Mrspeakers releases frequency response graphs of their headphones. If you look at their frequency response in particular the hd598 then it is quite similar to the holy grail stax sr009 headphones aside from the dip in the highs and limited bass extension well. The sr009 wins thanks to its realistic and lively presentation. The evolution of the original irreverent and irrelevant and nonauthoritative site for headphone measurements, i. Ssl0670 stax sr404 s 2742 stax sr207 sb 2217 stax sr207 ep507 leather pads sernum sb22217 stax sr40 electret sr4 adapter stax sr1 stax sr3 stax. After that turn off the pre eq and tweak a little bit balance afterwards. The stax sr 009 are a special type of headphones which youd be surprised to see are. Comparing worldclass headphones stax sr009 innerfidelity. These stax headphones excel because they are electrostatic, which have numerous. Stax sr009 stax sr009 ultra takstar pro 80 tascam th02 verum audio cskippy. Logged yeah, well, you know, thats just, like, your opinion, man.
The different headphones were presented virtually to listeners via binaural recordings of the headphones reproduced through a calibrated lowdistortion reference headphone, stax. The stax i thread page 32 super best audio friends. Pushpull open back circular electrostatic headphone. Measuring headphone frequency response part 2 duration. The best headphones ive heard are sennheiser he90, frequency wise they sound closest to a slightly. Deviations in different severities at different frequency bands have an effect on the sound character. Electrical impedance and phase measurements unavailable for electrostatic headphones. What slightly troubles me however is that the relative rise in the midhigh frequency response of the sr009 tends to emphasise the. Magnitude and phase spectrum graphs frequency response in signal and system dsp. Notice how short the length is to 1k vs a typical frequency response.
Stax sr009 limited edition 80th anniversary open back. Measurements report stax sr507 test and graphs reference. With the sr009, sibilance and percussive transients including clicks and ticks can be quite prominent. And ive always wondered the csd graph at time 0ms isnt the same as the frequency response graph.
It would help a lot if you could get your hands on a pair of big planars with linear bass response. First off all, id like to say that ive been out of it in terms of electrostatic headphones for a. I would love to hear your opinion of the utopia in direct comparison with the stax. The most obvious difference between the sr009 and the sr007a is in the midrange, where the sr007as subdued response gives them their dark and laidback sound, which of course some. Beware, im talking about the new l300ltd, more similar to the l700 not the original l300. Im also a bit more sensitive to the bass rolloff of the 207 than the graph indicates. If there are difficulties with the interpretation of the graphs, you can ask questions on the. Stax srs2170 sr207 earphone system measurements super. Pushpull open back circular electrostatic headphone frequency response.
What slightly troubles me however is that the relative rise in the midhigh frequency response of the sr009 tends to emphasise the sibilance that is also present in the sr007a, but never really intrusive. Im making an fr measurements database for headphones. Not much to it other than the title, does anyone know where i can get a frequency response graph for various stax headphones. Their bass delivery varies significantly, but the biggest variations were measured in lowbass, which these headphones already lack. Raw frequency response plots show some significant change in response between 200hz and 2khz with movement on head, the biggest range of change occurred between 1khz and 2khz. The stax srl300 have decent frequency response consistency.
Stax sr009 description released by stax recently mid2011, this is a fullsize open electrostatic headphone, which incorporates a numerous changes from previous models. The fr is like the branding at the side of the tub telling you the. In a subsequent session, we compared the sr003 and the sr009 using only the srm007t and the dp777 dac. Its presented differently, because the sr009 offer more separation in a wider space, while the sr007 keep all the sounds more focused to the center. I have heard of many sr009 and two other sr507 failures my sr507 did not experience any issues. A frequency response graph is not in any way an indication of good sound quality. Frequency reduction in db frequency response top compensated and averaged bottom raw data for five headphone positions5045403530252015105 0 5 10 15 20 10 100 0 00 frequency. Therefore, these variations shouldnt be that audible since these frequencies are already missing, to begin with. Introduction hearing the sr 009 and seeing all the highend estat amps at rmaf in october gave me the idea that it would be fun to do comparative listening session for a holiday season post. Stax srl300 stax sr009 stax sr009 sz92251 stax sr009 sz91278 stax sr009 sz91278 after burnin stax sr007 late mk1 sn sz11023 stax sr007 sz31576 stax sr507 se11049 stax sr404 ltd. For convenience of perception, the graph does not have vertical. Stax srmt8000 first impressions super best audio friends. The stax sr009 open back headphones feature a vast dynamic range, excellent tone quality and frequency characteristics from low to superhigh.
