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Posts by briskly

Basically, all the stuff shotgunshane said. You could have gotten the Fiio EX1 for a lower price which is pretty much the same thing as the Titan 1.   Don't you already have the RE-600? Why would you order the very similar sounding RE-400? It won't fix the bass woes you had on RE-600, and likely still be too dull.
Titan 1 insertion depth by Tyll seems unrealistic. The large body makes a fit at the reference plane (bony part of the ear canal) very difficult, so the peak goes down in frequency.Here's what happens as you move Titan 1 away from the reference plane. Note that this is raw data, using a comparable ear canal simulator to Tyll's.Canal resonance is a pesky thing, isn't it?
Tyll's measurement on my IM02 puts it as a very sensitive IEM, and thus very sensitive to hiss and noise. BA superior sensitivity makes them more prone to hiss in general. Impedance and power at one point doesn't tell you very much, since the crossover turns the impedance curve into a roller coaster. The noise would hopefully be given by SNR/Dynamic range compared to output value, explicitly stating the actual noise level as a voltage makes it even more...
Pfft. Science doesn't save you money. Just look at Tyll and his measurement gear. He could have the new Orpheus with money left over for cable risers if he didn't buy into that science crap.
 As for variation between listeners, the curve represents an average result.
All those questions and more have answers you can find on Sean Olive's blog, and this freely available summary of his more recent publications. The charts are taken directly from the publications.   The -9 dB slope is observed end-to-end deviation from the flat equalized speaker response. It wasn't explicitly about DF, but they noted the flat in-room response resembles diffuse-field response as measured by the GRAS 45CA with pinna simulators.
By "perceived frequency response", the data is plotted based on adjustments made to the raw data that Goldenears feels is best, like Tyll does with innerfidelity and his compensation there. The raw data is plotted below and that data is somewhat comparable to Tyll's raw, at least as much as smoothing allows. Dashed line is their earphones target as shown here with Angie.
If you found RE600 that bass light, ER-4P would be even worse. I do recall you stating some similar concerns about the ER-4 from a brief impression, specifically with the anemic bass response. To quote your site:How much can taste change in five years? Now if you're referring to the Tyll's measurement of the ER-4PT and the peak it shows between 8-9 kHz, that peak doesn't have to exist at that frequency range. With a sufficiently deep insertion, that range can be recessed...
Moving around the driver units in a tiny little shell is not going to affect the bass. Everything below 1 kHz for an IEM is dependent on pressurization,and the millimeter-range difference in placement is for the upper frequency range. 7 o'clock on the Layla universal seems similar in level to Etys, which are close to DF flat. I liked that about the Layla's low end
Thanks for the correction. DC resistance of ED-29689 is supposed to be 3.7 ohms, so 4S would be a 100 ohm resistor.   The point is to use a small resistor that doesn't make whatever adapter plug you want to use too bulky.
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