[RikudouGoku]

Just from this little time with the EJ07m, would you say it's a big improvement over the FH3? I have come to really like the FH3 and it's sound signature again lately, finding a better fit and going balanced through the BTR5... You were the one who pushed me to it initially and I thank you for that. EJ07m seems to have quite a similar sound from the graphs.

Yes, it is definitely an improvement. But I dont think it is a "true" upgrade to the FH3, if that is what you want (havent heard anything similar to the FH3 though).

 

[ilianto]

Yes, it is definitely an improvement. But I dont think it is a "true" upgrade to the FH3, if that is what you want (havent heard anything similar to the FH3 though).

I see, so it's tonally an improvement for you I guess... The thicker mids and different treble maybe?

 

[RikudouGoku]

I see, so it's tonally an improvement for you I guess... The thicker mids and different treble maybe?

I wont be talking about it until I am done with the other stuff currently.

 

[ilianto]

I wont be talking about it until I am done with the other stuff currently.

Alright, looking forward for the review. The FH3 is usually in there too. Have fun my friend.

 

[RikudouGoku]

2021-11-08: Timeless QC: Currently, the QC on the Timeless seems to be really bad. If you are interested in buying it, be aware that there is no guarantee on what nozzle version you will get (white mesh or tuning foams, will have an effect on the sound), pretty much gambling and that the shell could fall apart. Essentially, history is repeating itself as it did with the Urbanfun ISS014, except this is 3x more expensive.

Posts:
https://forum.hifiguides.com/t/7hz-timeless-planar/29127/2022
https://forum.hifiguides.com/t/7hz-timeless-planar/29127/1996



Credits to @nymz for finding these.

 

[RikudouGoku]

2021-11-08: 11/11 Recommendation list:

(Only included stuff I have heard and with good sale prices.)

• Fiio FD5
• KZ DQ6
• K´s LBBS
• LZ A7
• Moondrop Chaconne
• Tanchjim Oxygen
• Tanchjim Tanya
• Tri I3 Pro

Not really a good sale this time tbh....

 

[RikudouGoku]

2021-11-09: Audiosense DT600: https://www.head-fi.org/showcase/audiosense-dt600.25428/reviews#review-27230

Rank: A

Their redemption arc after the failure called the DT300.
My nr 1 BA iem right now, although I suspect it will have to run for its place when I get the GS Audio GT12x lol.

 

[RikudouGoku]

2021-11-11: Tin Hifi P1 Plus

Tin Hifi P1 Plus impressions:

Bass: Not anemic like the OG P1, but still very lacking in quantity for me. Very clean due to the speed and tightness, decent texture.

Mids: excellent vocals both male and female tonality are great.

Treble: on the warmer side, not peaky at all, clean. Upper-treble doesn’t kill my ears like it did on the OG P1.

Overall: They seem to have fixed the issues I had with the OG P1, namely the anemic bass, upper-treble, energy efficiency and timbre. Very impressed by it. Regarding the 11/11 sale, I definitely wont be able to finish the review in time, so I just go ahead and say that if you want a planar, I will definitely recommend this. (and if you can use EQ, it might be killing a few iems at the 300 usd range.)



Side-note: Responds excellent with EQ, probably what Tin Hifi had in mind seeing how flat it is. Potential S territory with EQ.

 

[RikudouGoku]

Just got these:

Koss KPH14: (earbud/headphone hybrid)
Very bright, less bass and more treble than the Koss KSC75. Fit is very secure, but feels weird at first. Headband adjustment is very short, asian/women sized I guess.


Philips SHS3300BK: Tuned to be used without foams (mainstream consumption), but has a 3k peak that way. Put on a foam, and it actually sounds pretty decent.
(with foams)
Mid-bass bud, with very little sub-bass. Vocals are decent but timbre isnt that good. treble is on the warmer side.
This one has potential, will spend more time with it after my backlog is gone. (Oh, and that fit/comfort is excellent as you might be able to tell from the design.)

 

[WAON303]

I strongly considered the Timeless as my next IEM during 11.11 (Ultimately bought the SeeAudio Bravery.) but declined due to known QC issues

Hope 7hz fixes this with future batches, they struck gold with the Timeless and it HAD to be plagued by QC bull.

 

[RikudouGoku]

2021-11-14: Waterfall graph coherency reading.

I might have learned how to tell coherency from waterfall graphs, which I will show now.

Procedure: I tested my theory on my own, judging the iems I have heard myself and was correct 100% of the time. Which then led me to look at graphs (thanks to @MRSallee for sharing his graphs) I havent heard and ask for confirmation from @nymz If I was right or wrong.

See how the bass has a lot of red coloring on the GK10? While the mids does not have it and that treble, very little?
That shows that there are different driver speeds doing those areas, that is why it translates to you hearing different drivers doing their own thing. (incoherency)

on the other hand, the Falcon Pro has a lot of red area as well, showing that it is on the slower side as well. But this time, that slower speed is shown from bass to treble. Not as much as on the mids, but that is fine IRL.

The P1 Plus have very fast speed across the range and is consistent, that is why it is very coherent.

The A7 (Pop-red) also looks coherent, because there isnt a lot of red coloring here with the bass (mostly with sub-bass), so that matches well with the low amount of red with the treble

The DQ6 also looks excellent, with very fast speed on from bass to treble



Conclusion: If a waterfall graph is consistent in its coloring from bass to treble, it is on the more coherent side. How coherent it is, is judged by the level of consistency

 

[baskingshark]

2021-11-14: Waterfall graph coherency reading.

I might have learned how to tell coherency from waterfall graphs, which I will show now.

Procedure: I tested my theory on my own, judging the iems I have heard myself and was correct 100% of the time. Which then led me to look at graphs (thanks to @MRSallee for sharing his graphs) I havent heard and ask for confirmation from @nymz If I was right or wrong.


See how the bass has a lot of red coloring on the GK10? While the mids does not have it and that treble, very little?
That shows that there are different driver speeds doing those areas, that is why it translates to you hearing different drivers doing their own thing. (incoherency)



on the other hand, the Falcon Pro has a lot of red area as well, showing that it is on the slower side as well. But this time, that slower speed is shown from bass to treble. Not as much as on the mids, but that is fine IRL.



The P1 Plus have very fast speed across the range and is consistent, that is why it is very coherent.



The A7 (Pop-red) also looks coherent, because there isnt a lot of red coloring here with the bass (mostly with sub-bass), so that matches well with the low amount of red with the treble



The DQ6 also looks excellent, with very fast speed on from bass to treble



Conclusion: If a waterfall graph is consistent in its coloring from bass to treble, it is on the more coherent side. How coherent it is, is judged by the level of consistency

So bro which is the most coherent IEM you can measure in your collection? And which is the most incoherent?

 

[RikudouGoku]

So bro which is the most coherent IEM you can measure in your collection? And which is the most incoherent?

The most incoherent iem goes to the GK10. Both by graph and by ears.

The most coherent was very surprising, since I expected the Blon 03 or the Tanchjim Oxygen to win.
But judging by graph, the P1 Plus is better.

So I think this method is better to use to tell if something is incoherent or not. Rather than how good it actually is.

 

[chickenmoon]

Isn't the the top part of these waterfall graph just like a regular FR graph? AFAIK these are just good to estimate decay speed at various frequencies, X and Y axis are same as FR graph and Z axis is time.

 

[RikudouGoku]

Isn't the the top part of these waterfall graph just like a regular FR graph? AFAIK these are just good to estimate decay speed at various frequencies, X and Y axis are same as FR graph and Z axis is time.

Tbh, I really have no clue. Only that this way seems to be showing the coherency in the end.