johnchpark's latest activity
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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...
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johnchpark replied to the thread Home-Made IEMs.
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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...
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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 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 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)?
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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...
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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...
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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...
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johnchpark replied to the thread Shanling UP4 & UP2 - Bluetooth 5.0 DAC/AMP with ES9218P, balanced output, supporting LDAC, HWA LHDC, aptX HD, aptX Low Latency, aptX and AAC..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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johnchpark replied to the thread Shanling UP4 & UP2 - Bluetooth 5.0 DAC/AMP with ES9218P, balanced output, supporting LDAC, HWA LHDC, aptX HD, aptX Low Latency, aptX and AAC..Will you be releasing IOS app for the UP4? Also, I saw the Android app Equalizer only has 5 bands (63, 250, 1k, 4k, 16kHz). Could you...
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johnchpark reacted to muzo2's post in the thread DIY Custom in ear monitor information/resource with Like.http://www.tudou.com/programs/view/ypJMT_rmPas/ http://www.tudou.com/programs/view/d1ZC2GQ9enU/...
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johnchpark replied to the thread Home-Made IEMs.Anyone know where you can get FRD and ZMA files for Knowles and Sonion to design crossovers?
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johnchpark reviewed the item Fearless Audio S8Z.