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| Headphone Amps (full-size) Discussion of desktop headphone amps. |
01-24-2008, 09:42 AM
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1000+ Head-Fi'er
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Join Date: Dec 2007
Location: Manchester
Posts: 1,053
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Quote:
Originally Posted by Penchum
Ask anyone here, and they will tell you that critical listening right out of the box is completely unrevealing.  Also, the DAC Opamp changed to LT1364 and not changing the headphone board Opamps will sound like Poo. Better to leave in the OPA2604 until you get some more time on the clock and more Opamps. |
I found the same thing. It sounded awful at first then it got better, much better! The stock op amps in the headphone amp sounded crap! Definitely change them when you can. It does take a while to sound better but its worth it.
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01-24-2008, 02:08 PM
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Headphoneus Supremus
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Join Date: Oct 2006
Location: Arizona
Posts: 3,262
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Quote:
Originally Posted by SLUSHIE
So mine simply isn't working.
I've tried my pc, my ps2, and a DVD player and it didn't work with any.
When I press the headphone button and the green light comes on, the other 2 blue lights pretty much turn all the way off. I'm thinking thats kind of a problem...
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Email Lawrence and tell him what is going on. He has trouble shooting steps that may fix the problem. The blue lights going off will most likely mean something to him. Good luck!! 
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01-24-2008, 02:39 PM
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100+ Head-Fi'er
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Join Date: Nov 2006
Location: Mansester, Finland
Posts: 423
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My Zero has arrived to Finland. It will probably go to next week when I can collect my dac (again) from customs.
__________________
X-Fi --> Zhaolu 2.5A (Zapfiltered) --> Audioquest King Cobra XLR --> Audio-gd C2C (Discrete Dual Mono SS) --> Denon AH-MD5000 (JMoney pads) + Grado HF-2 #419
Owned: Corda Headfive #483, Heed Canamp, Darkvoice Figaro, Zero DAC, K701, SA5000, SR-225, Yamaha YH-1 "Chocolate Donut", K500, K340, Little Dot I+, MKIV SE, Grado RS-2, RS-1, Alessandro MS-Pro
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01-24-2008, 04:14 PM
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100+ Head-Fi'er
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Join Date: Nov 2007
Location: MEL, AU
Posts: 361
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Quote:
Originally Posted by Penchum
Ask anyone here, and they will tell you that critical listening right out of the box is completely unrevealing. Also, the DAC Opamp changed to LT1364 and not changing the headphone board Opamps will sound like Poo. Better to leave in the OPA2604 until you get some more time on the clock and more Opamps. |
Quote:
Originally Posted by fault151
I found the same thing. It sounded awful at first then it got better, much better! The stock op amps in the headphone amp sounded crap! Definitely change them when you can. It does take a while to sound better but its worth it.
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Yeah i know the ZERO DAC needs time to burn in, i was just giving my first impression out of the box thats all. I also agree with you guys that the stock opamp in the headphone board are crap and should be change if anyone plan to use the headphone out.
I going to get a LD MK V or IVse in china when i go there next week. So i have no plan to upgrade the opamp in the headphone board.
BTW, Penchum, have you had a chance to try 2 x AD797 on browndog in L-channel and 2 x AD797 on browndog in R-channel in the headphone board?
i read a while back that you have got them. So total of four AD797s in headphone board, they definitely fit thats for sure.
I dont have enough to try myself only have 2 x AD797 on browndog.
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01-24-2008, 06:33 PM
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100+ Head-Fi'er
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Join Date: Dec 2005
Location: Sweden
Posts: 209
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My zero is on its way and i have some LT Opamps. LT1361CN8, 1361CN8#PBF, 1364CN8#PBF, 1469IN8#PBF. Wich can i use in the headphone section and wich one in DAC? 
__________________
Phones: HD650, HD485
Source: M-Audio 192, Zero Dac, Constantine+
Amp: DV332 (CV4010, Ulys 6S19P-V
Gone: HD595, DV336i
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01-24-2008, 07:29 PM
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Junior Head-Fi'er
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Join Date: Jan 2008
Location: Europe
Posts: 28
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Quote:
Originally Posted by Penchum
Dac / Amp :
LT1361 + LT1469 DAC=good, phone=good
LT1361 + LT1364 DAC=good, phone=great
LT1364 + LT1469 DAC=great, phone=great
LT1364 + LT1361 DAC=great, phone=great
LT1469 + LT1364 DAC=good, phone =good
LT1469 + LT1361 DAC=great, phone=great
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This is what Penchum said on the first page...
I'm also interested in this problem, if you could give some details about sound signiture of these opamps.
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01-24-2008, 07:29 PM
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Headphoneus Supremus
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Join Date: Oct 2006
Location: Arizona
Posts: 3,262
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Quote:
Originally Posted by cafe zeenuts
Yeah i know the ZERO DAC needs time to burn in, i was just giving my first impression out of the box thats all. I also agree with you guys that the stock opamp in the headphone board are crap and should be change if anyone plan to use the headphone out.
I going to get a LD MK V or IVse in china when i go there next week. So i have no plan to upgrade the opamp in the headphone board.
BTW, Penchum, have you had a chance to try 2 x AD797 on browndog in L-channel and 2 x AD797 on browndog in R-channel in the headphone board?
i read a while back that you have got them. So total of four AD797s in headphone board, they definitely fit thats for sure.
