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 The ZERO DAC + Headamp (NO 56K), OWNERS!!! REPORT IN!!!!

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GodLuvSxS
post Jun 10 2008, 08:59 PM

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QUOTE(velodyne82 @ Jun 10 2008, 08:33 PM)
stautus for DAC???
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Hi there, tomorrow is the promised arrival date, will phone the representative tomorrow, stay tuned smile.gif
GodLuvSxS
post Jun 11 2008, 01:49 PM

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QUOTE(velodyne82 @ Jun 11 2008, 01:02 PM)
status??
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Just back from lunch smile.gif Anyway phoned the logistic this morning, shipment already arrive at Port Klang, now waiting for Uncle Kastam's clearance biggrin.gif Hope they clear it fast cool2.gif
GodLuvSxS
post Jun 12 2008, 11:15 PM

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QUOTE(ccschua @ Jun 12 2008, 03:12 PM)
My samples LT 1358 is in Malaysia. LT local agent called me that he will deliver by post to me. Then it is PK time for LT 1358, DY2000 and LM4562.
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Wow, that was fast! I waited over 3 months just to get it sad.gif Looking forward to see how it fares against DY2000 and LM4562 smile.gif Anyway I'm still wondering when the headfi's HDAM vs OPA627 review comes out, that's really interesting biggrin.gif
GodLuvSxS
post Jun 15 2008, 09:35 PM

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QUOTE(ccschua @ Jun 13 2008, 07:26 AM)
It was widely discussed Bursons HDAM is not made by him, but rebadged from Chinese products. Chinese products is not bad nowadays. Loot at the Zero, Zhaolu, Yulong, Bada, Xindak, etc.

------------------

Yes just got the following

LT 1358

LT 1028 x 2

LT 1057

LT 1361

LT 1469

.

PK between LM 4562, LT 1028 and LT 1358.
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How's the PK result so far? I'm more interested in how LT1028 performing smile.gif
GodLuvSxS
post Jun 19 2008, 10:06 AM

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QUOTE(ccschua @ Jun 18 2008, 09:39 PM)
compare burson with Lawrence, it is about 50% more expensive. Looks like for the 30% gain SQ is close to getting a better DAC.

Do you think the OPA 2107 can be used in the DAC section?
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OPA2107 should be able to used in the DAC section since it's unity gain stable. OPA627 with browndog cost us around RM100 while Lawrence's HDAM replica is around RM180, if we could do a bulk and able to lower it till around RM130 - RM150, that it might quite worth it, but again your DAC gotta be rooftop-less to contain the HDAM biggrin.gif
GodLuvSxS
post Jun 25 2008, 10:26 AM

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QUOTE(abel @ Jun 25 2008, 09:23 AM)
ccschua get the dy2000 from internet i also ask him to get one for me also but no time to meet him yet tongue.gif

for soo many day i tested on Zero with different opamp currently i try on opa2107 .... wut i found the sound slightly dry n digital (fake) will all op when running using toslink .... than yesterday just bought MIT coaxial ... but not fully run it yet still dunno wut the result yet i compare back last 2 week when i listen to CD-63 KI the vocal are thick more sweet sounding .... when the CD-63 connect to DAC is totally different seem the sound more dynamic n more resolution vocal is slightly thin ...

the different is CD-63 KI is running on 16bit and Zero is 24bit

actually depends on ur taste ... if u like those new age or fast music Zero is more suitable ...

Now just wait to running in n test on final result that day i try on Headphone the sound are dull dunno y maybe i use cheap headphone tongue.gif
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Perhaps it may need some kind of burn in, lotsa headfier reporting improvement after 100 hours of burn in smile.gif If the OPA2107 sounds like OPA627 as ppl reporting, ccschua mentioned OPA627 sounds kinda a lil too neutral and dynamic to him a vocal fanatic, as you two gathering alot, u may borrow his opamps play play biggrin.gif
GodLuvSxS
post Jun 25 2008, 03:58 PM

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Actually I wanna hear a comment from user who got both OPA627 and OPA2107, ppl mentioned OPA2107 sounds very close to the OPA627, just tad less clarity at highs and less dynamic.

