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Fair enough.It's not a need, it's a want. To plug into the 2.5mm balanced jack on my Onkyo DP-X1 like I have with all my other IEM's.
Fair enough.It's not a need, it's a want. To plug into the 2.5mm balanced jack on my Onkyo DP-X1 like I have with all my other IEM's.
I've seen this in other thread but haven't gone into details yet. Are these 3 clone coupler samples? Were they measured using provided calibration data? Сan you tell a little more about this?@vitalii427 FYI, here's how these clone couplers compare to a genuine GRAS ra0045:
Yes.Are these 3 clone coupler samples?
They were measured Raw. The provided Cal file is next to useless.Were they measured using provided calibration data?
Hmm. Where can I read more about this? Do you recommend to use it raw?They were measured Raw. The provided Cal file is next to useless.
So what's your simple explanation for why?Your question makes no sense.
It's grammatically, semantically and logically incoherent.So what's your simple explanation for why?
maybe it came loose during shipping and is still somewhere in the box?And forgot one thing. One earphone came without a metal grid:
That's the second one of those at least I have seen in this threadAnd forgot one thing. One earphone came without a metal grid:
View attachment 251737
Really?)))Mine came with two extra grids, maybe it is for a reason
They are in one of the many envelopes /baggies somewhereReally?)))
I'd say that is amazingly close…probably measuring diffs.....I've measured 6 samples from 3 orders from AliExpress (one pair at Sep 17; 2 pairs at Nov 1; 3 pairs at Nov 24) to check how consistent they are.
All the measurements below was done with the same signal level using small silicon tip (with bigger bore) and deep insertion with resonant peak moved to about 9kHz. This way I managed to achieve very good repeatability. For each earphone I've taken average of 3-4 measurements (without reseat) just to smooth run to run variations especially at 20-80 Hz. From my observation this seat gets FR that has less peak at 5kHz that is seen in other measurements. 5kHz peak quite differs with different tips and reseats. Two digits in the graph names is only last two digits of SN so they aren't in order of production. If I'll find some relation between SN range and measurements I'll inform you.
Here's screenshot from REW - it shows not only FR shape but also difference in sensitivity:
View attachment 251730
Here's all graphs matched at 500 Hz:
View attachment 251732
So my conclusion is that the difference is a bit bigger than I expected. When all graphs placed on top of each other this looks like the difference is spread almost evenly. But it is not. There's few (out of 12) earphones which is quite far at 200Hz, 2.5kHz and 5kHz. And in some pairs difference between left and right is quite substantial. I'm going to chose pairs which matches better and give to my friends with individual measurements report.
If there's something more I can check for you feel free to ask
Lol, he's been on a roll with that for the last week, at least he's consistent!It's grammatically, semantically and logically incoherent.
yeah, mine too.Really?)))
They close, yes. But it's not measuring diffs I assure you. The repeatability of the described method is so excellent that I am myself surprisedI'd say that is amazingly close…probably measuring diffs.....