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1964 Ears Adel IEMs - Page 502

post #7516 of 7698

Anybody remember how long are they covering the kickstarter U-series under warranty. My left shell has developed a crackline and need to ship back to them since only they can reshell it with adel port.

 

Edit: Nvm, just realised I can enter my serial number into the website and it will give me my warranty period.


Edited by Divine9 - 1/9/17 at 10:40pm
post #7517 of 7698
Quote:
Originally Posted by Divine9 View Post

Anybody remember how long are they covering the kickstarter U-series under warranty. My left shell has developed a crackline and need to ship back to them since only they can reshell it with adel port.

I know the A12 was 2 years. Not sure if U series.
post #7518 of 7698
Quote:
Originally Posted by Divine9 View Post
 

Anybody remember how long are they covering the kickstarter U-series under warranty. My left shell has developed a crackline and need to ship back to them since only they can reshell it with adel port.

 

Edit: Nvm, just realised I can enter my serial number into the website and it will give me my warranty period.

 

 

Quote:

Originally Posted by Levanter View Post


I know the A12 was 2 years. Not sure if U series.

 

Your comment reminds me of expiration date of mine. Does U series have any capacitor inside? AFAIK a capacitor has the expiration date or maximum working hours before failure. 


Edited by chaiyuta - 1/9/17 at 10:58pm
post #7519 of 7698
Quote:
Originally Posted by Levanter View Post


I know the A12 was 2 years. Not sure if U series.

 

As I recall U Series warranty is just 1 year.

post #7520 of 7698

Apex M20 vs M15 mini-review.

 

Intro.

 

Unlike other C/IEMs where I can only talk about the effect of eartips and cable replacement in fine-tuning of the sound as I hear it, 64audio IEMs have a capability of swapping either ADEL (early design) or APEX (new design) modules which affect the Frequency Response and other performance parameters such as soundstage expansion and sound isolation.  I have reviewed the original A12/U12 and U6 and have compared S1/B1/G1/MAM and M20 in my previous write ups (all could be found in my main Review index HERE).  Now, I would like to share with you a short write up and comparison of M20 vs M15 modules.  Also, since this question constantly comes up in every module discussion, for those interested to find out more about the difference between Adel and Apex technology (they are not the same), please refer to Paul’s (@Brooko) U10 review since he is more qualified to discuss the topic of ear health due to his tinnitus condition.

 

Furthermore, I switched to U12 Apex shell from the original U12 Adel I had before.  Since I didn’t purchase U12 Adel and it was a review sample which 64audio kindly allowed me to keep for an extended period of use, the replacement I received is their new Apex shell design.  As it was explained by 64audio team, if you have issues with their products, under warranty you will receive the exact replacement you paid for.  Also, for those who are curious, due to dozens of reviews where I featured U12 in my comparisons as well as cable and module testing, my original U12 review unit took more than expected abuse and as a result needed to be replaced.  Moving forward, I will feature U12 Apex in my reviews, but the question now if it’s going to be w/M20 or w/M15?  Let’s find out!

 

Design.

 

Since I tested M20 module in the past, Apex modules are compatible with original Adel shells while not the other way around (Adel module doesn’t fit Apex shell), I was already familiar with M15 design.  It has exactly the same shape as M20 with a flat top and parallel notches underneath the top on both sides.  You can just grab it by the top to remove from the shell, and can also find pinhole vent inside of those notches.  There are also 2 o-rings which seal and keep the module secure when inserted into the shell.  The main visible difference between the modules is M20 having an aluminum-silver color while M15 - a gunmetal color.

 

Upon further examination, while holding M15 against the light, I noticed that pinhole vent goes right through, meaning that unlike M20 which has only a single pinhole went on one side – M15 has 2 pinhole vents, one on each side.  As you can see in the pictures below, I have L/R M15 units facing front/back vs M20 where only a single pinhole is present.  What does this mean?  You will get a little less isolation (-20dB for M20 vs -15dB for M15), and I also found soundstage with M15 to be wider and more open.  Both isolation and soundstage effects were not just subtle, but actually noticeable, though depending on your hearing level and ear sensitivity the effect will vary.

 

 

Sound comparison.