Just now I chat with my friend, he could help me get OPA2107 at RM30 each, IMHO it's quite bang for the bucks, anyone wanna try biggrin.gif
GodLuvSxS
post Jun 25 2008, 06:53 PM

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QUOTE(yehlai @ Jun 25 2008, 04:30 PM)
GodLuv found it alrdy  icon_idea.gif

Audiophiles sifus, OPA2107 need berapa biji?
OPA627 need two rite?
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OPA2107 only need one as DAC opamp smile.gif
GodLuvSxS
post Jul 1 2008, 10:51 PM

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QUOTE(scy320 @ Jul 1 2008, 10:12 PM)

Added on July 1, 2008, 10:12 pmAll Zero DAC owner,anyone want to sell your Zero DAC?im looking for a used one.
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If you are looking for a used one, perhaps you try to PM Abel smile.gif

This post has been edited by GodLuvSxS: Jul 1 2008, 10:57 PM
GodLuvSxS
post Jul 1 2008, 11:13 PM

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QUOTE(yehlai @ Jul 1 2008, 11:03 PM)
OPA627 cant reach MOQ yet  sad.gif , where can i get DY2000?
Thanks!
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Hi yehlai, you could get DY2000 from Eddie Wu of Diykits. Maybe you can conduct a bulk to get the quantity to nego and share shipping smile.gif

http://www.diykits.com.hk/
GodLuvSxS
post Jul 4 2008, 12:59 AM

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QUOTE(jackal1983 @ Jul 4 2008, 12:48 AM)
lol, but i think it quite hard to get here..
yo.. bro ccschua, apa jalan to get it?  tongue.gif
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Ada jalan, get it from www.diykits.com.hk smile.gif Try to open a bulk for this to share the shipping, roughly RM40 per piece shipped smile.gif
GodLuvSxS
post Jul 4 2008, 10:24 AM

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Does anyone here tried OPA2134 and OPA2227 with ZERO? OPA2134 is around RM8 while OPA2227 is around RM13 from Farnell malaysia, RM20 ish combined is worth a try plus a purchase of RM20 at Farnell Malaysia charges nothing for your shipping.

I got this OPA2134, from what I heard it's fuller and deeper sounding than LT1364 smile.gif Both OPA2134 and OPA2227 are reported to be quite the most full sounding chip among the OPA family smile.gif
GodLuvSxS
post Jul 5 2008, 01:26 AM

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QUOTE(foongchinboon @ Jul 5 2008, 12:35 AM)
hi all,
jz wan to ask if i buy Zero DAC pair wif my Aego then do i need buy 1 more amp to pair wif ? what is preamp? im a newbie smile.gif
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You dont need another amp to pair with smile.gif According to wiki, A preamplifier (preamp), or control amp in some parts of the world, is an electronic amplifier which precedes another amplifier to prepare an electronic signal for further amplification or processing. In layman term, it's like a booster to amplifier, some said preamp contribute to tonal quality while power amp gives the power smile.gif
GodLuvSxS
post Jul 6 2008, 05:42 PM

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QUOTE(jackal1983 @ Jul 6 2008, 11:47 AM)
ya... i also looking for it, just leave me a pm if any1 bulking for DY2000
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Hi bro, i just sent a email to DIYKITS, ask them to quote a price for me. Will start a bulk once I got the pricing smile.gif

QUOTE(foongchinboon @ Jul 6 2008, 05:09 PM)
Dac / Amp :

LT1057 + LT1469 DAC=good, phone=good

LT1057 + LT1364 DAC=good, phone=good

LT1057 + LT1361 DAC=good, phone=good

LT1057 + LM4562 DAC=good, phone=good

LT1361 + LT1469 DAC=good, phone=good

LT1361 + LT1364 DAC=good, phone=great

LT1361 + LT1057 DAC=good, phone=good

LT1361 + LM4562 DAC=good, phone=good

LT1364 + LT1469 DAC=great, phone=great

LT1364 + LT1361 DAC=great, phone=great

can anyone tell me these chips are changeable on board? can anyone put d picture wer are these chips located oso?
really thx a lot if someone can upload d picture..  smile.gif

although i have been read this but still not understand. poor in english n noob in DAC oso.  biggrin.gif
http://www.head-fi.org/forums/f5/review-ze...pre-amp-269458/
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user posted image

The Red circle one is DAC opamp, while the two Green circle are headamp opamp smile.gif Opamp is like a lens to camera, kinda plug and play, and you got the different output smile.gif

PS: Thanks to bro mADmAN for the full topview pic biggrin.gif

This post has been edited by GodLuvSxS: Jul 6 2008, 05:43 PM
GodLuvSxS
post Jul 6 2008, 06:29 PM

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QUOTE(ccschua @ Jul 6 2008, 06:24 PM)
Good that DY2000 bulk is going on. Now I really feel steady with ZERO, dunno for how long. But I still know ZERO has Potential to go further than that. I feel the output stage has some improvment to be done.

