huangyong

SOLD to a DIY guru

is your SOHA done? how's the sound like?

i want to try too!!!

thanks.. something like tt. but the cone shape bigger and with blades

no no.. i need something that can be used without drill

hello dear fellow DIYers.. I am looking for the kind of tool that will make small hole bigger. .. (dun think that.. ) i remember long long time ago, i saw that tool before, looked like umbrella shape. just need your help that where can I buy it, or can i borrow from you if you have one. THANKS..

found this interesting pic in chinese forum.. thus repost..hee..

bump..

bump.

bump!!

happy birthday!!!...blues is no longer teenage... and neutralzz..you look younger than ur actual age. tt's a complement..

hey friend, you should get a regulated power supply like those used for PPA. also, if you can DIY, please make one yourself. Thus far I dont see any good wall wart(at good price) out there for audio purpose.

Headphone package include: DT880 headphone. Extention Cable. mini to 1/4' Converter. Aluminium Casing.

Hello guys, I have a Beyer Dynamic DT880 headphone, pre 2006 version, which is the Old Flag Ship of Beyer. Bought from Anything Audio during the sales period around April. Now thought of letting it go to finance my possible purchase SA5000. If interested pls let me know. together with the headphone, will give away one DIY Cmoy variant amp for free.Using AD827 opamp for L/R and NE5532 for ground channel, alps pot, powered by 9V battery. SOLD THANKS. UPDATE: unfilled warranty card

PM replied

interested, how much u looking for???

Hello friends, want to sell this 3 channel amplifier kit. the kit inlcudes 3 amplifier boards, all other components except opamps and transformer. you can check out the detail at this thread: http://www.sgheadphones.net/index.php?showtopic=5703 selling at 80 bucks fix. excactly the price i paid for it. interested pls PM me.. Thanks.. I can provide technical support while you are building this. SOLD

wad!!! sent back for repair?? then wad u use as source then???!! also, loop, please write your impression when doing AB test with my amp..hehe

hey, sounds having fun rolling tubes, thought doing caps upgrade??

Just tried the twinkle 3 days ago, didn't have much time to post my impression of it till now. First of all, i must congratulate loop for his great work, the amp is a masterpiece, on par with amp made by digi01,firefox or even better I would say. and this is only his SECOND DIY project!!!! hooray, you made it!!! The actual amp looks better than the one you see on the photo. The case is fantastic!!, only if it costs cheaper..and i will get it for all my DIY amps. The finish of the aluminium face plate is smooth and not much difference from the commercial amp out there. To open the top plate, simple use allen key and apply little bit of force and the screw comes out very easily. Look at the inside.. WoW... neat and tidy, and look closer at the board, fainted@$%$^, he used flux remover. The board looks so clean that as if it was soldered by machine. Some additional info i got from the designer: The amp is actually inspired by PPA, quite similar in term of circuit concept. The major imorovement is this amp employs a constant current source in the output BJT buffer, hopefully it improves the sound (in theory it does). Another improvement is the individual supply for each channel, and the supply circuit is high speed shunt type discrete regulator. This is somehting unique among Chinese DIYers, they somehow prefer this over IC type regulator. On the other side, the westerners usually like to use IC type regulators in their amp, e.g Corda, Gilmore,PPA. SOUND TEST: In This sound test, my primary objective is to find out whether i should build this amp for my current setups. I already own a few DIY amps, and this one defintely will take me sometime. As a wise investor of time, I need to test first before I build the amp. Equipment: Headphones: HD600 + Equinox, pre2006 DT880 (old flagship) Source:Modded Ipod, Apple PowerBook G4 RCA to mini Cable: loop's (cost him $46), mine (cost me $8) AMP: 1. Twinkle with 3 OPA627AP 2. My own amp (own design) Left right channel using OP637BP with stacked BUF634 Virtual ground opa2227 Ground channel with OPA627BP with Class A MOSFET Virtual ground opa134 RESULT: DT880 with Twinkle with Modded Ipod WOw.. very huge soundstage, it reminds me of AKG 501. It makes me feel like I am in a big opera house, and I no longer feel like I am wearing headphopne.. I was listen to an orchestra piece, sitting at the back of the audience sits and listening to the music. The detail is superb and sound is very clean, studio like effect. I could hear most of the background details, too analytical that sometimes annoying. Imaging is its another strength, I can pin point where the sounds comes from, and the depth is there. The down side is the paring is not the match make in heaven. Both DT880 and Twinkle have flat and clean sound, when they work together, the sound lacks of tonal quality, lacks of authority, lacks musical. Big soundtage and details didn't help much when it comes to vocal. OMG, vocal suppose to convey the emotion of the song, but it wasn't there. I didn't enjoy it at all. Conclusion: DT880 + Twinkle is for Studio use DT880 with my amp with Modded Ipod Due to the amp is designed and built by me, I will defend it till death, for my EGO is big when it comes to DIY stuff.. haha... I will surely say my amp is good .. thus, let me quote wad loop said. 1. the 2 amps just sound different. 2. my amp sounds like ZEN, more warmth 3. we both agree that my amp is better in term of tonal quality but lacks details compared to Twinkle. Conclusion: DT880+my amp is more enjoyable (to me) However, the Twinkle sounds superb with HD600, dunno why.. So, I will not build this Twinkle unless I got a HD600 or HD650. Thus I will let Twinkle go, anyone needs it just tell me. Thanks.... Good night!!

anyone heard of Isgaard??? her songs are nice!!!

you can check with northern oak.. i think he has one modded unit

tt's fast... so can you help me to case up my amp too?? or just lend me some tools to do it..