What speakers use a "minimal" crossover?
Anyway, I was wondering if anyone has any experience with other speakers out there that use a relatively simple crossover like the old Sonus Fabers?
I seem to remember reading that the Triangle Titus's use a simple order crossover. Anything else anyone knows of?
I know there are other ways to increase efficiency in speaker designs, but there are often compromises one way or other. And I always consider options.
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The Seas A23 kit uses a single capacitor, single resistor: https://www.madisoundspeakerstore.com/2-way-speaker-kits/seas-a26-10-2-way-kit-pair-based-on-the-cla... Of course, there are a number of "full range" designs which have zero electrical crossovers. One interesting approach lately is a WAWB - Woofer Assisted Wide-Band. This pushes the one crossover point down to the 200-300 Hz range. |
While a 1st-order crossover does require fewer parts (perhaps just a single capacitor and resistor) than a 2nd, 3rd, or 4th-order, a loudspeaker with a 1st-order x/o does not necessarily have a simple one. Thiels are often mentioned (as they are above), but they actually have very complicated crossovers. The reason is, their crossovers perform far more than mere 1st-order filtering. There are a great number of parts used to tailor, manage, and compensate for the characteristics of the drivers used in Thiel loudspeakers. Just look at a schematic for one! On the other hand, the Eminent Technology LFT-8b, which also employs 1st-order filters (one at 180Hz, another at 10kHz), contains only a few extra parts for driver compensation. That speaker’s x/o schematic is posted on the ET website. |
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