Fostex TH-610 announced

I bought the th-610 right after it became available and really liked the bass, but it was too sibilant. (I had Modi Multibit and Vali2 and some daps that time)
Already sibilant tracks were almost unlistenable and I heard sibilance on tracks where I've never heard before. (e.g. for example Jack Johnson's voice on the track Banana Pancakes sounded sibilant enough that I couldn't enjoy it. I even went to a store to listen an other th-610 to make sure mine has no problem, but it was the same) Are the th-x00 and the emu-teak similar?
I really liked it with electronic music, but sold it eventually.

 

Can't compare as I haven't heard both, just the th-x00, however Tyll is pretty sensitive to sibilance and he enjoyed the x00's.

 

I bought one today, will have it next week.

 

Check out my th610.

Th900 cups retain the same over all signture with a little more bass sub 100hz.

Working on a hefty mod to clean up the sound and make it more neutral. Ive been modded fostex biodyna for years now. Planning to make this obo the biggest mod I've ever dine for this particular series (thx00/600/610/900). Do note that I've done some very extensive driver mods to thx00. I'm hoping to avoid some of that.

Also I'm going to offer cup painting services. Working in recreating the appearance of these cups in different colors. Already achieved that somewhat. Just gotta refine my paint mixtures.

 

I am thinking of making a 1/5" felt disc with a compass cutter for the inside of the cup which is flat just to see what happens. Hopefully it tames the treble a bit.

Otherwise it sounds good just a tad bright.

 

Measurements / trustworthy friend impressions before loaner tour please. But potentially interested.

 

Inside the cups?

Will not affect treble at all. Mind you it already has some loose damping in the cups.

You want to place the felt over the driver grill or over the pad filter. Ear side of course.

You will want to use loose felt (low density) at first for a very minor effect, thick felt (dense) for more an effect. Lastly you can try two ply hand paper or toilet paper for muffling effect on the treble.

 

Hi

I put the discs in after carefully removing foam and cleaning off residual adhesive. Combined with the stock foam it tames the treble and maybe the bass too. Remove the stock foam and bass get's more lively, treble still seems to be fine still not as bright as it was in stock form.

EDIT: I think the felt disc with no white foam is best for me. Bass is looser and treble is tamed enough. I'll admit I am kind of shooting the wind and not sure exactly what I am doing. I am going to assume it reduces reflections. I took the idea from Lawtons foam lined cups.

Experts please chime in.

Felt: https://www.amazon.com/gp/product/B074QMY6M5/ref=oh_aui_detailpage_o00_s02?ie=UTF8&psc=1

Compass cutter: https://www.amazon.com/gp/product/B003D8C784/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

 

I am also using these lambskin pads in the middle here with a dekoni ring. They are like a beefed up version of the stock pads. They are nicer sounding and more comfortable to my ears than the th900 and stock pads.

I do have spare sets if anyone is looking but do advise using the dekoni attenuation ring which fits and lines up perfectly.

 

Interesting.

I haven't had any measurable differences with loading the cups with felt. Silverstone foam and dynamat loading...yes. never with any felt.

I also using Eikon pads with appropriate modification to offset changes.

Those interested in pads keep in mind that the wider the ear hole the more lower mid dip you get. Example stock th900 pads and dekoni pads being the most extreme and showing a 2-3db dip. Eikon pads have a minor dip a about .5-1db around 500-600hz. More bass Sub 120hz. And a bit more upper mids and treble.

To off set the uppmid/treb boost add a low density felt disk over the pad filter.

To off set the bass boost get a piece of sticky craft felt and cover one hole of the two rear driver ports.

Staging increases with the pads and so does comfort.

No need for attenuation rings. I 3D printed them and didn't like the effects it has on staging and messes with the treble on these particular pads. Dekoni pads certainly need the rings but these do not.

Will post pics when I get home.

 

I have Eikon style pads, the stock ring is a tad too small. I'd love a 110mm adapter to fit it to the housing.
I had though about making one on tinker cad and maybe combining the attenuation ring.

I am ideally looking for a small mid bass boost. The lambskin stock style pads I used are very nice.

 

Ah an adapter would be easy to model up. Pads are a bit loose. I'll see what I can do.

Try break the seal of the pad a bit. You can get a bit of sticky felt and place it between the pad adapera and the driver mounting plate. This will reduce subbass since you're messing with the seal but you gotta be careful since you can easily kill all bass.

There's another way to control bass and overall sound sig too. That's changing the foam over the driver. I'm workinf on something for that too.

However that's a critical piece that affects seal too.

 

If I am honest the bass is pretty good with these guys pictured right below, The 1/5" felt disc on it's own adhered to the back of the cup is indeed my favorite config so far.

I would love to be able to have an adapter for the Eikon pads so they don't move as easily.

 

Any recommendations on the placement of the silverstone foam etc. I have found after several weeks use it's not as sibilant. The pads above though are the best for bass while keeping the mids and highs in check, basically a beefier lamsskin stock pad but slightly bigger.

The th900 pads also with the dekoni attenuation ring has ridiculous bass but the mids recess a little.

I have 3 sets of these pads left if anyone is interested.