Yeah, the Inspired Laser Designs plastic 80mm computer fan grill material is about 1/8" thick and no way could you use the stock HFM holder with them. The depth is actually exactly right for the HFM undercut and look good IMO.
As stated, the tabs are trimmed and press fit in place. Hold extremely well, as I've sent a friend's HE-6 across the country via UPS with them in place after I did the mod for him and no movement.
Yeah, the Inspired Laser Designs plastic 80mm computer fan grill material is about 1/8" thick and no way could you use the stock HFM holder with them. The depth is actually exactly right for the HFM undercut and look good IMO.
As stated, the tabs are trimmed and press fit in place. Hold extremely well, as I've sent a friend's HE-6 across the country via UPS with them in place after I did the mod for him and no movement.
I used a hacksaw to trim them initially, then a couple files (rough, then finer) to reduce and shape them. With those tools, it's quite easy. Prior to the hacksaw I tried a couple three knives, but it was painfully slow. If you measure first, then mark (with a knife or whatever), you can avoid cutting off too much of the tabs.
Simple. I used a side cutter to precut them close to the diameter needed (KEY point as if you go too small they are ruined), then used a bench grinder to fine tune the fit. They are a very tight press fit.
Simple. I used a side cutter to precut them close to the diameter needed (KEY point as if you go too small they are ruined), then used a bench grinder to fine tune the fit. They are a very tight press fit.
i just tried the grill mod and listen without grill .... there is a difference all in all......( But the possibilities to damage the driver or to put dust in is not worth the slight improvement in the higher frequencies ) BUT if you want to transform really the he 400..... its not this mod not the velour pad mod but the greatest mod i had try is this one : 12 patches of sorbothane (1/8 inches 30 duro ) around the exterior of each cup of the he 400 transform it greatly, more major improvement than the grill mod or velour pad.....i now prefer he 400 to my basic stax system (at least the he 400 are different but on par with it)
.....(no more v-shaped, more u-shaped,less recessed mids, better soundstage) This mod alter anything, this is self gluing sorbothane cut from a sorbothane sheet.....the most important mod probably for headphone and the least costly with no works , very simple is explained on this most important thread :
If anyone else has a 400i, I'd like to hear their thoughts on it without the grill to see if they match mine. I won't say how I feel, just to keep it unbiased
I off the grill, but I'm not sure is an improvement. The soundstage now seems little bigger but not realistic.
I do appreciate more soundstage only with classical music, but is not the headphone for that kind of listening (however the Bethoveen 5th has good punch and enough detail).
I got a few colors of organza from a local fabric store. It's nice and thin, while providing adequate dust protection. It easy to apply with some spray adhesive or carefully applied glue stick glue, so you can test with no protection vs. organza. It also hides the internals somewhat.
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