I dont have enough to try myself only have 2 x AD797 on browndog.
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Well, that was the plan, but there isn't enough physical space for the adapters, so we're stuck with single (dual) Opamps. So far, the "winner" in the headphone board has been the LT1469s. Worth looking into for sure.
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01-24-2008, 07:32 PM
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Headphoneus Supremus
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Join Date: Oct 2006
Location: Arizona
Posts: 3,262
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Quote:
Originally Posted by davve
My zero is on its way and i have some LT Opamps. LT1361CN8, 1361CN8#PBF, 1364CN8#PBF, 1469IN8#PBF. Wich can i use in the headphone section and wich one in DAC? |
Give the LT1364 in the DAC and LT1469s in the headphone board a try. This seems to be a well liked combination. 
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01-24-2008, 08:50 PM
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100+ Head-Fi'er
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Join Date: Nov 2007
Posts: 211
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My Zero arrived today and is burning in for the next little while.....Couldn't resist though and right now the mids are great, bass little weak and the highs very harsh...Looking forward to hearing it once it settles in.....and with the opamps replaced 
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01-24-2008, 11:33 PM
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500+ Head-Fi'er
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Join Date: Jan 2008
Location: Eugene
Posts: 607
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I'm sorry if this question has been repeated multiple times (have you tried searching this thread for "opamps" or "LT"?....  ), but for someone who is about to receive their Zero & has no opamps whatsoever....what would you suggest? I'm planning to get a handful from linear.com (that is where people have been getting their LT's from, right?), such as LT1469, LT1361, LT1364. Any others recommended from them as long as I'm ordering? Also, did someone mention earlier on about free samples from them...or am I just out in my own little world!?
Where else should I be ordering from for "must-have" opamps?
Thanks everybody for all of the help & info you provide....even if the thread gets to be a little overwhelming  !
__________________
Portable: Rio Karma/ Creative ZVM 30gb & 60gb slim/ Sansa Fuze & Clip --> HeadStage Lyrix Pro --> Shure e4c/ hearyourself Alien C3
Desktop: Zero DAC --> X-Can v8/ SRM-313/ LD I+ --> D5000/ SR-404
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01-24-2008, 11:40 PM
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Headphoneus Supremus
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Join Date: Oct 2006
Location: Arizona
Posts: 3,262
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Quote:
Originally Posted by dantztiludrop
I'm sorry if this question has been repeated multiple times (have you tried searching this thread for "opamps" or "LT"?.... ), but for someone who is about to receive their Zero & has no opamps whatsoever....what would you suggest? I'm planning to get a handful from linear.com (that is where people have been getting their LT's from, right?), such as LT1469, LT1361, LT1364. Any others recommended from them as long as I'm ordering? Also, did someone mention earlier on about free samples from them...or am I just out in my own little world!?
Where else should I be ordering from for "must-have" opamps?
Thanks everybody for all of the help & info you provide....even if the thread gets to be a little overwhelming ! |
I think two of each of those three will get you going great! Order the samples.
They take about five to seven days to arrive.
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01-24-2008, 11:43 PM
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500+ Head-Fi'er
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Join Date: Jan 2008
Location: Eugene
Posts: 607
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Quote:
Originally Posted by Penchum
I think two of each of those three will get you going great! Order the samples.
They take about five to seven days to arrive. |
When you say "samples", does that mean something different than the ones being sold @ linear.com?
__________________
Portable: Rio Karma/ Creative ZVM 30gb & 60gb slim/ Sansa Fuze & Clip --> HeadStage Lyrix Pro --> Shure e4c/ hearyourself Alien C3
Desktop: Zero DAC --> X-Can v8/ SRM-313/ LD I+ --> D5000/ SR-404
Head-Fi Feedback
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01-25-2008, 12:01 AM
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Headphoneus Supremus
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Join Date: Oct 2006
Location: Arizona
Posts: 3,262
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Quote:
Originally Posted by dantztiludrop
When you say "samples", does that mean something different than the ones being sold @ linear.com?
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They have the order samples link on each Opamps page, which adds them to your cart, then you check out and give them your information. TaDa! They come in the mail.
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01-25-2008, 12:31 AM
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100+ Head-Fi'er
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Join Date: Nov 2007
Location: MEL, AU
Posts: 361
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Quote:
Originally Posted by Penchum
Well, that was the plan, but there isn't enough physical space for the adapters, so we're stuck with single (dual) Opamps. So far, the "winner" in the headphone board has been the LT1469s. Worth looking into for sure. |
There is heaps of space in there unless your version is different to my. I took a few photos with my only 2 x AD797 on browndog.
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01-25-2008, 01:13 AM
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Headphoneus Supremus
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Join Date: Oct 2006
Location: Arizona
Posts: 3,262
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Quote:
Originally Posted by cafe zeenuts
There is heaps of space in there unless your version is different to my. I took a few photos with my only 2 x AD797 on browndog.
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Ow Poop! My adapters are as wide as deep. They don't fit!  Guess I'll have to find a couple like yours then! Got a link or something for all of us? Thanks man!
Here is a pic of mine. You can see the problem. Maybe I can modify it. More later...
Last edited by Penchum; 01-25-2008 at 04:38 AM.
Reason: Added Pic of my Adapter
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