Celestion 4" closed back mid tested on S1 Synergy horn
Black: Hornresp sim
Red: Measured nearfield
The dip is not as pronounced when measured, and this remained true when the CD throat was blocked while taking the measurement, or left open. Either way there was little effect. Only one driver was used, so all of the ports were open. The top end extension is well predicted. The driver measures with more extension than modelled as well as a peak and dip that weren't predicted.
Black: Hornresp sim
Red: Measured nearfield
The dip is not as pronounced when measured, and this remained true when the CD throat was blocked while taking the measurement, or left open. Either way there was little effect. Only one driver was used, so all of the ports were open. The top end extension is well predicted. The driver measures with more extension than modelled as well as a peak and dip that weren't predicted.
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