I received these in a few days ago. I was asked by a Facebook group, Indiana Sound Quality, to test and evaluate them. And give my feedback on them. When I am finished, ISQ will host a drawing for a lucky member of their board. Note that these are designed with an active car audio build in mind. But being myself, I can't leave well enough alone, I am going to work out a passive home audio design.
The build quality of the drivers is very good, and at the price point ($629.99 for the set thru the US distributor, SLA Acoustics). There is a lot of very thoughtful engineering though. Ample cooling, very closely matched sensitivities, generous overlap in flat freq response, multi hole mounting on the Ram6a woofer. Excellent packaging.
The only caveat I can say so far, is the lack of any literature. But these are not really designed for a beginner either. Still i would appreciate pertinent specs such as the frequency response, T/S parameters, and mounting dimensions. Yes the info is easily accessible on line, but I still prefer paper in hand. I'm just old that way.
T/S parameters will be taken soon and then I will model and build an enclosure and take frequency response measurements.
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I will be testing the ram 3 and ram1 soon. I tested a prototype of the ram1 earlier this year. great tweeters with an imp profile that is nearly flat almost like a ribbon or amt.