If you still love Etymotic ER4, this is the thread for you...
Sep 19, 2013 at 8:57 AM Post #2,584 of 19,253
Now I'm curious. Can someone who has a new set of er4s take a photo of the filters in the earphone? I think I'm putting them in the correct direction based on online photos...

 

 
Sep 19, 2013 at 9:21 AM Post #2,585 of 19,253
Just letting you guys know the ER4S and iBasso DX50 pair together overly well, plenty of driving power on medium gain, setting. it's still a little buggy at the moment, but keep your ears open, as it sounds really rich in detail and accurate in timbre.
 
Sep 19, 2013 at 9:54 AM Post #2,586 of 19,253
Now I'm curious. Can someone who has a new set of er4s take a photo of the filters in the earphone? I think I'm putting them in the correct direction based on online photos...

 
The Ety green (plastic) replacement filters that I have in possession look *almost* the same to me from either end. Instructions that came with them didn't specify which end has to go in first, so I don't believe they are uni-directional.
 
That said... in the interests of research, I just removed the original filters from my ER4. The mesh/cloth that's nearer the filter edge is on the side of the eartip, just like the way you inserted yours.
 
Update: Ok, I've been squinting into the little bugger for the last one hour and my tired old eyes aren't sure anymore if it's asymmetrical. If there's a difference, it's got to be a millimetre or less.
 
Sep 19, 2013 at 12:29 PM Post #2,587 of 19,253
The Ety green (plastic) replacement filters that I have in possession look *almost* the same to me from either end. Instructions that came with them didn't specify which end has to go in first, so I don't believe they are uni-directional.

That said... in the interests of research, I just removed the original filters from my ER4. The mesh/cloth that's nearer the filter edge is on the side of the eartip, just like the way you inserted yours.

Update: Ok, I've been squinting into the little bugger for the last one hour and my tired old eyes aren't sure anymore if it's asymmetrical. If there's a difference, it's got to be a millimetre or less.


Mine are definitely closer on one side. Photos from a google search show the filter material closer to the eardrum than the driver. If my stock tips were the other way (I don't think they were) then the sound is the same either way...
 
Sep 19, 2013 at 12:52 PM Post #2,588 of 19,253
  Just letting you guys know the ER4S and iBasso DX50 pair together overly well, plenty of driving power on medium gain, setting. it's still a little buggy at the moment, but keep your ears open, as it sounds really rich in detail and accurate in timbre.

 
Just a friendly reminder --- make sure you balance the digital attenuation to make sure you're getting the maximum amount of dynamic range on the DX50. At low gain, the DX50 outputs 1.2 Vrms, which is plenty of juice for the ER4S (or any BA IEM for that matter, no matter how high the impedance is; a single BA like the ER4 especially has less input headroom before distortion). Juicing the ER4S to 1.7 Vrms is not really necessary, especially when it only gains 3 dB in dynamic range, from 103 to 106. Digitally attenuating the volume to acceptable levels in medium gain mode would lower dynamic range to way lower levels. It's not like the DX50 uses a Sabre DAC, where you can take advantage of the 32-bit digital volume control inside. The DX50's digital volume control throws away a lot more than just the least significant bits, the more you attenuate away from full scale. By -30 dB, you're losing a ton of dynamic range. Thus, you're better off using low gain and cranking the volume a little higher. A lot of people think higher gain "sounds better", but it's not necessarily true, especially when your IEM doesn't need the power. In this case, you're actually losing sound quality because the absolute dynamic range delivered is lower because you've had to digitally attenuate the music level to a point where you're listening to essentially 9-bit, 10-bit music.
 
Sep 19, 2013 at 2:57 PM Post #2,589 of 19,253

Mine are definitely closer on one side. Photos from a google search show the filter material closer to the eardrum than the driver. If my stock tips were the other way (I don't think they were) then the sound is the same either way...

 
I don't think the direction affects the sound, especially considering that any tips that extend past the end of the barrel (any of the tri-flange tips) should have the same affect as putting the filters in cloth side down. The end result is that there is more tube for the sound to travel down. Plus the filters are only like 2mm long lol. 
 
   
Just a friendly reminder --- make sure you balance the digital attenuation to make sure you're getting the maximum amount of dynamic range on the DX50. At low gain, the DX50 outputs 1.2 Vrms, which is plenty of juice for the ER4S (or any BA IEM for that matter, no matter how high the impedance is; a single BA like the ER4 especially has less input headroom before distortion). Juicing the ER4S to 1.7 Vrms is not really necessary, especially when it only gains 3 dB in dynamic range, from 103 to 106. Digitally attenuating the volume to acceptable levels in medium gain mode would lower dynamic range to way lower levels. It's not like the DX50 uses a Sabre DAC, where you can take advantage of the 32-bit digital volume control inside. The DX50's digital volume control throws away a lot more than just the least significant bits, the more you attenuate away from full scale. By -30 dB, you're losing a ton of dynamic range. Thus, you're better off using low gain and cranking the volume a little higher. A lot of people think higher gain "sounds better", but it's not necessarily true, especially when your IEM doesn't need the power. In this case, you're actually losing sound quality because the absolute dynamic range delivered is lower because you've had to digitally attenuate the music level to a point where you're listening to essentially 9-bit, 10-bit music.
 


