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  #1 (permalink)  
Old 09-04-2009, 05:08 PM
nickchen's Avatar
Headphoneus Supremus
 
Join Date: Feb 2005
Location: EU, Western Teutonian low mountain range
Posts: 2,946
Default Yuin PK1 clipon mod

I have tried a lot of stuff in the recent years, but nevertheless I was really impressed by the PK1's abilities. I love their emotional sound signature, the details, the punch and the sweeet mids - almost a small Gradessandro.

Fit was an issue though, they slipped or even dropped out of my ears from the slightest physical influences. My buddy NoXter got the idea to convert them into clipons (kind of), great idea, so I proceeded, team tinker again.



Basis was 2 lines of braided solid copper wire taken from obsolete house electricity cables with a final "coating" out of heat shrink tube. The buds got semi-fixed with some soldered thinner wire. Copper wires and thin wire got soldered together before applying the shrink stuff.

Soldering was tricky as I did not want to grill buds or cable, so I made a temporary protective thingway for the soldering phase and pushed the wire loop in place later. Needed several attempts to get the perfect wire loop diameter that was wide enough to be pushed over the thicker lower end of the bud, but still provided sufficient fixation. The surface of the buds got scratched a bit, but I don't care, they are ugly bastards anyway. Final step was careful compression of the "loop-in-place" by means of a gripper.



The semi-moveabilty is important IMO, the buds can still be moved/leaned ~5mm in vertical direction, but don't move much sideways or clockwise.

It took me approx. 15min to bend the wire towards a rough fitting which provided good sound (a mirror helped), but almost 2 more days of slight fiddling here and there to get rid of remaining pressure marks and other discomfort issues. Perfect now. I can wear them for hours nonstop, and I bet I could utilize them even for jogging or downhill biking.

I originally regarded that solution as provisorical and intended to build something more solid later, but things turned out to be much more practical and robust than expected, so I propably keep it unaltered.
__________________
MS Pro"Ultimate", DT880CB, , K271, PK1, ANC7---- Rockhopper Millet, DIY-Cmoy
Gone: MS1000, CD3000, MS2i, DT990 (~1990), DT770'250(2003), DT531, HD595, A900, K81, PX100, KSC75, Portapro, EP630, pimped BTech
Meet Junky----Adored: MS Pro "Ultimate", AD2K (cotton mod), CD3000, PS1000, K701, W5000, HD800, SR4070, MS1000----Liked: Lambda Pro, DT880'03, DT880'05, MS Pro, SR404/303, K271, A900TI, W100, US E9, MS1, PS1, MS2i, HD650, GS1000, K601, W2002, W10, DT770(2005), D2000, ANC7, PK2, MB Quart 400, ES7, DT531, Proline 900, PX100, SR202----Accepted: HD600, K1000, DT770(2003), A900/950LTD, DT990, HD25-1, SJ5, W1000, SR225, D1000, K24, K401, SR325, Proline 900, HFI 680, K530LTD, K240 Sextett MP, CD480, KSC75/PP----Disliked: AD2K (stock), SA5000, SR007, HD5*5, V700, EP630----Hated: DT770M, K240M, K26/27

Last edited by nickchen; 09-04-2009 at 05:22 PM.
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  #2 (permalink)  
Old 09-04-2009, 06:15 PM
1Time's Avatar
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Default

Should be posted in the portable forum, not the full size.
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Please make your posts more helpful by stating what equipment the mentioned headphones are plugged into. Headphones often sound worse or much better depending on the source and amp used. Your signature won't help those who later read your post after you've changed your sig to a new rig. Thank you!
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  #3 (permalink)  
Old 09-04-2009, 06:17 PM
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Default

Hmm, that doesn't look very practical... and I've never had problems with Yuin buds staying in my ear.

Why not try the G1A clip-on instead?
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  #4 (permalink)  
Old 09-04-2009, 07:17 PM
nickchen's Avatar
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Location: EU, Western Teutonian low mountain range
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Default

Quote:
Originally Posted by 1Time View Post
Should be posted in the portable forum, not the full size.
Dammit, you're right, I forgot about that subforum because I almost never was there.

