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    Is connecting 2 amps via their grounds a safe choice?

    My HT setup is a Onkyo NR555, with the subwoofer RCA output feeding into a miniDSP 2x4HD, which then outputs into a Yamaha R-95 stereo amp powering the subs. There is also a TV and PC on the same circuit. Only the PC has a 3 pin wall connection, and it is connected to the receiver via HDMI...
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    How much do drivers contribute to diffraction of each other?

    Specifically the mid-range and tweeter interaction. I assume woofer and mid-range interaction wouldn't have much effect. Just curious if this has been tested before, as it would add an unavoidable diffraction source. On paper you can achieve 9+ preference score even without coaxial drivers, if...
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    Anyone tested the SB NRX2 woofers?

    Looking at using the SB15NRX2C30-8 for upgrading my centre channel. The motor inductance being so low is promising, but I don't want to spend 78 Canadian peanuts only to find out it has some distortion problem. Already took a shot in the dark and asked the manufacturer for distortion data. That...
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