Its almost as if stax tried to cover up the shitty dynamics by making it super bright. Their bass delivery varies significantly, but the biggest variations were measured in lowbass, which these headphones. Wow so fascinating seeing the frequency response for some of these famously neutral sounding headphones. Ok, my new lcd2s have arrived, along with a graph showing. Measurements of stax sr507 were carried out by roman kuznetsov on the hardwaresoftware complex raa.
The correlation between distortion audibility headphones. Frequency responses show the range that headphones are capable of. The program material was selected for wide dynamic and frequency ranges to excite mechanisms in the headphone transducers that would cause distortion. For most here and that includes me this stuff is pretty much unobtanium, so i thought a dreamy little vicarious listening session through my words here might fit in nicely with all the other sugar plum. Another way i found that works for many people is to set up a pre eq that makes the frequency response should sound flat across the frequency range then eq the headphone using tone generator. The headphone frequency response graph shows us, in detail, the. Frequency response deviations, as well as phase response, are so called linear distortions. Magnitude and phase spectrum graphs frequency response. Anyone knows the frequency response of the stax l300. Measurements report stax sr40 srd4 test and graphs.
Listening to the stax sr009 and great headphone amplifiers. Intro the srs3100 system is a combo of the srm252s. Stax sr009 the stax are my reference but still not truly neutral. Just goes to show that a perfectly flat fr might not sound neutral to our ears, and what sounds neutral doesnt necessarily have a flat response. Anyone knows the frequency response of the stax l300 limited edition. Highend electrostatic headphone amplifiers for the stax sr009. While all of these phones are excellent and excel in certain areas, the sr009 is very. They are clearly talking about 5hz to 50khz specs that are nonsense. Frequency response again shows the step at 50hz, but this time smaller than on the 007. The lack of slam with the sr202 makes the hd600 have a more fun bass presentation, despite being more distorted.
I have heard the stax o2s a few times and they didnt blow me away but a longer audition would be required to form a true opinion. The sr009 is the product of repeated research trip to techology and material. Comparison the frequency response stax sr40 srd4 versus other models. As in the sr009, strictly selected thinfilm diaphragm as well as fixed electrodes machined through threelayer stainless etching using heat diffusion has also been employed for the srl700. Below an aid to help determining the sound character of headphones with relation to the frequency response.
Frequency reduction in db frequency response top compensated and averaged bottom raw data for five headphone positions5045403530252015105 0 5 10 15 20 10 100 0 00 frequency amplitude db title. Im certainly not going to argue about the 009 not being a bass monster, but this graph. It is the same, it just looks different because the scale is different. Thus rich deep bass response, delicate high frequency. When a headphone, speaker, amplifier or dac has little to no linear distortion the frequency. What slightly troubles me however is that the relative rise in the midhigh frequency response of the sr009 tends to emphasise the sibilance that is also present in the sr007a, but never. With the original pads the center frequency of the low shelf should be raised to near 55 hz or so i have not tried this. We made our comparisons using the amr dp777 dac, and two electrostatic amplifiers. Bass will likely suffer if your amp doesnt have the grunt. Im certainly not going to argue about the 009 not being a bass monster, but this graph seems a bit far from what im hearing. Phase response is not covered in this topic linear distortion does not produce new unwanted signals, contrary to nonlinear distortion. Stax sr009 open back electrostatic earspeakers from japan. The 003 are amazing, as they are the closest stax to the 009 tonally.
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