Phase Coherent Base:
Thiel claims phase coherence of +/- 10 degrees. However, a review (Soundstagemagazine.com/measurements/thiel_cs16/, July 2002) of the Thiel CS1.6, shows that the phase angle varies +/- 45 degrees between 50 and 500 Hz. As I understand it, the compression in the box and the inertia of the woofer causes the phase shift.
OK! No box. An article on the Magneplanar MG 1.6/QR shows a +/- 40 degree phase shift centered at the crossover frequency of 600 Hz.
The phase shift includes serious changes to the 1st, 2nd ,and up, harmonics. The harmonics give the richness to the instruments. Drums may lose their impact, except in the fundamental.
My observation is that I have never heard a speaker match the live performance of an acoustic solo Trombone or kettle drum.
Question: What effect does this phase shift have on base definition? Is there a manufacture that has a speaker that is phase coherent in the base? Has anyone heard phase coherent base? If there is a phase shift and you can not go back in time, is it possible to phase shift the good guys to equal the sluggards?
Thiel claims phase coherence of +/- 10 degrees. However, a review (Soundstagemagazine.com/measurements/thiel_cs16/, July 2002) of the Thiel CS1.6, shows that the phase angle varies +/- 45 degrees between 50 and 500 Hz. As I understand it, the compression in the box and the inertia of the woofer causes the phase shift.
OK! No box. An article on the Magneplanar MG 1.6/QR shows a +/- 40 degree phase shift centered at the crossover frequency of 600 Hz.
The phase shift includes serious changes to the 1st, 2nd ,and up, harmonics. The harmonics give the richness to the instruments. Drums may lose their impact, except in the fundamental.
My observation is that I have never heard a speaker match the live performance of an acoustic solo Trombone or kettle drum.
Question: What effect does this phase shift have on base definition? Is there a manufacture that has a speaker that is phase coherent in the base? Has anyone heard phase coherent base? If there is a phase shift and you can not go back in time, is it possible to phase shift the good guys to equal the sluggards?