The discovery thread!
Jun 6, 2014 at 2:25 PM Post #25,127 of 100,837
  Just to make sure you guys don't miss it, I just posted a link to my full review (Zero Audio Carbo Tenore and Carbo Doppio) with some teaser pictures: http://www.head-fi.org/t/684159/chinese-asian-brand-info-thread-headphones-iems-amps-dacs/3660#post_10612206

 
Nice review. If you just got your Doppios I would give them a solid 100 plus hours of burn in..The bass end will definitely benefit from more burn in.
 
Jun 6, 2014 at 2:31 PM Post #25,128 of 100,837
Just to make sure you guys don't miss it, I just posted a link to my full review (Zero Audio Carbo Tenore and Carbo Doppio) with some teaser pictures: http://www.head-fi.org/t/684159/chinese-asian-brand-info-thread-headphones-iems-amps-dacs/3660#post_10612206


Lovely review!


Almost makes me want to sell the ath-im02. However, its a similar soundsignature for both isnt it?

If it is, ill keep my im02s.

Or sell them and get the low priced im03 that eric spoke about :)

Glad you enjoyed the zero audio earphones! Like ds said, after 80 more hours of burn in, you should get more bass like how im02 did
 
Jun 6, 2014 at 2:35 PM Post #25,129 of 100,837
Lovely review!


Almost makes me want to sell the ath-im02. However, its a similar soundsignature for both isnt it?

If it is, ill keep my im02s.

Or sell them and get the low priced im03 that eric spoke about
smily_headphones1.gif


Glad you enjoyed the zero audio earphones! Like ds said, after 80 more hours of burn in, you should get more bass like how im02 did

 
Had IM02 for a week, too analytical for my taste, switched right into IM03 and not looking back :wink:  Now, after getting IM50, I'm enjoying it as much.  In reality, IM50 is a more bass heavy version of IM03 for those on the budget who don't mind a little smaller soundstage and not as deep details/separation.
 
Jun 6, 2014 at 2:42 PM Post #25,131 of 100,837
   
Nice review. If you just got your Doppios I would give them a solid 100 plus hours of burn in..The bass end will definitely benefit from more burn in.


That's what Mochill told me as well lol!!!  I only got 'bout 20+ hours on it.  Will keep them burning!!! :)
 
Now, here is a BIG question.  Take a look at this post I just made: http://www.head-fi.org/t/684159/chinese-asian-brand-info-thread-headphones-iems-amps-dacs/3660#post_10612087
 
It does bother me a bit that once Doppio plugged into any of my sources (X5, AP100, Note 2, laptop, etc.) I hear a faint level of white noise.  No playing music, just plug them in without any music.  So, I'm thinking they are VERY sensitivity (113dB/1mW) and just amplify the ground noise from the connector?  Tenores are 102dB/1mW, and so on, low sensitivity and dead quiet.  I noticed this with my other in-ear monitors where I get this faint white noise once plugged into a source without playing music.  Do you know what I'm mean?  Do you have the same with your Doppios?  Or did you have the same for the first 20-30hr until it went away after 100hr, though I can't imagine it going away :frowning2:
 
I'm like fixated on this because once music starts playing with a beat and all the instruments, I don't hear it, but in a quiet passages or breaks where beat and other instruments drop, and only vocals are playing - I'm hearing this fain background white noise level which driving me crazy.

What do you think?
 
Jun 6, 2014 at 3:05 PM Post #25,132 of 100,837
Doppios are some of the most sensitive iems I own actually so it doesn't surprise me your hearing a bit of noise. I would try some other sources and see if you can hear some noise. Out of my Geek Out and DX90 I hear no noise what so ever but I can understand as they are so sensitive.
 
Jun 6, 2014 at 3:18 PM Post #25,133 of 100,837
Had IM02 for a week, too analytical for my taste, switched right into IM03 and not looking back :wink:  Now, after getting IM50, I'm enjoying it as much.  In reality, IM50 is a more bass heavy version of IM03 for those on the budget who don't mind a little smaller soundstage and not as deep details/separation.


Ok, looks like the im03 is a better ba upgrade. Would you state that the doppios are a little less analytical?

And like ds said
You know what is a lot like the IM03 or the dynamic version I should say. Is the CKR9...I still like my IM03 over the CKR9 though.



+1 because of the sound signatures stated at the im0x thread.

I realized how analytical the im02s were because od the ckr9s.

Just wait for the 100 hour burn in leftovers. :)
 
Jun 6, 2014 at 3:22 PM Post #25,134 of 100,837
  Doppios are some of the most sensitive iems I own actually so it doesn't surprise me your hearing a bit of noise. I would try some other sources and see if you can hear some noise. Out of my Geek Out and DX90 I hear no noise what so ever but I can understand as they are so sensitive.

 
How about straight out of DX90?  Since you are using Geek Out, that might be buffering the output, or perhaps external DAC/amp has a better noise isolation of the 3.5mm jack.  I might have to try it out with A200p and E18, to see if it makes a difference, though have to drive it from Note 2 or laptop.
 