Any mod around to shift the thread?
__________________
MS Pro"Ultimate", DT880CB, , K271, PK1, ANC7---- Rockhopper Millet, DIY-Cmoy
Gone: MS1000, CD3000, MS2i, DT990 (~1990), DT770'250(2003), DT531, HD595, A900, K81, PX100, KSC75, Portapro, EP630, pimped BTech
Meet Junky----Adored: MS Pro "Ultimate", AD2K (cotton mod), CD3000, PS1000, K701, W5000, HD800, SR4070, MS1000----Liked: Lambda Pro, DT880'03, DT880'05, MS Pro, SR404/303, K271, A900TI, W100, US E9, MS1, PS1, MS2i, HD650, GS1000, K601, W2002, W10, DT770(2005), D2000, ANC7, PK2, MB Quart 400, ES7, DT531, Proline 900, PX100, SR202----Accepted: HD600, K1000, DT770(2003), A900/950LTD, DT990, HD25-1, SJ5, W1000, SR225, D1000, K24, K401, SR325, Proline 900, HFI 680, K530LTD, K240 Sextett MP, CD480, KSC75/PP----Disliked: AD2K (stock), SA5000, SR007, HD5*5, V700, EP630----Hated: DT770M, K240M, K26/27
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  #5 (permalink)  
Old 09-04-2009, 07:31 PM
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Nice mod nickchen. Not as impressive as your Grado mods however.

I have smaller ears, so the PK1s have a great fit for me. And having a good fit/seal always seems imperative to having the fullest sound possible. Why not try Kostalex's idea and maybe you will be able to achieve a better fit: MX75 foams - recommended for PK1, PK2 and other earbuds

So, impressive little earbuds aren't they? A nice alternative to those who dislike the feel or isolation of IEMs, or the bulkiness of full-sized headphones.
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  #6 (permalink)  
Old 09-04-2009, 07:58 PM
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Quote:
Originally Posted by koven View Post
Why not try the G1A clip-on instead?
I explicitly wanted buds due to their invisibity as extreme alternative to my other gear. I normally use my K271 on the go, even in public areas (yes, I am self confident).

