johnchpark's latest activity
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    Hi, What are some options to add color to clear UV resin? I'm using Egger clear, and Egger UV lacquer. Maybe mixing nail polish into the...
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    This is the left side before closing the shell (green) and after (purple). Makes me think when i pushed the components in, some passives...
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  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    6BA build. 1st attempt on the shell and it straight ugly. LR tuning also off...the Green line (right) is the intended tuning and was how...
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  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    thanks! I got the diamond tip set so i get what youre saying. Ill give it a shot! And yea, my ears are on the bigger side...i can fit a...
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    For multi tubes (4 tubes), do you make one big bore down the nozzle, stick with the drivers in, and then seal it by adding more UV resin...
  • johnchpark
    johnchpark reacted to stephensynanta16's post in the thread Home-Made IEMs with Like Like.
    Yo bro, we're using similar method 🤣, hi five. Its even look very similar, lol. Mine's 3d printed. Bass rolloff, it might be because...
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
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  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    So it doesn't have to be in a sealed shell, but the tubes should all be sealed with the coupler completely? Thanks, I'll give it...
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    I'm using some Taobao 711 coupler, but it measures relatively close to Crin's graphs, so pretty reliable I think. Question, I set up my...
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  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    Hi, so i tried wiring and testing some of my drivers, and my fullrange drivers (ED29689, ED268905, DWFK31785) all came out looking like...
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  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    Will there be any issues of using a lower voltage capacitor (6-10V) in an IEM if the source output is higher (up to 12Vrms)?
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    Ah didn't realize they came in different sizes. Would the links below suffice? Thinking of getting a bunch of different values...
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    I'm starting out and trying to get a set of capacitors & resistors of wide values. I found these two on Alieexpress, but I was wondering...
  • johnchpark
    johnchpark replied to the thread Home-Made IEMs.
    Hi, just a quick question. For IEM's, about how much should the voltage be for the capacitors? And for ceramic capacitors, are...
  • johnchpark
    Has anyone figured out how to update the Shanling UP4 to v1.2.3 to use with the mobile App? I tried following the instructions, but my...
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