Btw, I think their sensitivity is probably the only "negative" comment I can think of.  It reduces dynamic range of the volume adjustment since I'm hitting max level already at 20-30% of the source volume range.
 
In my opinion, if they take Doppio, reduce sensitivity down to 103 dB/1mW, and add Tenore's dynamic driver to warm up the sound, while still keeping it under $200 - that will be one killer carbo-hybrid!!!
 
Jun 6, 2014 at 3:27 PM Post #25,135 of 100,837
Ok, looks like the im03 is a better ba upgrade. Would you state that the doppios are a little less analytical?
 

 
No, actually Doppios are more analytical.  IM03 sounds warmer and with higher bass impact.  But keep in mind, I don't have 100hr on Doppios yet.
 
Might just have to run burn in for a week over-night every day with pink noise to get to 100hr mileage lol!!!
 
Jun 6, 2014 at 3:29 PM Post #25,136 of 100,837
Agreed.. Though I would burn them Doppios in to check out how the low end fills up.. Ericp got concerned cus the bass was so light on open listen. It shows up with burn in.. Keep at it.. Both the DX90 and Geek Out have very low impedance out. Less than 1 ohm out I believe so both play very nice to high sensitive iems. Anything above 5ohm I believe will make the Doppios sound a bit harsh. The Geek Out is excellent with iems in general but with the  Doppios.. It brings them to a new level. So that is the only real negative on them..
 
Oh and by the way.. Colored noise is not necessary.. Just music is fine.. No need for loudness either, moderate volume levels are fine. They will sound much better after the burn in..

Same for the Singolos. Both BA phones need burn in for certain.
 
Jun 6, 2014 at 3:40 PM Post #25,137 of 100,837
  Agreed.. Though I would burn them Doppios in to check out how the low end fills up.. Ericp got concerned cus the bass was so light on open listen. It shows up with burn in.. Keep at it.. Both the DX90 and Geek Out have very low impedance out. Less than 1 ohm out I believe so both play very nice to high sensitive iems. Anything above 5ohm I believe will make the Doppios sound a bit harsh. The Geek Out is excellent with iems in general but with the  Doppios.. It brings them to a new level. So that is the only real negative on them..
 
Oh and by the way.. Colored noise is not necessary.. Just music is fine.. No need for loudness either, moderate volume levels are fine. They will sound much better after the burn in..

Same for the Singolos. Both BA phones need burn in for certain.

 
 
True, because I have to have my bass no matter if I'm listening to a neutral or basshead earphone. I heard no bass really when I first got the Doppio. I was mad at Ds (for the first time) because I thought I was led astray..... Well guess what? I sent my CKR9 back to Japan today for a new one, and which earphone do you think is with me today? Nope, not my much loved FX850, but the Doppio. If it didn't have more than enough bass impact it would not have been the earphone I grabbed. I just felt like listening to a neutral signature today with good bass impact.
 
Jun 6, 2014 at 4:00 PM Post #25,138 of 100,837
It is hard not to be a fan of zero audio earphones.. I like that something as cheap as the Tenors or Bassos sound very nice for their given sound signatures and then newer BA earphones both have a high level of sound for not all that much money. 
 
You can collect all 4 earphones and have 4 completely different sound signatures which are all proficient for the price of one mid fi earphone. That is value right there.
 
It is good that our community has embraced Zero Audio earphones. That just encourages the company to make more and who knows, maybe they will make a hybrid with the Doppio BAs and one Tenor micro HD driver for the low end.
 
Agree with Mr Twister, This would make for a killer sounding earphone.
 
Jun 6, 2014 at 4:08 PM Post #25,139 of 100,837
It is hard not to be a fan of zero audio earphones.. I like that something as cheap as the Tenors or Bassos sound very nice for their given sound signatures and then newer BA earphones both have a high level of sound for not all that much money. 

You can collect all 4 earphones and have 4 completely different sound signatures which are all proficient for the price of one mid fi earphone. That is value right there.

It is good that our community has embraced Zero Audio earphones. That just encourages the company to make more and who knows, maybe they will make a hybrid with the Doppio BAs and one Tenor micro HD driver for the low end.

This would make for a killer sounding earphone.

+1

Was also about to mention that the community finally embraced the zero audios.

If only the tenores were encouraged first, but at least zero audio finally caught the attention of the headfi community.
 
Jun 6, 2014 at 4:49 PM Post #25,140 of 100,837
Welp, I have a dilemma
 
Which earphone is worth purchasing?
 
the rare one of a kind im03 sale?
 
or the fx750?
 
Also sorry to bother you about this dsnuts.
 
 
I think I remember you saying that the ckr10s height are pretty good. So I only ASSUME that the ckr9s have a similar feature since I hear it that way as well.
 
Would the im03s be a bit higher in height, or a bit less? Would you encourage me to buy the fx750 or the im03? thank you kindly.
 

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