@Philimon: Thank you for that link, I'll give this a try in medium terms.
__________________
MS Pro"Ultimate", DT880CB, , K271, PK1, ANC7---- Rockhopper Millet, DIY-Cmoy
Gone: MS1000, CD3000, MS2i, DT990 (~1990), DT770'250(2003), DT531, HD595, A900, K81, PX100, KSC75, Portapro, EP630, pimped BTech
Meet Junky----Adored: MS Pro "Ultimate", AD2K (cotton mod), CD3000, PS1000, K701, W5000, HD800, SR4070, MS1000----Liked: Lambda Pro, DT880'03, DT880'05, MS Pro, SR404/303, K271, A900TI, W100, US E9, MS1, PS1, MS2i, HD650, GS1000, K601, W2002, W10, DT770(2005), D2000, ANC7, PK2, MB Quart 400, ES7, DT531, Proline 900, PX100, SR202----Accepted: HD600, K1000, DT770(2003), A900/950LTD, DT990, HD25-1, SJ5, W1000, SR225, D1000, K24, K401, SR325, Proline 900, HFI 680, K530LTD, K240 Sextett MP, CD480, KSC75/PP----Disliked: AD2K (stock), SA5000, SR007, HD5*5, V700, EP630----Hated: DT770M, K240M, K26/27
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  #7 (permalink)  
Old 09-09-2009, 06:56 PM
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Quote:
Originally Posted by Philimon View Post
Why not try Kostalex's idea and maybe you will be able to achieve a better fit: MX75 foams - recommended for PK1, PK2 and other earbuds
Amazing how much bass these small suckers can provide with a good seal!
__________________
MS Pro"Ultimate", DT880CB, , K271, PK1, ANC7---- Rockhopper Millet, DIY-Cmoy
Gone: MS1000, CD3000, MS2i, DT990 (~1990), DT770'250(2003), DT531, HD595, A900, K81, PX100, KSC75, Portapro, EP630, pimped BTech
Meet Junky----Adored: MS Pro "Ultimate", AD2K (cotton mod), CD3000, PS1000, K701, W5000, HD800, SR4070, MS1000----Liked: Lambda Pro, DT880'03, DT880'05, MS Pro, SR404/303, K271, A900TI, W100, US E9, MS1, PS1, MS2i, HD650, GS1000, K601, W2002, W10, DT770(2005), D2000, ANC7, PK2, MB Quart 400, ES7, DT531, Proline 900, PX100, SR202----Accepted: HD600, K1000, DT770(2003), A900/950LTD, DT990, HD25-1, SJ5, W1000, SR225, D1000, K24, K401, SR325, Proline 900, HFI 680, K530LTD, K240 Sextett MP, CD480, KSC75/PP----Disliked: AD2K (stock), SA5000, SR007, HD5*5, V700, EP630----Hated: DT770M, K240M, K26/27
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  #8 (permalink)  
Old 09-13-2009, 11:11 PM
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Quote:
Originally Posted by nickchen View Post
Amazing how much bass these small suckers can provide with a good seal!
Yeah...
I find it too much at times (or atleast with certain recordings)... The extra bass is not so bad in not so quiet public portable situations... If I find something not too my liking - I plug in the MS1000 and it sounds just fine (the AD900 sounds good with everything of course ). ...IMO...
I liked the sound signature of the headphones (minus the bass), and that was what I was looking for in a full-sized headphone (plus the benefits of having a full-sized headphone). Which made me look towards more known "bass-light" headphones relative to other members thoughts/reviews.
I just assumed you didn't find the PK1s a little too bassy like me because of the seal issue... I would prefer a little less bass in my situation, and perhaps using no foams at all could solve that (never bothered going foamless, because I thought it would be uncomfortable). I should give it a try. BTW I use the donut foams.
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Last edited by Philimon; 09-13-2009 at 11:33 PM.
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  #9 (permalink)  
Old 09-13-2009, 11:15 PM
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I should stop being so picky. They are good headphones, and still get used more than my two newer and "better" headphones.
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  #10 (permalink)  
Old 09-13-2009, 11:27 PM
Philimon's Avatar
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You might as well loop the wires back around your ears as well to help with the microphonics... You couldn't look any more silly anyway...

Its all about the sound baby.
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  #11 (permalink)  
Old 09-14-2009, 03:36 PM
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If you find the bass too strong, you'd better try suboptimal sealing. With such non perfect sealing, I found the bass K701ish, whereas I have MS2ish bass actually (boom-badaboom)
__________________
MS Pro"Ultimate", DT880CB, , K271, PK1, ANC7---- Rockhopper Millet, DIY-Cmoy
Gone: MS1000, CD3000, MS2i, DT990 (~1990), DT770'250(2003), DT531, HD595, A900, K81, PX100, KSC75, Portapro, EP630, pimped BTech
Meet Junky----Adored: MS Pro "Ultimate", AD2K (cotton mod), CD3000, PS1000, K701, W5000, HD800, SR4070, MS1000----Liked: Lambda Pro, DT880'03, DT880'05, MS Pro, SR404/303, K271, A900TI, W100, US E9, MS1, PS1, MS2i, HD650, GS1000, K601, W2002, W10, DT770(2005), D2000, ANC7, PK2, MB Quart 400, ES7, DT531, Proline 900, PX100, SR202----Accepted: HD600, K1000, DT770(2003), A900/950LTD, DT990, HD25-1, SJ5, W1000, SR225, D1000, K24, K401, SR325, Proline 900, HFI 680, K530LTD, K240 Sextett MP, CD480, KSC75/PP----Disliked: AD2K (stock), SA5000, SR007, HD5*5, V700, EP630----Hated: DT770M, K240M, K26/27
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