The off-axis response of early generation Magico speakers was nothing special. Here are Stereophile's normalized horizontal off-axis curves for the Magico V3, and the radiation pattern mis-match between the 6" midwoofer and 1" tweeter in the crossover region is pretty obvious. We see the midwoofer beaming in the 2 kHz ballpark, and then the tweeter's WIDE off-axis response at the bottom end of its range, peaking at about 3.5 kHz:
We also see the ring radiator tweeter beaming pretty badly, which they tend to do.
But then something happened. Alon Wolff made some dramatic improvements, as you will see. Here are the normalized horizontal off-axis curves for the much more recent Magico M2, which uses a 6" midwoofer just like the V3, and a 1" soft dome tweeter:
GONE is that severe radiation pattern discontinuity in the crossover region!! Now ONE reason for the visible improvement is that the scale is changed - the M2's off-axis curves only go out to 45 degrees, whereas the V3's off-axis curves went all the way out to 90 degrees. BUT STILL if you pick out the 45 degree curve on the V3, that radiation pattern discontinuity is obvious.
Let's look at another recent Magico, the S5 which likewise uses a 6" midwoofer and a 1" dome tweeter:
Once again the scale is different, this time it only goes out to 30 degrees. BUT there isn't even a HINT of any radiation pattern discontinuity between the 6" midwoofer and 1" dome tweeter!! And again if you look a V3's 30 degree curve, the discontinuity is obvious.
Anybody have any guesses or ideas or theories as to how Magico is now able to transition from a 6" midwoofer to a 1" dome tweeter in the M2 and S5 WITHOUT having any radiation pattern discontinuity, such as was seen in the earlier V3?
Thanks!
We also see the ring radiator tweeter beaming pretty badly, which they tend to do.
But then something happened. Alon Wolff made some dramatic improvements, as you will see. Here are the normalized horizontal off-axis curves for the much more recent Magico M2, which uses a 6" midwoofer just like the V3, and a 1" soft dome tweeter:
GONE is that severe radiation pattern discontinuity in the crossover region!! Now ONE reason for the visible improvement is that the scale is changed - the M2's off-axis curves only go out to 45 degrees, whereas the V3's off-axis curves went all the way out to 90 degrees. BUT STILL if you pick out the 45 degree curve on the V3, that radiation pattern discontinuity is obvious.
Let's look at another recent Magico, the S5 which likewise uses a 6" midwoofer and a 1" dome tweeter:
Once again the scale is different, this time it only goes out to 30 degrees. BUT there isn't even a HINT of any radiation pattern discontinuity between the 6" midwoofer and 1" dome tweeter!! And again if you look a V3's 30 degree curve, the discontinuity is obvious.
Anybody have any guesses or ideas or theories as to how Magico is now able to transition from a 6" midwoofer to a 1" dome tweeter in the M2 and S5 WITHOUT having any radiation pattern discontinuity, such as was seen in the earlier V3?
Thanks!