Thank you for all the kind recommendations, although I might accentuate that I'm looking for a suitable cabinet idea for the Rullit field coil driver.
Atelier Rullit field coil driver
Hello everyone
I'm seriously considering purchasing a field coil driver from Atelier Rullit.
It appears that Rullit field coil drivers are adaptable through field coil voltage adjustments and that they are not inherently restricted to a certain cabinet. Even though field coils are versatile and flexible I still believe it's paramount to install them in a cabinet accommodates the drivers in the best way possible and a cabinet that suits my room.
Allow me to introduce my listening environment: I reside in an historic manor apartment where my dedicated listening room measures 25 square meters (5 × 5 m) with ceilings approaching 2,7 m in height. I principally enjoy classical and jazz repertoire, ranging from solo recitals to chamber and full orchestral works. As an amateur pianist, I prioritize a natural sound—one that offers holographic depth, dimensionality, and body—while presenting a rich, organically pure tonal palette. Mr. Rullit’s drivers admirably embody these characteristics with their transient speed and natural timbre.
I have read that following cabinets can be relevant and I have allowed for some personal reflections for each choice:
Front loaded horn
This would be a great idea however it seems that in order to get a good result I would need quite large horns and perhaps too large for my living room.
Another thing to think of is that I would probably need an augmented bass solution.
Dipole
A more compact solution that would blend in nicely with my interior however there could be an idea in not putting the exquisite driver in a box.
Resonant cabinets
I don't have any experience with these cabinets and I would probably need a professional cabinet designer (and a larger budget) to facilitate this solution.
Other horn designs
My naivety allows for rather crazy ideas and I thought freely that I could just combine plans of La Scala (Klipsch) as the bass idea with some of the bone white horns from Le Cleac'h. I don't know why but perhaps you can offer your commentary on this solution.
If anyone has experience with this or perhaps have some recommendations for cabinet designers etc., I would highly appreciate it.
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The appropriate cabinet will depend on the specific design of the driver. The manufacturer can tell you if it is designed for open baffle, sealed cabinet or bass reflex and the appropriate cabinet volume. Drivers don't behave ideally in different types of systems, although manufacturers may make different models for different uses. I heard that driver in two different systems, both were open baffle. Also, a local speaker builder who uses field coils in some of his builds has encountered problems with overheating when field coil drivers were used in closed cabinets. That is probably another thing to ask the manufacturer about. Audio Note makes a seal cabinet speaker (AN-E) with both the woofer and tweeter being field coil drivers, but, they claimed that keeping heat down to acceptable levels was a major engineering challenge. |
@apollinaire head over to WBF and you'll see a great thread about Rullits. A friend of mine has the 9 inch Super Aero, and i've heard them in an open baffle and they were superb. He's now working on horn loading them. |
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