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Bought a DPA260A last week, for next to nothing. It was pulled out of a fixed installation after only 6 months (reason: too complicated ;)). Previously, I wasn't impressed by the sound quality and noise levels of most loudspeaker management systems. This one is very good! I'm using S/PDIF, so...

B&C: We use four different diaphragm materials: Mylar, pure Titanium, Polyimide, and High Temperature (HT) Polyester. Each material has its own unique benefits and qualities. Mylar allows for an exceptionally smooth transient response. Pure Titanium provides superb power handling and excellent...

Does anybody know the exit angles of the RCF ND950 1.4 and 2.0?

B&C DCX464 will probably be 2-3 times more expensive than the ND950. The driver is expected to become available at the end of June. Graphs:

Hi Peter, The guy who wrote the article (Christian Boche) chose the RCF because it's cheaper. He somewhere stated he could buy these for €170 each, which would be close to dealer purchase price. Obviously, your design is well thought out for the intended purposes: high SPL, pole mounted...

Here is a paid magazine article on a similar project, but with RCF drivers. This thread deals with the same DIY project, called PM90. (Use Google translate if you can't read German)

Dickason's measurements are better than most of the large format drivers he has tested. There's usable output above 10kHz and breakup doesn't look nearly as bad as some 3" diaphragm drivers. On speakerplans people have reported favorably on the sound quality and somebody posted a raw response...

Has anybody actually tested the HF950 with the RCF ND950, or used it in a project?