I got this schematic from web which is designed by Sonion, I haven't tried it yet, have detailed tube length, tube size, damper, capacitor and resistor used for each driver. Trial and modify as what you want.

Hi, Diyer's friend ! Do I need to kill the peak at 17kHz ? or just leave it there ? Thanks all of your advice. Recently have finished building this 2 sets of IEM with same config consists of : 1x 10mm DD / 1x Sonion 37ap / 2x Sonion E50DT / 1x Knowles 32254, 4 tubes with 4 ways crossover. Hv...

Very good indeed, tidy and shinny looks. I like the last one, lemon yellow. How you mix that color. Thanks.

Wa, professional build. Excellent. I'll still cannot reach your level.

You're right. That's estron wire.

My newest build of my hybrid IEM. It consists of 10mm DDx1 / 37ap015x1 / E50DTx2 / 31736x1 Total 1DD with 8 BAs driver. 4 tubes with 4 ways crossover. FR looks ideal. I use this as my target FR and I will tune for the rest of the other 3 kinds of FR This tools help a lot for tunning...

I just ordered 10 pcs of RAU-34832 , no stock for RDU. Hope to be received on coming Sunday.

No, not share tube. e50dt use longer and 31736 use shorter tube length.

I have made 2 of above for tunning 4 set of drivers in series and parallel instantly, its really saving a lot of efforts and times to set the driver to the desire FR, I'm late , I know lot of DIYers' in here have this already. I'm now playing around the Sonion e50dt with Knowles 31736. The...

I like DD driver, can you share the link or pm me the link. thks so much.

You are right. your eyes are very good indeed. I hv damaged the solder pad. Luckily, I solder it back but still hv sound and the FR looks alright.

oh! This is my 1st time open the cover of the BA driver. ha, ha the sound is from there. thanks, I learn a lot from you.

I hv followed your way to do same, but I don't hv knowles 30095, I just used 31736 instead. I removed the cover with sandpaper, very happy after sand off the cover the FR are still perfectly matched. I hv a question, where is the sound come out. From 1, the small hole or from 2, the narrow...

I spoke with the seller RAU-34832 no more stock, he said, not sure when will have stock, may be after chinese new year. I wanna try this one also. You are lucky if you have it.

I'm finally completed my 1st hybrid iem, it's lasted almost 10 months. My config is tusq 10mm DD / sonion 37ap015 / sonion 2389 / knowles 31736. Two bores can change damper, 10mm DD have front and back vent, 2 dips switch selector with 4 pre-set sound signature. All parts including splitted /...