Nice oneā¦ Iāve swapped back to the Black Limba for some more extended listening and Iām in love with the thickness of bass. 
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The level 1 tune-up shipped today for my th610. The chambers are still in āprocessā and should be ready in 3-6 weeks. I went with a type 2, museum grade Hawaiian Koa. I chose a type 2 because my Denon D5000 is a type 3 (exhibition Wild Sissoo Rosewood) and Iām hoping it will be different enough to not be too redundant.
Curious to see what it will be like with just the driver tune up and then trying the Lawton pads and stock pads while waiting for the chambers to arrive.
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The tune up is not going to change the FR in any real way. Do a lot of listening before Installing it then a lot after and youl pick up on the technical improvements. The cups are where the real upgrade is imo. Hawaiian Koa is gorgeous. Iirc they should have a bit less treble and a bit warmer sound. Canāt wait to see some pictures.
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That is what Iām after for this set.
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@Hilton
I was going back through some of your posts here and on another site. Somethingās dawned on me unless Iāve missed it. Did you only do the chambers mod and not the driver tune-up too?
Yes just Chambers. TH610 donāt really need the driver tuneup kit. They already have the most felt included by default of all the Fostex range.
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OK and thanks for the why!
Getting closer to doing the Mod (ā¦maybe ?)
The chambers are still not expected for another 4 weeks, but the cable I ordered from Hart Audio has arrived and just today I ordered a set of the Dekoni rings - just in case. I have not yet picked out any different pads (besides the Lawtonās that came with the tune-up), think Iāll wait on those.
I have not applied the tune-up yet, Iām debating if it is necessary. Also, Iāve been reconsidering the whole mod (I know a little too late now), but the stock 610 is sounding really, really good on the v281. I might just want to keep it stock. However, Iām getting a different DAC to pair with the v281 so I will wait and see how the stock 610 sounds first with the modified source before making a final decision.
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It will only sound even better after the full mod. I might have a new pad to recommend in a few days, but right now I still rec the Ori hybrid.
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When I first modded my X00 I did just the driver tune up and had a brief listen with stock cups. My memory is the treble smoothed out and sounded more natural overall. The mids also came forward just a bit. The chambers made a bigger difference but the tube up just seemed to smooth and tighten the overall presentation.
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I need to do some more listening, but the Yaxi alcantara pads might tame the treble just enough for your Lawton purple hearts. Like I said, I need to test more, but so far Iām liking them.
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Iāve had the yaxi alcantara for about a month now. I donāt find it tames the treble much at all. I had to add a layer of foam to filter some of the treble out. I also had to use really large attenuation rings to get the bass to acceptable levels. I reverted to Lawton Pads. Of courseā¦your mileage may vary
From my initial listening the Yaxis are a bit MORE bassy (boosted at ~50hrz) with my Ovaltine attenuation rings. Iām not sure about the treble, but there is something different in the upper half of the FR.
the bass is lower for me, but I am using a TH610, so the driver is a bit different if you have a TH-X00 or whatever driver you have. either way, I felt the sound was disjointed as it lowerd the upper mids and moved the treble boost from the lower treble to the mid and upper treble. It also completely crapped on the lower mids from around 250 Hz to 400.
That might be whatās happening in the treble, a bit less upper mids, less lower treble, and more upper treble. And yes, Iām using am X00 with the Lawton cups and tune up.
I must say though, these are just so comfy.
The hole size is nice, but I hate suede. It pulls on my beard and makes me sweat more than leather surprisingly. I try to avoid velour, suede or alcantara at all costs.
You where right. The bass is reduced compared to the Ori hybrids I usually use. It just seemed like a boost at first listen since the sub bass was reduced more, so it seemed like more bass/mid-bass. Other than that nothing else is jumping out at me yet.
Yes, you are right. That is what I gathered. The drop in the upper mids makes the bass more presentā¦but I wouldnāt say it was more in comparison to ZMF pads. They are pretty comfy though.
I think @Hazi59 had the sound changes pretty much spot on. With the Yaxi alcantara pads, bass is reduced a bit (although on my Lawton modded X00s there is an odd boost as ~50hrz), the lower mids are not quite as full, the upper mids are less forward, and the treble is about the same (all this is in comparison to the Ori hybrids). What I donāt agree with him on is that they sound as bad as he says. They sound good, just not as good as the Ori hybrids. If you have a different type of wood or are using a stock cup as apposed to a Lawton chamber, YMMV. These are not going to replace my Ori hybrids, so I guess itās time to try them on my DT770 250ohm.
Sorry for the false hope @WaveTheory , I guess my ears where a bit off that evening.