 

In terms of the sound comparison between M20 and M15, besides already mentioned soundstage being a little narrower in M20, the low end impact is where I hear the most difference.  M20 has more sub-bass and mid-bass impact which spills a little bit into lower mids, making the sound warmer and a little more L-shaped, while M15 bass has less impact which gives more room for the mids to breath and brings up their clarity and details.  M15 still keeps the bass above neutral with a nice meaty punch, but has less impact than M20.

 

If you want more bass and you don't care about wider soundstage, go with M20.  Otherwise I find M15 to be a better choice which still gives you a noticeable low end boost without exaggeration and offers a wider staging due to a dual vent opening.

 

I was actually able to capture the effect of M20 vs M15 in FR graph below.  Just please keep in mind that I’m using a Veritas coupler which is not as accurate and precise as professional audio measurement equipment.  This is a raw data, and the measurements below 50Hz and above 15kHz usually have higher percentage of error.

 

 

Also, going by memory when compared to M15, G1 and B1 have less bass impact, a little wider staging, and the same clarity in mids, with B1 being even leaner in lower mids.

 

Based on my personal preference moving forward, I will continue using U12 Apex with M15 module and TWau cable along with large silicone eartips from Oriveti Primacy.

post #7521 of 7698
Quote:
Originally Posted by twister6 View Post

Apex M20 vs M15 mini-review.


Intro.

Unlike other C/IEMs where I can only talk about the effect of eartips and cable replacement in fine-tuning of the sound as I hear it, 64audio IEMs have a capability of swapping either ADEL (early design) or APEX (new design) modules which affect the Frequency Response and other performance parameters such as soundstage expansion and sound isolation.  I have reviewed the original A12/U12 and U6 and have compared S1/B1/G1/MAM and M20 in my previous write ups (all could be found in my main Review index HERE).  Now, I would like to share with you a short write up and comparison of M20 vs M15 modules.  Also, since this question constantly comes up in every module discussion, for those interested to find out more about the difference between Adel and Apex technology (they are not the same), please refer to Paul’s (@Brooko
) U10 review since he is more qualified to discuss the topic of ear health due to his tinnitus condition.

Furthermore, I switched to U12 Apex shell from the original U12 Adel I had before.  Since I didn’t purchase U12 Adel and it was a review sample which 64audio kindly allowed me to keep for an extended period of use, the replacement I received is their new Apex shell design.  As it was explained by 64audio team, if you have issues with their products, under warranty you will receive the exact replacement you paid for.  Also, for those who are curious, due to dozens of reviews where I featured U12 in my comparisons as well as cable and module testing, my original U12 review unit took more than expected abuse and as a result needed to be replaced.  Moving forward, I will feature U12 Apex in my reviews, but the question now if it’s going to be w/M20 or w/M15?  Let’s find out!

Design.

Since I tested M20 module in the past, Apex modules are compatible with original Adel shells while not the other way around (Adel module doesn’t fit Apex shell), I was already familiar with M15 design.  It has exactly the same shape as M20 with a flat top and parallel notches underneath the top on both sides.  You can just grab it by the top to remove from the shell, and can also find pinhole vent inside of those notches.  There are also 2 o-rings which seal and keep the module secure when inserted into the shell.  The main visible difference between the modules is M20 having an aluminum-silver color while M15 - a gunmetal color.

Upon further examination, while holding M15 against the light, I noticed that pinhole vent goes right through, meaning that unlike M20 which has only a single pinhole went on one side – M15 has 2 pinhole vents, one on each side.  As you can see in the pictures below, I have L/R M15 units facing front/back vs M20 where only a single pinhole is present.  What does this mean?  You will get a little less isolation (-20dB for M20 vs -15dB for M15), and I also found soundstage with M15 to be wider and more open.  Both isolation and soundstage effects were not just subtle, but actually noticeable, though depending on your hearing level and ear sensitivity the effect will vary.








Sound comparison.

In terms of the sound comparison between M20 and M15, besides already mentioned soundstage being a little narrower in M20, the low end impact is where I hear the most difference.  M20 has more sub-bass and mid-bass impact which spills a little bit into lower mids, making the sound warmer and a little more L-shaped, while M15 bass has less impact which gives more room for the mids to breath and brings up their clarity and details.  M15 still keeps the bass above neutral with a nice meaty punch, but has less impact than M20.

