Anyone know the Shahinian Diapason Ensemble????

Yep, I've designing and building speakers for 30 years so maybe that is a factor.  I've had some conversations with Vasken and he has been very helpful.   When I brought up the price of the passive radiators he said he dully understood and they are not in the business of selling parts.

All that said, I was just wondering what other owners thought about how to set these up and how much power they need.

Since I posted the first post I've come to greatly appreciate the clarity,  detail, room filling sound.  No what I am use to but I like it more and more each day.

I'm driving them with my Bedini 150/150 MKII amplifier with passive preamp.  I'm going light on the volume because all 4 PRs are gone.

Wow, I wish I could figure out how to edit my posts. Ignore all the mistakes.

On option would be to contact Bill at Millersound and see if he can rebuilt your passive radiators.

What is confusing is if you can purchase the radiators new for $20, why not just purchase 4 new replacements and be done for $80?

Why not call/email Shahinian?
They are still in business. You can also question them on the cost issue while you are at it.
It seems a fair question, but there might be reasonable answer.
B

I have always enjoyed the "presentation" (sound stage, imaging) from omnidirectional speakers. I am familiar with the various permutations the Ohm line, and I was a dealer for Larsen speakers for several years. I am still enchanted by my Shahinians. I think they sound closer to live acoustic music than any other speakers I have owned or have significant experience with.

I recently purchased the Hawks because, as much as I enjoy the Obelisks I wanted more. OK, I'm greedy. I imagine that your  Diapasons will provide even more goodness. What size room are you placing them and how are you positioning them?

Another reason is that I really want to biamp these speakers, which isn't possible with the Ob 1s. My Hawks need to be restored, so they will be going to Long Island shortly. But my tests so far indicate that the top cap (midrange and tweeters) is less efficient than the woofer in the bass cabinets. So my initial idea of running a moderate (40Wpc) tube amp on the top and a SS amp for the bass cabinet may not work out as planned. We'll see after they come back from restoration.