 
This makes a lot of sense. Sounds like the same principle behind why it's better to use full volume for playback on windows when outputting to an external amp. 
 
Also I wonder if this is the reason companies like Leckerton still use analog volume control, because it doesn't sacrifice dynamic range at lower volumes. What are your thoughts on using the Fuze or clip without an amp to power the ER4S? Always enjoy tapping into your wealth of knowledge. 
etysmile.gif

 
Sep 19, 2013 at 4:24 PM Post #2,590 of 19,253
Well the tips wouldn't relate to filter direction exactly, because the distance from the driver to the filter is fixed. Whether the filter material is closer to the driver or not wouldn't be affected by insertion depth or tip sleeve depth. The question would be, does the sound change at all by having 2mm or so more distance to travel and bounce around before going through the filter material?

I don't think it matters either way. Just saying. :p
 
Sep 19, 2013 at 7:06 PM Post #2,591 of 19,253
Just a friendly reminder --- make sure you balance the digital attenuation to make sure you're getting the maximum amount of dynamic range on the DX50. At low gain, the DX50 outputs 1.2 Vrms, which is plenty of juice for the ER4S (or any BA IEM for that matter, no matter how high the impedance is; a single BA like the ER4 especially has less input headroom before distortion). Juicing the ER4S to 1.7 Vrms is not really necessary, especially when it only gains 3 dB in dynamic range, from 103 to 106. Digitally attenuating the volume to acceptable levels in medium gain mode would lower dynamic range to way lower levels. It's not like the DX50 uses a Sabre DAC, where you can take advantage of the 32-bit digital volume control inside. The DX50's digital volume control throws away a lot more than just the least significant bits, the more you attenuate away from full scale. By -30 dB, you're losing a ton of dynamic range. Thus, you're better off using low gain and cranking the volume a little higher. A lot of people think higher gain "sounds better", but it's not necessarily true, especially when your IEM doesn't need the power. In this case, you're actually losing sound quality because the absolute dynamic range delivered is lower because you've had to digitally attenuate the music level to a point where you're listening to essentially 9-bit, 10-bit music.


I will keep this is mind, thank you for the informative information, appreciate it.
 
Sep 19, 2013 at 9:42 PM Post #2,592 of 19,253
Digital volume control isnt quite that simple...

You lose dynamic range with analog too. For example, if a music track was recorded with peaks of 120 dB and you listen at a lower volume on your analog amplifier so that peaks are at 90 dB (a reasonable level to preserve your hearing), then you have "lost" 30 dB of dynamic range. This loss is the same whether the volume of your DAC is 100% or not.
 
Sep 19, 2013 at 10:29 PM Post #2,593 of 19,253
I think this might be why the bass sounds better to me with the c5 from my apogee interface.  More dynamic range.  Makes the bass sound a little more impactful from dynamics.  That's why everything else sounds identical.  It's a small amount, but it really adds to the bass...
 
Sep 19, 2013 at 11:11 PM Post #2,594 of 19,253
Ok, I just plonked in the red filters, cloth side up.
 
Bass has more presence, sweeeet! ... but this has come at the expense of some of that Ety treble magic. It's still delivering heaps of details yes, but a nice chunk has become less discernible.
 
Still too early to say which one I like better, but there is definitely a noticeable difference between the green and red filters.
 
Sep 19, 2013 at 11:26 PM Post #2,595 of 19,253
I
Ok, I just plonked in the red filters, cloth side up.

Bass has more presence, sweeeet! ... but this has come at the expense of some of that Ety treble magic. It's still delivering heaps of details yes, but a nice chunk has become less discernible.

Still too early to say which one I like better, but there is definitely a noticeable difference between the green and red filters.


interesting. Don from etymotic said the samples they tested showed a +\-30% variance. It sounds like you might have got one on the farther side of the greens. I think mine was probably in the middle. Or maybe I need to try my greens again.

On another note, i am going back too greens, but I was listen to some Kenny Rogers and Lionel Richie last night with orange filters and comply tips. Wow. I mean wow. It was simply some of the best sounding and most jaw dropping listening for me in a long while. No eq. Nothing.

Vocals stood out so realistically like I was in the studio. Strings and flutes and guitars just sounded unbelievably 3d and spacious, clear and distinct. Bass and drums were some of the tightest I've ever heard. The comply with the treble characteristics of the orange filters really brought out the soundstage depth and realism. These were original uncompressed no noise reduction albums. So good.

I'm going to lists to them again now with triple flange to see how they fare...
 

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