If you want more bass and you don't care about wider soundstage, go with M20.  Otherwise I find M15 to be a better choice which still gives you a noticeable low end boost without exaggeration and offers a wider staging due to a dual vent opening.

I was actually able to capture the effect of M20 vs M15 in FR graph below.  Just please keep in mind that I’m using a Veritas coupler which is not as accurate and precise as professional audio measurement equipment.  This is a raw data, and the measurements below 50Hz and above 15kHz usually have higher percentage of error.




Also, going by memory when compared to M15, G1 and B1 have less bass impact, a little wider staging, and the same clarity in mids, with B1 being even leaner in lower mids.

Based on my personal preference moving forward, I will continue using U12 Apex with M15 module and TWau cable along with large silicone eartips from Oriveti Primacy.


Thanks! We all owe you one
post #7522 of 7698

Guys... I really adore the U12, but I lust to hear a Tia Forte, but only way I'd ever afford it is on Black Friday + trade in program stacked... :P 

post #7523 of 7698
Quote:
Originally Posted by pfurey89 View Post
 

Guys... I really adore the U12, but I lust to hear a Tia Forte, but only way I'd ever afford it is on Black Friday + trade in program stacked... :P 

We all feel that lust! It would take commitment on a grand scale. When I owned the Layla I had a sinking feeling ...yikes I just spent 2K on in ear monitors.

post #7524 of 7698
Quote:
Originally Posted by subguy812 View Post

We all feel that lust! It would take commitment on a grand scale. When I owned the Layla I had a sinking feeling ...yikes I just spent 2K on in ear monitors.
Why did you sell them? Comparison with U12?
post #7525 of 7698
Quote:
Originally Posted by seamon View Post


Why did you sell them? Comparison with U12?

Fit was the number one reason. The shear size of the Frankenstein bolts prevented me from getting a good seal all of the time. When I did the sound was phenomenal, but for the most part I preferred the Angie. I would only be comparing them from memory and it was quite a while so I am hesitant to draw comparisons.

 

As far as the U12 I am still struggling to accept their sound. The first day I changed the S1 to the B1 and added a silver litz cable. I am hesitant to use the word veil with the U12 as it is more the way in which the frequencies are presented. I really enjoy the Solar but I noticed after listening to the U12 the Solar they sound trebly. I assume that means the sound is growing on me.

 

I plan on writing a review even though there are many already, we will see.

post #7526 of 7698
Quote:
Originally Posted by subguy812 View Post

I plan on writing a review even though there are many already, we will see.

There aren't that many reviews for the U12 in the Head Gear section. In fact I had to create a page just for the U12, because it should not be grouped in with the CIEM model.

I look forward to your review. biggrin.gif

Oh, and yes, I too have felt that squirming sensation in the pit of my stomach after spending WAY too much money on audio gear I really didn't need, and couldn't exactly afford. I'm trying to be better... now that I've got a solid arsenal from which to work. I think my spending shall slow way down. cool.gif
post #7527 of 7698

Does anyone find the nozzles on the U series to be absolutely massive? I'm a small Comply tip guy, but because the nozzle is so large on these, they don't compress very much so they barely fit in my ears. After having them in for a bit, my ears feel pretty sore. I hate silicone/rubber tips, so foam is the only way I can go.


Edited by noneedlessnoise - 1/13/17 at 11:49am
post #7528 of 7698
Quote:
Originally Posted by noneedlessnoise View Post

Does anyone find the nozzles on the U series to be absolutely massive? I'm a small Comply tip guy, but because the nozzle is so large on these, they don't compress very much so they barely fit in my ears. After having them in for a bit, my ears feel pretty sore. I hate silicone/rubber tips, so foam is the only way I can go.
Yep they are massive
post #7529 of 7698

Well they are quite long, luckily they still fit my ears.Besides Comply, give the INAIRS AIR1 a go (from Amazon). I really like them and my wallet too ;)

post #7530 of 7698
Quote:
Originally Posted by seamon View Post

Yep they are massive
All relative. I find them average size, with a long stem that I like. Wouldn't fit really tiny ears well, just like a lot of Asian iems are too small for my ears.
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