On Mon, Jul 01, 2013 at 09:29:53PM +0000, Fons Adriaensen wrote: > The only thing that has happened to the installation over > the last years is that some of the Behringers failed (power > supply blown up, one per year on average) and were replaced. > So I checked those separately. And yes, some of them had their > output phase inverted w.r.t. the others. Apparently the thing > exists in two versions, but apart from measuring there's no > way to tell which is which. So I'll have to recheck things > each time any of them are replaced again. Thank $GOD we didn't > use those for the WFS system.
This is appalling, but I'm aware it happens sometimes. I've observed a similar thing with Chinese condenser microphones, including some relatively expensive ones. Now I always check polarity against a known good mic whenever I buy a new one. Looks like I'll also have to start checking other gear. Thanks for the warning. John _______________________________________________ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev