The tricky thing about putting them really REALLY far back is that these asymmetric waveguides have *wide* vertical directivity.He hasnt been on since 2017 so i cant ask him but JESUS!!!! How much is the lack of transition to the dash and the pedals causing reflection, going to affect the sound?
That seems counter-intuitive, because they're so wide *horizontally*, but these waveguide actually have narrow horizontal directivity and wide vertical directivity.
JBL uses the same idea and flips it 90 degrees in their Synthesis 1400BG speaker.
If you have a car where you sit low, putting them really far back could really push the soundstage back. Mic Wallace did that in his BMW, and I'd kill to have a setup like that.
But in a vehicle like mine (which I hate) where the driver sits very high, it's semi-impossible to push these kinds of waveguides back, because you'll be sitting in the "shadow" of the dash.
I came pretty close to pulling the trigger on a BMW 5 Series last week, and a big part of the reason is that it's just really hard to have speakers under the dash in a CUV. The damn seat is too high. I've looked into aftermarket seats or seat extenders, to no avail.
The other solution would be to push the waveguides way back and move them DOWN.
And, obviously, you'd want to agressively treat the surface under the dash, because the waveguide is going to illuminate it due it it's wide vertical directivity.
Why doesn't anyone run Image Dynamics HLCDs vertically?