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Reversible AKG K701 bass mod - Page 11

post #151 of 320
Maybe a good idea to put the tool recommendation on the first post?
Quote:
Originally Posted by Jodiuh View Post

Shoot me a PM and I'll walk you through it, ok?

I've got a busy schedule ahead, so might be a bit to reply, but we'll get you squared away. biggrin.gif
the 1st post?
post #152 of 320

EVERYTHING IS AWESOME!!!!!!!!!!!!!!!!!!

post #153 of 320
Quote:
Originally Posted by Soundsgoodtome View Post

Maybe a good idea to put the tool recommendation on the first post?
the 1st post?

?

post #154 of 320
Quote:
Originally Posted by Jodiuh View Post
 

?


For some reason I thought your post with the step by step was the first post on this thread. Sorry

post #155 of 320
I've tried the mod for a few months and recently reverted. The sound was too bass heavy for my tastes and the phones sounded surprisingly similar to my friend's HD650. A milder bass mod would be nice.
post #156 of 320
Quote:
Originally Posted by Rush87 View Post

I've tried the mod for a few months and recently reverted. The sound was too bass heavy for my tastes and the phones sounded surprisingly similar to my friend's HD650. A milder bass mod would be nice.

An HD650 is veiled and laid back, even with a modded Q701 or K701 it's not even close sounding. The only difference is the extended bass and an actual flatter response (backed by a frequency response graph).

post #157 of 320
Quote:
Originally Posted by Soundsgoodtome View Post
 

An HD650 is veiled and laid back, even with a modded Q701 or K701 it's not even close sounding. The only difference is the extended bass and an actual flatter response (backed by a frequency response graph).

 

Of the 8-10 mid/hi-fi headphones I've tried, it's the two that were the most similar, surprisingliy (no the same of course, the K701s had a bit more "sparkle" and wider soundstage while the H650s had tighter bass). The stock K701s are however very different from the HD650s because of the base quantity. Anyway, that's what I've found out when listening to the stock and modded K701s alongside the HD650s, you can disagree.

I don't perceive the HD650s as veiled, just too bass heavy, the highs are there IMO.


Edited by Rush87 - 5/14/14 at 6:29am
post #158 of 320
Quote:
Originally Posted by Rush87 View Post

I've tried the mod for a few months and recently reverted. The sound was too bass heavy for my tastes and the phones sounded surprisingly similar to my friend's HD650. A milder bass mod would be nice.

 

You could try a couple things:

 

  1. Put strips of foam over the bass ports.  I tried this with several different foams, and got a good balance from a relatively stiff, porous foam (came from my old Grado SR-225 packaging).
  2. Replace the stickers with tape (painters or masking is good), then carefully poke holes with a pin.  I'm currently running my Q701s in this fashion, and the bass is more than covered, but less than wide open.

 

HTH.

post #159 of 320
Quote:
Originally Posted by ThurstonX View Post
 

 

You could try a couple things:

 

  1. Put strips of foam over the bass ports.  I tried this with several different foams, and got a good balance from a relatively stiff, porous foam (came from my old Grado SR-225 packaging).
  2. Replace the stickers with tape (painters or masking is good), then carefully poke holes with a pin.  I'm currently running my Q701s in this fashion, and the bass is more than covered, but less than wide open.

 

HTH.

 

Thanks, I was thinking of experimenting with different materials. Glad to see that you achieved a good balance. I might try your suggestions in a few weeks.

post #160 of 320
You made it sound like it turned the k701 into an hd650 with your first post. It's not what some would want and probably keep them from trying the mod. When in actuality it's not going to turn a 701 to an hd650.
Quote:
Originally Posted by Rush87 View Post

Of the 8-10 mid/hi-fi headphones I've tried, it's the two that were the most similar, surprisingliy (no the same of course, the K701s had a bit more "sparkle" and wider soundstage while the H650s had tighter bass). The stock K701s are however very different from the HD650s because of the base quantity. Anyway, that's what I've found out when listening to the stock and modded K701s alongside the HD650s, you can disagree.
I don't perceive the HD650s as veiled, just too bass heavy, the highs are there IMO.
post #161 of 320

I gave my modded K702 to my friend because I prefer my K601 w/ K702 pads over the K702. He's using the modded K702 w/ K601 pads and he likes it a lot. Granted, he's new to the hifi headphone world but It's actually a really nice balance for someone who prefers a bit more/deeper bass over a detailed and forward midrange and treble. They also seem to dig really deep into the 30/40Hz range with ease and don't increase midbass too much. It's almost like a well-tuned subwoofer being added to a speaker system.

post #162 of 320

Hi there. Has anyone tried this mod with the Q701? Are there similar benefits in the Bass response? I have tried both the K701 and K702 and I have found them totally lacking in Bass body. So much so that I have got rid of both within a few weeks...

 

Best,

 

Leonel 

post #163 of 320
Quote:
Originally Posted by rocksteady65 View Post
 

Hi there. Has anyone tried this mod with the Q701? Are there similar benefits in the Bass response? I have tried both the K701 and K702 and I have found them totally lacking in Bass body. So much so that I have got rid of both within a few weeks...

 

Best,

 

Leonel 

Nevermind, I have found the answer elsewhere in this thread. Very interesting. I am now considering the purchase of the Q701...

 

Thanks.

post #164 of 320

Did the mod with my old K701s last night. 

 

My setup is as follows:  

Home:  Entech -> Gilmore -> K701 or RS-2

Work: Audio-GD -> HE-400

 

Early impressions:  I don't see a reason to keep my Grados anymore with this mod.  I used to love the imaging, sound stage, clarity, treble, and revelation of the K701.  Phenomenal for non-string jazz, electronica, and symphonic music.  However, Grados are just so fun.  I want to enjoy my music, not analyze it.  My K701s haven't gotten much use for a couple years because of this.  I ran across this thread, strangely, searching for parts to replace so I can fix the K701s up to sell.  Thought I would risk it and try the mod.  The cans are now FUN.  I love it!  I don't lose the sound stage, I keep my analytic sound, but they bump and are actually very good for rock, which is 80%+ of what I listen to!

 

Thanks so much for this.  I'm really enjoying them.  I think I'll sell my RS-2s and HE-400s now and fund some Audeze.  

post #165 of 320

Modded my K702's last night and ended up staying up all night listening to music. I think my DT990 pros will be going back in their box as I no longer need to reach for them whenever I want to listen to rock music. I've been listening to a huge variety of music during the night and everything just sounds better. The sound stage is still big, the detail is still there and the response is even flatter than it was to begin with - all that and I now have plenty of bass - I don't think I will be going back somehow.

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