I took a stab at estimating the trapezoid panel used on the Tide for the LM10n and simulated the response on Edge. It would seem this would work for 450-2500Hz. I need to run the simulation for 0-45°, and also run another simulation for an almost nude driver like @Juhazi AINOgradients.
But I thought I'd ask if you are spotting any flaw in this, before I spend more time doing those simulation?
But I thought I'd ask if you are spotting any flaw in this, before I spend more time doing those simulation?
https://audioxpress.com/article/tes...bbon-transducer-from-radian-audio-engineering
"Next, I mounted the LM10n ribbon in an enclosure that had a 18”×10” baffle and measured"
Horizontals
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I wouldn't use it below 3-400Hz as dipole in narrow baffle because of distortion. Distortion measurement of Tide is not public...
I really don't understand why Tide has so narrow band for the dipole cone driver and LR4. Using LR2 at 100/400Hz would give lower GD and smoother change from omni to dipole. I have tested many xo versions with AINOs...
"Next, I mounted the LM10n ribbon in an enclosure that had a 18”×10” baffle and measured"
Horizontals
'
I wouldn't use it below 3-400Hz as dipole in narrow baffle because of distortion. Distortion measurement of Tide is not public...
I really don't understand why Tide has so narrow band for the dipole cone driver and LR4. Using LR2 at 100/400Hz would give lower GD and smoother change from omni to dipole. I have tested many xo versions with AINOs...
Here's an attempt to model the Radian LM10n in a Tide-like baffle with Edge, measuring on the tweeter axis, and showing 0, 15, 30, 45 and 60 degrees:
Thank you. Yes, this is the test by Dickason I mentioned on posts #75, 92. I agree it seems best to avoid playing below 300Hz and I wouldn't know why the designer opted to start so lower and not extend the band for the dipole cone.
But totally agree and I plan to xo somewhere between 470Hz (where I cross today and where the natural SLOB rolloff happens) and 600Hz (eyeballing how high SLOB might work). By 470Hz the LM10n seems already in good shape.