I was looking at the minima as well in a simulation, it is easier to see the LF maxima, which was lower for a 15 than an 18.
It seems odd that they would be like 10 Hz apart, rather than about 3 Hz different.
It is probable that the "V" throat stub on the much larger volume 18" changes things rather than the minimal path length difference, as the 18" version would be slightly shorter.
That said, I am more interested in FR than impedance curves, the TH-118 goes lower and louder than the TH-115 in the same size box.
What happened to this comparison, I'm a bit confused about this.
´Finding information on the ss15 was quite hard!
I found one comparison of sims and then I found two separate simulations & everything looks completely different
Here's a sim of ss15 with Kappa Pro Lf15-2, not 3015:
http://hornplans.free.fr/simu ss15 15LF2.gif
Tham15 sim is easily found.
If ss15 is +50L it should indeed play deeper or louder.
My friend is about to load two tham15 with fane 15xs.
I want to build a 12xb th, considering a tham12 mod or perhaps doing a "ss12"
´Finding information on the ss15 was quite hard!
I found one comparison of sims and then I found two separate simulations & everything looks completely different
Here's a sim of ss15 with Kappa Pro Lf15-2, not 3015:
http://hornplans.free.fr/simu ss15 15LF2.gif
Tham15 sim is easily found.
If ss15 is +50L it should indeed play deeper or louder.
My friend is about to load two tham15 with fane 15xs.
I want to build a 12xb th, considering a tham12 mod or perhaps doing a "ss12"
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