đŸ”¶ Koss KPH30i

Is that the ear pad of a Focal Clear Professional?

wile-e-coyote-super-genius

Feeling like quite the “genius” today


A couple weeks ago I posted about not liking the sound of the Grado pad mod. Of course I realized today that I bought the wrong pads (much smaller than the cushion pads), and now the shipping times for all of the correct ones are a few weeks.

Looking forward to getting the correct pads and trying again.

Decided to try out the Grado pads on a second (non Yaxi) set I had around. Definitely gets a little more width, imaging, and low-end compared to the Yaxi pads. I’ll be doing an MMCX mod in this pair as well as possibly different tuning (foam maybe try to close them idk yet).
Probably wouldn’t recommend them over the Yaxi pads but they’re fun if you’re just looking to mess around.

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indeed they are. Just put those on out of curiosity. I haven’try tried any other pad yet but this sounds quite nice!

I just got a pair of these suckers and I’m looking to use them on my amps. I noticed somewhere (I forget where, I think on the packaging) a warning about using TRS adapters with these headphones. Could this cause issues? Will anything adverse happen if I use the 1/4 adapter (from my 4XX) on an amp?

I use a 1/4" TRS adapter with mine on many amps and no issues.

I bought these for the hell of it for $20 bucks and I’m like damn, these are great. Right now I have no AMP/DAC, well actually I do have a Yamaha RX-V363 home theatre thingie for speakers and it does have a headphone output but I switched the headphones from there directly into my PC, and couldn’t tell much of a difference. I’m pretty happy with them, but would they benefit much from a better amp?Anyone recommend an DAC/AMP combo or stack to drive these and SHP9500s which are the only other headset I own lol

I’d use them for gaming, video content, and lastly music.

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Literally anything will drive those but a true tube amp. JDS, Topping, Geshelli, SMSL, Schiit, Drop brands


a true tube amp? I think you mean classic tube amp
a OTL, not hybrid. :wink: a hybrid would drive them just fine :slight_smile:

I received the proper full-size Grado cushion pads today (made by Geekria, from Amazon) and just finished a couple hours of listening through my test track list.

All I can say is wow. I liked the Yaxi’s, but these ones are just so much more open and airy in comparison that I am now ruined with the Yaxi’s for music (they sound so congested now). That set will still be my go to for YouTube/Netflix/Plex.

The Grado set pairs perfectly with my LG G7+ with the G series (I think the V’s have it too) impedance matching feature providing a nice power boost. I need to do some testing with my desktop rig to see how it compares.

The sound profile from sub-bass through the high-end extension is awesome to my ears, and I have not used any EQ thus far. I have only found a few tracks that touch the edge of sibilant/crispy, and that is more to do with the mixing/mastering. Another plus is that given the open/airy-ness I am hearing little details in mixes now that I have never heard before, even with my IEMs.

Given what I am hearing now, I am just not in as much of a hurry to try modding them anymore.

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Would you mind linking to the exact model you purchased? I see a few different options for Grado pads from Geekria

Yeah, they definitely make a few. That’s how I initially got mixed up.

It’s:

https://www.amazon.com/Geekria-Earpad-Replacement-Cushion-Earpads/dp/B0155XZLUU/

Thanks, I might get these but honestly right now even with stock pads I don’t find them particularly uncomfortable. Are these sitting on top of the pads you have now or did you remove the stock pads?

I got Yaxi pads on the way, and when my 2pin connector comes in I’m going to do the detachable cable mod and the pad swap then.

I’m trying to do the 2 pin mod now. Never soldered before, so I’m doing it in phases. I dread to think what it would have been like if I’d gone for MMCX.

I removed the stock pads as Zeos mentioned in the video.

For me it was not about comfort, but sound (although the comfort was greatly increased with both). I found the sound with the Yaxi’s was a big step up from stock, and then going to the Grado’s was another big step up from the Yaxi’s.

I am contemplating the detachable cable mod as well as I have some IEM cables that I think would sound really good.

Hm so I bought the wrong size cable for the connectors I’m using. I bought .78mm 2-pin connectors and a cable that is MMCX connector, I’ll need to return it. Also the cable I got has a 4.4mm jack which fits my amp, but now I’m reading that you shouldn’t plug unbalanced headphones into a balanced amp, so I’ll get one that terminates into a standard 3.5mm.

If you’re planning to run one wire to each driver, you’re essentially converting it from single ended to balanced with your mod. The main thing is not shorting the ground by trying to combine the L- and R- signals from the balanced amp into the same pole in a single ended connection to the headphone.

Ah okay, so the mod does have one wire to each driver, so I should be safe in going to 4.4mm. So like a bad thing to do would be like my monoprice retros that have a cable on only one earcup, and terminate in 3.5mm, if I just added a 3.5mm to 4.4mm adapter at the end and plugged it in that would be a no-no?

Depends how the 4.4 adapter is wired internally, but generally that’s correct.

I don’t know if should have posted this here or where it is. It has to do with the KPH30i and the DIY pad swap. Very interesting results by mistake! (Two different sets/sized Grado replacement pads and what a difference between the two).