Yesterday I was wondering why the DAC gain stage is so low, until I realise I forgot to plug in the DY2000 (it was taken out for audition)

I think you wont go wrong with DY2000 if you are those who like vocals.
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Maybe something related to discrete biggrin.gif
GodLuvSxS
post Jul 6 2008, 10:23 PM

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QUOTE(scy320 @ Jul 6 2008, 09:54 PM)
DY2000 suit vocal?how about instruments?
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I think DY2000 suit vocal well, at least ccschua and abel seems to stick with them since they mainly listening to vocal. I bet instrument gotta be a lil bit weak with the DY2000, since pure instrumental blizz is talking about fine details, good separation, airy, wide soundstage here, maybe the LM4562 suits better?

Talking about power cord, some seasoned audiophile mentioned before silver is best to used in power cord since silver is better and purer conductor than copper, thus the received end will get purer supply of power, again it's garbage in garbage out theory here, I never tried before but I tend to quite agree with their comments, silver for power cord while copper for interconnect for sound tuning smile.gif

This post has been edited by GodLuvSxS: Jul 6 2008, 10:28 PM
GodLuvSxS
post Jul 8 2008, 05:48 PM

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QUOTE(ccschua @ Jul 7 2008, 09:03 PM)
IF you use DY2000, u will sacrifice a bit of dynamics. On fast transients, the music tends to slow slightly. If your ears are really fuzzy, u will notice a bit. overall, this is give and take.

Eddie Wu from diykits is very nice guy, very knowledgeable guy, been in HIFI business for a long long time.

I hope he has a metal DY2000. The DY2000 metal is damn expensive.

I dont seem to see any review on the 1364 and 1469 in the head phone. guys come spill it.
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After 2 days, there's still no reply from Lawrence sad.gif
GodLuvSxS
post Jul 10 2008, 10:17 AM

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Both DAC and headamp opamp is just like part of the module, some said it's there to tune the sound, so you could change them to tune the sound you wanted.

Preamp mode is not for amping headphone, preamp is like a booster to power amp. Detailed and technical explanation please google it. For headphone playing, just switch to headphone mode will do.

Switching around mode will not blow up your headphone but it's advice to it with the volume turned to zero smile.gif


GodLuvSxS
post Jul 15 2008, 04:17 PM

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Hi guys, sorry for no updates these days, internet been down for week. Estimate 3rd bulk COD session will be on 2th August, it's a Saturday smile.gif And I got the reply from DY2000 sellers, one's stock sold out while another is USD19 each with MOQ=10, roughly around RM60 which to me is EXPANSIVE!!!! How you guys think?
GodLuvSxS
post Jul 15 2008, 06:18 PM

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QUOTE(DEz012 @ Jul 15 2008, 05:54 PM)
@ GodLuxSxS

Need to wait until next month. I thought 3 to 4 weeks only.
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Hi there, I submitted order on 26th Jun, suppose to reach by around 24th to 28th July, but due to the recent political havoc, the Kastam side might delay us a lil bit of time, and usually collection session will be on weekend so that everybody including working class could attend without any problem. That's why 2nd August (Saturday) is the best estimate time, plus I will only be at KL from around 29th July to 4th August ... if the DAC arrives and you cant wait till the 2nd August, you may meet me at Ampang Park LRT or Bank of China for earlier collection, will sms you guys once dac arrived. So you guys may choose to collect face to face or attend the collection gathering, IMHO the gathering is going to be great since some "seasoned" ZERO dac owner may attend with some opinion and opamp rolling suggestion. Heck I might even bring along some APE to do some sharing biggrin.gif

This post has been edited by GodLuvSxS: Jul 15 2008, 06:18 PM

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