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BLU TAK MOD!!!

post #1 of 21
Thread Starter 
so i have sennenheiser 280s that i just got. i really like them. i was wondering how the blu tak mod actually effects sound

i have the feeling that it owuld sound like if you cup your hands over the phones. is this true? when i cup my hands over them (with out appling more pressure to my head, just cupping) i get more distinctive and pronounced bass

is this what i could expect from the blu tak mod? i just dont want to coat my new phones with tak only to find no sound change or a negative one.
post #2 of 21
I too would like to know more about these mods are done. Any help (or guiding pictures) would be very much appreciated.
post #3 of 21
There is a change in the sound, midrange will stand out a bit, and more subbass, plus a little roll off in the highs so less fatiguing. Overall the sound is less bright and more refined. The amount of subbass is proportional to the amount of blutak you apply to the cups.

Try search the forum, you will find some tips and maybe even pictures. I clearly remember there were threads discussing this mod (it was originally a K271 mod, but anyhow works for HD280 too). Anyways, I can upload some pictures too in a few mins.
post #4 of 21
Quote:
Originally Posted by derek8555
Anyways, I can upload some pictures too in a few mins.
Very much appreciated!
post #5 of 21
Ok, so the steps are:

1. carefully remove the pad from the cup to reveal 2 screws.
2. Unscrew them.
3. Now you will notice that there is a gap between the faceplate and the cup. Pull the faceplate out carefully (straight up) and be careful not to apply too much force because the driver is mounted on the plastic plate and if you pull too hard you might break the wires attached to the driver.
4. Now you can see two chambers, one is big the other very small, and the wire is locked into a little gap between two. Take it out carefully, and then put the driver aside. You only need to modify the bigger chamber.
5. The chamber in question has an inner circle and the overall shape is like an egg. Now apply 1mm of blutak evenly to the surface. to cover all area in the chamber.
6. Reassemble.
7. Now do the other side.

And you are done. Enjoy!
post #6 of 21
After removing the pad:

*you can see the two silver screws, remove them.

Now after removing the two screws and open up the cup:


*be careful with the wire. And dont forget to lock it back when you finish modding the cup.
**This is the left cup with PCB in there, be careful with that too.

Putting back on the pad is a bit tricky, start with one side, dont try to put it back at once, the pad can be ripped easily.
post #7 of 21
Quote:
Originally Posted by Zorander
Very much appreciated!
Some huge pictures uploaded. You are very welcome.
post #8 of 21
Ahh... beautiful! Thanks for the pic!

Are there alternatives to using Blu-tack? It seems hard to get one where I am (unless I have been looking at the wrong place). Also, Dr. Meier's site has a tip on using pieces of foam as well. Any idea what (or how to achieve) he meant by "placing a piece of foam on top of the driver"?

Cheers!
post #9 of 21
Look into places where selling office supplies. I could not find "Blutack" but found "Reusable adhesive" which are essentially the samething. They are blue too, like big gum pieces.

placing a piece of foam on top of the driver? I suppose that means driver-foam-ear? Maybe put on top of the pad will be fine. I guess that will further reduce the amount of treble and give some more bass boost?
post #10 of 21
I'm getting some K81DJs very soon, will remove those foams and put in here, maybe too small but good enough to feel the change I guess.
post #11 of 21
Thread Starter 
so the sound would be considered an improvement all around?

thanks alot for the instructions guys (the pictures are great) as this was an added bonus. im more worried on the sound because im not one of those lazy bums who just post instead of searching the forums for instructions.

since mine are only a few days old, im going to let em burn in for another week and then conisder the mod. after the first 15 hour burn in the bass was already more pronounced.

im wondering how people say theese dont have good bass. just because it isnt the most pronounced area of sound doesnt mean it isnt very clear and deep.
post #12 of 21
Quote:
Originally Posted by ChaseD13
so the sound would be considered an improvement all around?

thanks alot for the instructions guys (the pictures are great) as this was an added bonus. im more worried on the sound because im not one of those lazy bums who just post instead of searching the forums for instructions.

since mine are only a few days old, im going to let em burn in for another week and then conisder the mod. after the first 15 hour burn in the bass was already more pronounced.

im wondering how people say theese dont have good bass. just because it isnt the most pronounced area of sound doesnt mean it isnt very clear and deep.
Let them burn in for around 100 hrs or so, ideally 200+, then you will hear difference. Do the Blutack mod, and they'll get more musical rather than the bright and anaemic nature of them. I find them much more enjoyable after the mod. And yes the bass is there, just not in big quantity, and the lack of midbass make them sound less than ideal, the mod fix that a bit. But of course this mod still cannot bring them to be one of the best closed cans in $100 range. Good for gaming though
post #13 of 21
Thread Starter 
well these fall in the 75$ imo lol.

what would u have recommended for this price? the akgs?

plus they sound fine unamped imo.

i didnt want to spend more than this as i already have a solid stereo system and these are for late night lisnening.


im going to be a sophmore in highschool this year and im figuring that the loud stereo wont work out well in college. im guessing ill spend like 500$ or so on a headphone setup once i leave. of course im going to need a new computer (a laptop i guess) as well. forget college admissions, all the stuff im gonna buy before i go is gonna leave me permantly broke.
post #14 of 21

I just did the blu tack mod and my senns sound much better. Especailly for a rap lover like me, the bass makes the song so much better. Also it sounds little bit more animated and its very fun to listen to. Definitely a plus. Love the punchiness

post #15 of 21

wow new record.  5 years bump.

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