November 24 channel speaker audio quality with continuous improvement, a new generation of music lovers on the speaker's performance is also rising, more dynamic and .The speaker will be more suitable for low-distortion audio user's selection and use. .New HiVi D1080-IV is in line with the requirements of this new generation of active multi-media capable 2.0 speaker. .Here we will adopt a professional electro-acoustic measurement to fully demonstrate the excellent performance of this speaker; all of the following measurements were HiVi Asia's largest professional electro-acoustic anechoic room for. .
.


.

Swans D1080-IV
.


.

Tanner MC15
.

The first is the basic frequency response curve of the test, speaker frequency response is the most important parameters of electro-acoustic, the band at work is a smooth uniform response to the basic guarantee for the quality of the monitor speakers .. .Monitors the frequency response curve should be very "smooth", that is, as far as possible to prevent big ups and downs, the more flat curve means that speakers working band in response to differences in the frequency the smaller the reduction of sound is also more favorable. .The picture shows Swans D1080-IV using the built-in electronic filter and built-in power amplifier professional in the Swans anechoic chamber to measure the frequency response curve, testing high-frequency, low frequency set in the middle position. .
.


.

Swans D1080 IV frequency response curve
.

From the measured frequency response curve of the point of view, D1080-IV frequency response curve can be described as excellent, smooth and uniform frequency response, low dive up to 53Hz. .The main response frequency band score of 60Hz-20kHz (± 1.5dB), the full-band frequency response parameters of 53Hz-20kHz (± 3.1dB), to deal with such a frequency corresponding performance for desktop users of music / video / gaming applications can be .fully competent, especially in the low-frequency contrast music, video and game pieces can be large dynamic bursting with the perfect present. .
.


.

Tanner MC15 with the frequency response curves
.

Let us look at D1080-IV and the Tanner MC15 frequency response curves. .From 100Hz to 20kHz part of the curve are two excellent products. .D1080-IV bass extension than the MC15 wider, low dive to 53Hz (-3dB), MC15's low dive is 66Hz (-3dB). .Low dive as 5 inches bookcase box of the main bottlenecks, 53Hz to 66Hz 13Hz low dive between the value of this advantage is huge and obvious, indicating that D1080-IV can play an effective low frequency than the MC15's more, so use .D1080-IV, you can obviously feel the low frequency of dive ability, many of the MC15 can not hear low-frequency detail in the use of D1080-IV can be shown during playback. .
.

Dynaudio MC15 using 5.9 in. woofer, while the D1080-IV uses a 5.25-inch woofer to size in terms of a more low dive Tanner advantage. .However, MC15 with large voice coil woofer design, and quality of MSP diaphragm heavy, medium and small volume under the low-frequency near-field listening is not enough fullness. .D1080-IV uses LM5N woofer, with a lightweight and has good damping of the polypropylene diaphragm and a more generous discount ring more flexible, higher sensitivity, easier to drive in a small current, with power adequate electronic filtering .control amplifier output (4 TDA7296) and resistance Nepalese speakers do a close match, even under small volume to achieve a good level, filling low-frequency transients and the amount of sense. .This near-field environment to meet the multimedia needs of "small volume under a good amount of low-and high sense of" special sense of hearing requirements. .
.

Linear dynamic range is essential to consider the speaker one of the parameters, but also to monitor speakers output sound pressure level requirements. .It requires the speaker to have a big power carrying capacity, and large dynamic range and no work overload. .We demand that the speaker in a small volume to be full of all under-frequency performance, but also to pressure in a large dynamic real loud performance. .To ensure sound pressure output from a whisper to a loud pressure as possible to ensure consistent output when the frequency response characteristic, which is the speaker of the linear dynamic range. .
.


.

Swans D1080 IV curve of the output sound pressure
.

