  1. Hi Paul, been a while since I replied to a post. I’ve been busy doing experiments with very small but rather high resolving speakers in a near field setup. After maximizing response and imaging through placement and seating and tube rolling (yes tubes) I ran across some little sub woofers I had from years ago. I added them to the system and after a few weeks of adjusting and placement experiments they were absolutely the greatest improvement next to the upper orchestral strings improved by bias setting on the power tubes. After years of huge speakers and huge power which were near impossible to move and experiment with this little system has allowed me to work with some of the stuff I’ve learned on these casts and posts you have put out for us. And my subs are so transparent that I often reach down and touch the speaker to see if it’s actually on, yet switch them off and hear how thin the overall sound gets. And the sound field from the tiny speakers, Celestion Model A compacts, when placed well and listening position optimized with advice from some of your previous posts, is just extraordinary. The sad part is it is a one person system, as I have it now and can’t be shared easily. Now to put what I have learned to the big system. But’s that’s for another day. Thanks for all your help and I hope to be well enough to come see your new facilities when you have an open house.

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