Trends of the speaker’s behavior more easily.
The advantage of these graphs is they can let us see broader Portray amplitude, and this allows the use of a purely angle/frequency axis Individual raised lines to illustrate amplitude, these polar maps use color to That can offer new insight regarding these speakers’ behavior. Show the same information that the preceding graphs do but depict it in a way The waveguide looks to be doing a good job of maintaining uniformĭirectivity over the tweeter’s bandwidth. The most accurate response occurs within this angle range,Īnd those who want the least coloration in the sound should have the speakerĪngled so they are listening to the speakers at a twenty to thirty-degreeĪngle. The thirty-degree angle holds the response tight within about a +/-1.5dB windowįrom 200Hz to 18kHz. Responses from twenty to thirty degrees fall within a relatively tight window. If one takes the time to look closely, one thing thatĬan be seen on the above graphs is that the elevated upper ranges do getįlattened out with respect to the lower range at off-axis angles.
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Information about how to interpret these graphs can be read in this article: Understanding Loudspeaker Review Measurements Part II. Speaker’s lateral responses out to 90 degrees in five-degree increments. Reliably equalized since its reflected sound should be a good match for its There doesn’t seem to be any directivity errors, and this speaker could be The good news is that there is good correlation between the on-axis responseĪnd off-axis responses which we can see in the smooth directivity indexes, so The problem is that a studio monitor should not be accentuatingĪnything. Instruments but doesn’t put emphasis on any single narrow range since it is allĮlevated. A response like this accentuates the upper harmonics of voices and Listening, although I did feel that the speaker did have a crisp and detailed The T7V would have a relatively flat on-axis If there is a slight shelf filter that bumps up the response from that point Overall response that occurs in the upper midrange, at around 1.5kHz. The chief problem is that there is a slight imbalance in the The response here isn’t perfect but it isn’tīad either. More information about the meaning of these curves, please refer to our article The above graph shows the direct-axis frequency response and otherĬurves that describe the speaker’s amplitude response in a number of ways. Measurements have been smoothed at a 1/12 octave resolution. Time window, some resolution is lost below 250 Hz and accuracy is completely Microphone, and the measurements were gated at an 11-millisecond delay. Was measured in free-air at a height of 7.5 feet at a 1-meter distance from the