As a result of large dynamic long-throw subwoofer more emotion and power output of the drive circuit, HiVi D1080-IV has a very good linear dynamic range, maximum continuous sound pressure output more than 90dB .. .From D1080-IV output in an anechoic sound pressure measurement curve point of view, the output from 80dB to 90dB more output curve shape remains exactly the same output in loud low-frequency pressure overload has not been compressed phenomena, and to ensure that low-frequency .In real loud is not large dynamic pressure compress the full release. .And 90dB sound pressure is almost entirely acoustic anechoic chamber in the case of measured, if the general environment of sound reflection sound pressure will be greater. .
.


.

Tanner MC15 output sound pressure curve
.

MC15 linear output range to be even better, from the output sound pressure curve we can clearly see, MC15, when the frequency response at 90dB still ensure smooth natural features, tested .The continuous output sound pressure up to 95dB or so, but after more than 95dB will be "low-frequency limit set compression circuit" protection, high-frequency sound pressure continue to enhance and maintain the low frequency of about 95dB. .This design allows speakers to avoid distortion and damage to extended devices. .
.

HiVi D1080-IV and MC15 are advanced professional active electronic crossover design, in the 2kHz crossover settings are the following, this allows the tweeter from 2kHz-20kHz covering the whole spectrum, .effectively enhance the listening in the high-frequency texture. .
.


.

Swans D1080 IV crossover curve
.

HiVi D1080-IV crossover point at 1.8kHz, tweeter and woofer are very narrow band of overlap, only from 1.5kHz to 2.3KHz. .Narrow as possible to avoid the frequency of coincidence of two segments of different sounds to bring the unit to listen to common sense playback differences, enhance the speaker's tone of expression. .
.


.

Tanner MC15 crossover curve
.

MC15 around the crossover point at 1.35kHz, lower than many HiVi D1080-IV, demonstrating Tanner MC15 tweeter performance. .Frequency overlap region is wide, roughly at 1kHz to 4KHz. .
.

Frequency adjustment function is necessary for a new generation of active multimedia speakers, in the premise to ensure high-quality playback allows users according to their preferences and listening environment to do a small range of precision tuning. .
.


.

Swans D1080 IV high-frequency adjustment curve
.

HiVi D1080-IV high-frequency adjustment curve, the user can according to their own listening habits and environment of 2kHz-20kHz acoustic level of the high frequency band +1 / 0dB/-1dB precise frequency adjustment. .
.


.

Swans D1080 IV high-frequency adjustment curve
.

HiVi D1080-IV low-frequency adjustment curve, adjust the starting point for the low-frequency 100Hz, can be 0dB / +2 dB/-2dB frequency adjustment. .Tanner MC15 more comprehensive regulatory function, in addition to the regulation of high frequency and low frequency outside the IF can be adjusted. .
.


.

Tanner MC15 frequency adjustment curve
.

Dynaudio MC15-frequency adjustment curve, you can easily adjust the frequency response, adjusting the frequency of 2kHz-20kHz, the adjustment of +1 / 0dB/-1dB. .
.


.

Tanner MC15 frequency adjustment curve
.

Frequency adjustment is often used in monitoring the application of the regulatory function, the role is that when faced with speakers placed in the corner or a reflection of the desktop environment more, because sound waves caused by the reflection in the band .the role of an environmental gain. .Slight attenuation of the IF to ensure the actual frequency response of straight and effectively enhance sound clarity. .MC15 has a wealth of frequency adjustment function to regulate the frequency at around 500Hz, can be 0dB/-2dB/-4dB precise frequency adjustment. .
.


.

Tanner MC15 low-frequency adjustment curve
.

Dynaudio MC15 adjusted basis points for the low frequency of about 100Hz, the same can be 0dB / +2 dB/-2dB precise frequency regulation. .
.

Point of the monitor speakers is also very important in terms of one of the parameters used in this measurement point of the LMS for testing, and joined the positive / negative vertical point test to .more intuitive evaluation of the speaker's directivity. .
.


.

Swans D1080 IV curve is vertical directivity
.

