Hi,
Do co-axial drivers like this https://redcatt.net/html/cn/details344.html have have any chance of having good smooth polars?
Warm Regards,
WonderfulAudio
Do co-axial drivers like this https://redcatt.net/html/cn/details344.html have have any chance of having good smooth polars?
Warm Regards,
WonderfulAudio
Possibly, I imagine it will depend somewhat on the cabinet baffle and position of the driver on that baffle.
This might be useful in terms of getting a better understanding, approximation of how the HF behaves.
https://audioxpress.com/article/test-bench-the-140fcd-1-compression-driver-from-redcatt
Yes, I know it is not the same waveguide shape, however it shows what they can achieve in terms of driver and horn design.
This might be useful in terms of getting a better understanding, approximation of how the HF behaves.
https://audioxpress.com/article/test-bench-the-140fcd-1-compression-driver-from-redcatt
Yes, I know it is not the same waveguide shape, however it shows what they can achieve in terms of driver and horn design.
The Redcatt 12" co-ax horn profile looks similar to the B&C12FHX76.
It's polar response might be similar:
That said, Redcatt not including polars with the CX12F-140F specifications is not a good sign that they are smooth.
Art
The waveguide will be relatively small for what it has to do. There will need to be a tradeoff between control and termination.
Yes, they can have good polars. What they don't have is a smooth top end without equalization. They are often much smoother off axis than on. The ones with separate waveguides suffer from minimal termination on the waveguide. The ones that use the woofer cone as a waveguide will suffer from excessive woofer cone excursion, if it is allowed to happen. Look at the various Kefs and Sigbergs and tell me they don't have good polars.