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Modding the Superlux hd681

post #1 of 25
Thread Starter 
i was pointed to rock grotto, a euro based audio forum, and discovered that the superlux hd681 is a popular budget can there, much like the jvc harx700 is arounf here. also found a lengthy mod thread/
apparently, the hd681 has a substandard cable. while not a big believer in recabling (i have a few custom cabled headphones), i know that a not-good-enough cable can affect a signal in a negative way. 20 minutes later, i have a mogami dual entry on my 681.

of course i did one side at a time for comparisons sake. the highs have come out a lot, bass slightly tightened. a little more audio-technica-ish in the sound signature. will spend some time with this and report back
post #2 of 25
Thread Starter 
decided the mogami made the highs way too aggressive, went with a denon d2000 cable.bass more prominent
post #3 of 25
You wanna re-cable mine? I just put AKG velour pads on mine and called it a day.
post #4 of 25
Thread Starter 
post #5 of 25
I'm not sure I want to invest time/effort in modding these cans but I'm quite happy with the purchase. Kinda like my K240S but with bass.
post #6 of 25
Interesting, another cheapie to play with! So you didn't like the Mogami and used a D2000 cable... you just had that laying around or pulled it off your D2000s in desperation?

How do they compare to the RX700 or other?
post #7 of 25
The mod there was a head fier, who was a good contributor.. I bought his PS. Great guy to deal with, but was banned. Don't ask why.. Lets just say, typing while drunk is a bad thing.
post #8 of 25
Thread Starter 
Quote:
Originally Posted by Graphicism View Post
Interesting, another cheapie to play with! So you didn't like the Mogami and used a D2000 cable... you just had that laying around or pulled it off your D2000s in desperation?

How do they compare to the RX700 or other?
lol-i had a spare d2000 cable!

compared to the rx700: most would prefer the rx700 as smoother and bassier. the recable helps the hd681 a lot- i assume the stock cable must be horrible quality- internally it resembles cables from the 70s and early 80s.
recabled, they are very different. the jvc wins in comfort and bass. the superlux in highs and upper mids detail
post #9 of 25
Quote:
Originally Posted by ourfpshero View Post
lol-i had a spare d2000 cable!

compared to the rx700: most would prefer the rx700 as smoother and bassier. the recable helps the hd681 a lot- i assume the stock cable must be horrible quality- internally it resembles cables from the 70s and early 80s.
recabled, they are very different. the jvc wins in comfort and bass. the superlux in highs and upper mids detail
Thanks I might give them a try for what it's worth. I already have the bass covered with my Ultrasones and consider the 700s somewhat balanced in comparison. Lately people around here have got in their heads that cables make zero difference and all sound identical, I'm kinda on the fence playing the agnostic right now but if you say the mogami was too bright that must have some relevance. I've wanted to try Navships cables for a while, hopefully they will match up nicely.
post #10 of 25
Thread Starter 
recabling is a mixed bag. i have recabled some headphones to hear no difference at all. i always do one side 1st so i can side-by-side compare on my head. on others, slight difference. this time however- huge difference

from my basic electrical knowledge- once a cable is 'good enough' (well shielded and can carry the info it receives), then recabling does not do much.
an ez experiment- grab a cheapie rca cable from a 99 cent store. use it as a video cable and see the fuzzy video! obviously cables make a difference at some point
post #11 of 25
Quote:
Originally Posted by ourfpshero View Post
an ez experiment- grab a cheapie rca cable from a 99 cent store. use it as a video cable and see the fuzzy video! obviously cables make a difference at some point
Video and audio signals are two different animals.

Anyway, did you re-cable your 681s single sided or dbl sided?
post #12 of 25
Thread Starter 
Quote:
Originally Posted by Ear Damage View Post
Video and audio signals are two different animals.

Anyway, did you re-cable your 681s single sided or dbl sided?
just made the video comparison because its ez to see the difference that cable quality makes.

i recabled double sided. there are holes on both sides- the right side just has a rubber grommet so it was ez. i will post pics- didnt have my camera all weekend
post #13 of 25
I'd like to see that and perhaps a lil tutorial as I may take a stab at soldering my fingers together for ****s n giggles.
post #14 of 25
Thread Starter 
heres a pic. the 1st post in the rock grotto link has a nice pdf showing disassembly
LL
post #15 of 25
Thread Starter 

nice find- i've been curious about the other flavors

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