This is HiVi D1080-IV test positive vertical directivity, red / blue / green / purple curves were measured angle is 0 degrees / 10 degrees / 20 degrees / 30 degrees. .Frequency response at 10 degrees when the performance began to decay angle, the angle increased to 20 degrees without significantly increased after attenuation. .
.


.

Tanner MC15 is the vertical point of the curve
.

Dynaudio MC15 is a positive point of the vertical test, the vertical directivity is equivalent to the human ear above the listening position tweeter speakers, the higher the angle the greater the listening position. .Red / blue / green / purple curves were measured angle 0 degrees / 10 degrees / 20 degrees / 30 degrees. .We can see that MC15-time curve at 10 degrees angle decay is extremely small, only about 2dB; increase in the angle to 20 degrees and 30 degrees, the frequency response performance degradation. .
.

Should be noted that most of the vertical directional speakers are not ideal, either MC15 or D1080-IV or other models, which means that when using the speaker because of the user's ear .level at or below the tweeter, this will ensure the most accurate and beautiful to hear the sound. .
.


.

Tanner MC15 negative vertical point of the curve
.

Dynaudio MC15 is a negative point of the vertical test, the negative equivalent of the human ear vertical directivity tweeter speakers in a position lower than the listening, the lower the angle the greater the listening position. .Red / blue / green / purple curves were measured angle 0 degrees / 10 degrees / 20 degrees / 30 degrees. .We can see MC15 at 10 degrees and 20 degrees angle is very small when the attenuation curve, respectively, only 1dB and 2dB, at 30 degrees, the frequency response performance declined slightly but still maintain a high standard. .
.


.

Swans D1080 IV curve of the negative vertical directivity
.

This is HiVi D1080-IV test negative vertical point, the red / blue / green / purple curves were measured angle is 0 degrees / 10 degrees / 20 degrees / 30 degrees. .As a result of more advanced acoustic horn, we can see HiVi D1080-IV vertical directivity of negative test results is very good, 10 degrees and 20 degrees in the angle-time curve basically no attenuation, angle of 30 degrees after a slight decline in performance .. .To 15kHz for the calculation of the reference point, then, when the 30-degree angle HiVi D1080-IV of the attenuation of 4dB, while MC15 is 9dB, the former negative vertical directivity even better. .
.

Point features related to the speaker level stereo playback sound field in the wide degree and depth, audio and video are clear, the sound level of detail orientation and other aspects, to evaluate a speaker's main measure of .one. .
.


.

Tanner MC15 level point of the curve
.

Dynaudio MC15 level point of the curve is more remarkable, from 0 degrees to 15 degrees declination angle did not change when the basic frequency response, in 20 degree angle starting at 5kHz high-frequency attenuation above, .attenuation at 15kHz is 5dB; 30-degree angle at 5kHz-20kHz attenuation trend has gradually increased, 15kHz at the decay of 10dB. .
.


.

Swans D1080 IV level point of the curve
.

Thanks to the acoustic horn design, HiVi D1080-IV level of performance has been impressive point of the curve, when the 20-degree angle at 15kHz attenuation of only 4dB, when in 30-degree angle .attenuation at 15kHz is 7.5dB, and the smooth extension to 20kHz without attenuation. .
.

After a detailed comparison of electro-acoustic parameters, not to prove D1080-IV even better than the MC15, but by objective acoustic data on HiVi D1080-IV to achieve the performance level. .Level as 12,000 yuan MC15 powered speakers do have good sound quality, especially the superior high-frequency texture, acting freely and better low-frequency characteristics of the output dynamics; price of 780 yuan D1080-IV will have a better .low-frequency extension, a small volume under the low-frequency linear output advantage. .Feeling of solitude between the two different high-frequency, MC15 uses a soft-dome tweeter is more soft and delicate sense of hearing, and D1080-IV brought hard-dome tweeter is a more delicate sense of hearing and excellent resolution of detail. ..

Total 1 1/1 Page