Sapphire Series Questions: • What improvements are in the Sapphire XL? • Why are the correct stands so important for a speaker like the Sapphire XL?
Subwoofer Questions: • Down-firing vs. forward firing subs • What are the SPL measurements for ACI subs? • How do I setup and adjust a subwoofer in my system? • How does the Titan XL, Force XL, or Maestro XL match up with planars such as Magnapans? • What’s the difference between a sub built for movies and a sub built for music? • Troubleshooting hum or buzz problems with a sub • Can the Maestro XL be purchased without the electronics-amplifier?