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K340 KT88 mod guide :) - Page 16

post #226 of 229

i had the same k340 like yours, green driver, grey passive radiator. Just tried the half-cotton mod. Man,what a difference. I though my pair was bass-light but now I no long think it is bass light. with half cotton removed, it sounds open, flat and coherent. 

Now I start to understand what an amazing pair of headphone K340 is. Glad I got one almost new pair from ebay. Paid a lot but its worth it. 

post #227 of 229

Hello !

Thank you for your writing on all this pleasing pages

to introduce myself, I am Luc, owner of a professional recording studio in France. here is my website, if ome of you want to know more: 

http://www.dringacademy.com/htm/fern.htm

I have different cans, among which those : stax SRX mark III, akg 701, sony sa 5000, sennheiser Hd 800, and I am using a personnal lamp heaphone, that I have asked a professionnal electronics artist to handmake for me. there are only two amp like this in the world, and it sounds really great. I also use it sometimes as a preamp for my Leesh Aura II, which are the best loudspeakers I have ever heard, and as a professional of sound, I have tried a lot of loudspeakers. among others, I also have a pair of tannoy arden, a very rare pair of tandberg TL 5020. both of which, however very good sounding, as connaisseurs know, are far from reaching the Leedh's quality. The result is what I found as close to my idea of perfection in sound as possible.

after having read this post, I was very curious of listening to that famous k340. I bought one on the net, received it and, hard to believe, it was like brand new. never moded. and no elastic problem, no issue. no scratch. really brand new. Listened to it without changing anything, and was quite surprised, if I compared to what was written on this post. it was said to be lacking bass, but, bass is smashy, sometimes even too strong. the point is that the quality of the restitution completely changes, depending on the song. I have read here that they were not good on electronic music, but it is wrong. tried it on technotronic, "get up", and it was really great. The kind of bass that you can rarely find in heaphones. And I think mine are not the heavy bass model, the driver is green, and if I remember weel, in means bass light ? ( not sure I am not mistaking on this point).

The only more detailed bass I can find in my equipment are those coming from the hd 800. And, of course, from the Leedh, which sound way better than all the cans I have.  Then, troggling thru verut different songs and musics, I went on testing the K340. So suprising, the way it gives an amazing result on some songs, and pale and sad ones, on other songs. Not even talking about the quality of the recording. Because the k340 is not moved by that. In fact, I am puzzled to have to say that I don’t know why it changes  quality so much, when all the other cans also show differences, but not at all that wide. And sometimes, these other cans don’t show a noticeable difference, that the AKG shows.

After that, I decided to mod the heaphones as explained in the head fi thread.

Read the message that explains that there is no use in modding the wire connections, and felt easy with it because when I first read this very modding, I didn’t feel comfortable with ot, meaning I couldn’t see the point.

So, because I was not sure of the efficiency of cutting the center grid, I just removed it, and could mount back the whole parts except the round grid, the holes for the screws are deep enough to re-screw this part without need to make a deeper hole. I could go back to original, if it was necessary.  Then, if you make this mod this way, you will very  probably notice the same thing as I heard : removing the grid in front od the driver removes also a lot of bass. Try it, again, on technotronic, (just because it became my reference song for this bass question on this text) and you will hear it distinctively. Removing the cotton did not change anything, in my short test about that.

So I mounted it back, as original, and found back what is so pleasant in it. Its very personal way to play music. Sometimes making listeners re discover songs or musics, sometimes seeming to say “I don’t like this song, so I will trash it.” And it does.

Now, I am listening to Rachmaninov, classical music I am very fond of. It sounds perfect. And then I am happy to be able to notice that the k340 likes Rachmaninov.

So, to me, this moddings didn’t bring anything good. Even if I know that sometimes, modding is good. (For instance, I wrote something about the strange modding of my stax, that gave more bass ( the stax need more bass than the k340)).

Not willing to say that wanting to mod is bad, but just wishing to share an experience that you can try too. If you keep honest all along this test, I am quite sure you will have the same result.

I once was mixing a song. Better say it was the final equalizing, though. After months of work on this song. Spent a long time on it. Making changes on the faders of the equalizer. Little changes, bigger ones, listening hard.

At the end of the day, I found it correct. Thought it was a good balance. And I went to sleep.

On the following day, I played the final song. And was very disappointed ! it was flat, and nothing comparable to what I had left in my computer, the day before. Exactly as if I had dreamed I had work, and In fact done nothing  !

It took me a few minutes, to realize, at last, that yes, I had moves the faders of the equalizer the day before. But the know to activate the equalizer was not, and had never been put to on !

Astonished, I saw that my mind/brain had made the whole work of the equalization, as I moved the faders, my mind did the job ! but certainly not the machine. Can you believe that ? try it, and you’ll see.

That is probably why, when we make mods on cans on whatever, on the following day, we keep on being unsatisfied. Because when we wake up and listen again, all what we had built inside our minds has gone…

That is also probably why those people who sell very expensive cables make their money out of our mind’s work. Because if you ask your ears to be perfectly honest, and not influenced by the amount of money you may have paid, you will notice that a very expensive cable doesn’t add anything to the quality of the sound, compared to a good quality one, and reasonably expensive. Except in our personal ears and brain.

post #228 of 229

why does headphile charge so much for a simple recable? It should not cost me $240.

post #229 of 229

I realize I am responding to an old thread andI'm hoping that you are still involved with the AKG K 340's. I recently decided to get back into audio in a small way so I dusted off my old Apt Holman preamp,and Bryston 4B amp etc and purchasd a set of AKG K340 headphones, so I have a few questions for you. Although my Apt headphone circuit runs the phones I was wondering if a tube headphone amp (ie LDiii ) would improve things considerably or would a direct connection to my Bryston amp speaker terminals be a better way to go? Do you still have access to replacement pads? If so how do I go about buying a set? Would you still agree the mods you have completed improve the overall sound?

Thanks for your help.

Shane from Canada

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