wolkegeist
100+ Head-Fier
I used LS400 driver, which is a combination of Sonion 1700(??) and Sonion 2389, which is kinda similar to 1723 but without acupass. Formula as below:yeah, thats me lol. Heres a link https://www.reddit.com/r/DIEMs/comments/dhl5zn/single_driver_sr32453_build/ and the diagram: https://www.reddit.com/r/DIEMs/comments/dhygor/exploded_view_of_my_last_build/ I also wrote this, https://www.reddit.com/r/DIEMs/comments/cbng8t/a_4_page_paper_of_how_sound_tubes_affect_iems_in/ based off of some findings. It is is open to edits.
I left some impressions of the build on the first page. I was very impressed with that driver. I started the build as re-inspiration to my 6 driver build and it was pretty good at that. With a good source, the sound is quite impressive. Very neutral. That forum isn't doing so well activity wise, so I figured I should join here. FYI: I am a broke HS student, and have much experience with high end IEM's, so you may see me compare IEM's to headphones. Sorry, lol.
As for which driver to buy, thats up to you guys. I have no clue if she could buy 50 of one and 50 of another. That would be optimal. If I remember right, she said she would sell for 33 bucks. Not a bad price, especially compared to the GV. The single spout could be very easy for newbies to tune, and by only looking at graphs, I think I would prefer the 1723. However, the GV has 2 spouts, with room for more acoustic tuning.
2389 +2.2uF
1700 parallel
20ohm series
Then a Cpad of 50ohm parallel and 3.3 ohm series. This is for a little bit of attenuation.
Tube is 14mm 2ID with no damper.
Then pair them with an ED-30761, tube is 16mm 1ID, red damper at 5mm, orange damper at end.
Sound is Finale 2 level of detail, with strong bass, clear mid, treble is a little bit roll-off and fast decay.
Here’s a pic, I’m a horrible shell maker, I know! I’m waiting for the faceplate to dry because I use A-B resin tho, so here’s a naked pic lol.
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