Due to a request by ACS, since the measurement equipment was not professional grade the graphs have been removed.

Thanks for all the replies. I had returned them today. They asked me to send them the results, they will consult with the engineers at ACS if they are normal for these IEMs. If they are, I'm a little hesitant to buy another pair without seeing graphs first, and THD. Problem is most manf. dont...

Thanks for your response.  The seal is very good in my ear, there is no movement our outside sound. The source is my laptop, connected to the FIIO E7 DAC. Using foobar as player. No EQ present on either device. I tried initially from my HTC One M7, it sounded similar.   Looking at the...

Thanks again, just posted - and it took fine.

Hi,   Normally I have a pair of ATH-M50 both at home and work paired with a basic FIIO E7. I reasonably like it, but I planned on getting a pair of Alcalair Reference's based on their reviews and cost. While taking ear measurements, the audiologist which is also selling custom ACS IEMs...

Thanks. It looks like I can post now, and the embed picture doesn't throw an error.

Hi,   I just got my new ACS T1 custom IEMs, and would like to start a thread about them with some graphs and measurements. It seems I cannot post at all in the equipment forum, and even on the getting started forum, I cannot add pictures of the graphs.   Any idea how I should go about it?  ...

Hello,   I'm new here. Currently I have ATH-M50 both in the office and at home, powered by a FIIO E7. Right now im looking for and testing some custom IEMs.   Cheers,