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| Headphone Amps (full-size) Discussion of desktop headphone amps. |
04-25-2009, 08:34 AM
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Head-Fi'er
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Join Date: Nov 2008
Location: Balbigny - France
Posts: 57
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Hello,
I have bought mine with HDAM on ebay on November.
Yesterday I was listening musing, then suddenly no sound. 
Nor on headphone and line out.
I can ear the relay click when input signal is detected but no sound.
Any idea of what is the problem ?
Coul it be the Hdam that is out of order ? or something more serious ? 
Thanks for your help
ads
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04-25-2009, 12:46 PM
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500+ Head-Fi'er
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Join Date: Jan 2007
Location: NY, NY
Posts: 564
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Do you still have the original opamp? That'd be a good way to test...
__________________
Xfi Fatal1ty (Coax, ASIO)-->Compass (OPA Sun V2)-->Little Dot MKIII (GE 5-star)-->HD600/SR325is/HFI-780 (S-Audio recable)/DT250-80
Gone: SR80, SR225, Sony 7506
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04-25-2009, 01:28 PM
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Head-Fi'er
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Join Date: Nov 2008
Location: Balbigny - France
Posts: 57
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Yep, I have it and same problem...
I don't know if Lawrence will accept to send me another mainboard....
I have a little electronical skills, but without knowing exactly what part to change I can't repair myself...
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04-25-2009, 01:50 PM
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Head-Fi'er
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Join Date: Nov 2008
Location: Balbigny - France
Posts: 57
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Yep, I have it and same problem...
I don't know if Lawrence will accept to send me another mainboard....
I have a little electronical skills, but without knowing exactly what part to change I can't repair myself...
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04-25-2009, 02:08 PM
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Head-Fi'er
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Join Date: Nov 2008
Location: Balbigny - France
Posts: 57
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Yep, I have it and same problem...
I don't know if Lawrence will accept to send me another mainboard....
I have a little electronical skills, but without knowing exactly what part to change I can't repair myself...
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04-25-2009, 02:37 PM
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Headphoneus Supremus
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Join Date: Nov 2008
Location: S. FLorida
Posts: 3,260
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Quote:
Originally Posted by ads2
Yep, I have it and same problem...
I don't know if Lawrence will accept to send me another mainboard....
I have a little electronical skills, but without knowing exactly what part to change I can't repair myself...
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We heard you the first 2 times! 
Do you have a set of PC speakers or another headphone amp?
Try to Run off the DAC output to see if it is the Head amp or the DAC that has the problem.
Are you using a Sound Card, make sure it works, your headphone works, etc. Have you done anything to the Zero recently?
It seems strange you would ask if you had done anything wrong, got an answer, then something goes wrong??
Are you telling us EVERYTHING?
.
__________________
<<<Les Garten>>> Leave the gun, take the cannoli -- Fat Clemenza circa 1950
Conversation with future Nobel Prize winner Doris Lessing in 1969: Lessing: "You do still have gangsters [in Chicago], don't you?" Studs Terkel: "Yes, but these days they're mostly in business, or politics."
"We hang the petty thieves and appoint the great ones to public office" Aesop
Ich Bin Ein Europeaner!
JOIN TEAM Snake Oil
Head-Fi Feedback<<>> ebay Feedback<<>> Pink Noise Burn-In Tool!!
I Changed My Windows Desktop to a PIC of the Audio-GD REF 1
Witness the Birth of the Phoenix Phoenix
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04-25-2009, 03:46 PM
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Head-Fi'er
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Join Date: Nov 2008
Location: Balbigny - France
Posts: 57
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Quote:
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We heard you the first 2 times!
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Humm not really, I remember that I have discussed with you in the past about Lawrence, HDAM etc... but it was more than 6 month ago 
Quote:
Do you have a set of PC speakers or another headphone amp?
Try to Run off the DAC output to see if it is the Head amp or the DAC that has the problem.
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Yes of course, to be honnest I mostly use the DAC with a Gainclone and a pair of Eltax monitor III.
Output and headphone does not produce sound
Quote:
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Are you using a Sound Card, make sure it works, your headphone works, etc. Have you done anything to the Zero recently?
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I use 2 differents sources, my headphone works, my amp works.
In fact yesterday, I was programming an Iphone application and it was very late, my wife was sleeping so I was listening music with a pair of headphones. 
And suddenly, no sound, I first thought that the problem came from the Mac, this morning same problem, no sound, only the relay "click". Tested also with my DVD player same problem, and I have done then a lot of tests without any success..
Quote:
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Are you telling us EVERYTHING?
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No  ..I was so exited (good programming job done) so I was listening some dance music,..do you think that the Zero dac does not support dance music ?
.... Kidding.... 
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04-25-2009, 04:27 PM
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Headphoneus Supremus
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Join Date: Nov 2008
Location: S. FLorida
Posts: 3,260
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Quote:
Originally Posted by ads2
Humm not really, I remember that I have discussed with you in the past about Lawrence, HDAM etc... but it was more than 6 month ago |
You obviously didn't GET the Joke here, look at your posts above
Quote:
Yes of course, to be honnest I mostly use the DAC with a Gainclone and a pair of Eltax monitor III.
Output and headphone does not produce sound
I use 2 differents sources, my headphone works, my amp works.
In fact yesterday, I was programming an Iphone application and it was very late, my wife was sleeping so I was listening music with a pair of headphones.
And suddenly, no sound, I first thought that the problem came from the Mac, this morning same problem, no sound, only the relay "click". Tested also with my DVD player same problem, and I have done then a lot of tests without any success..
No ..I was so exited (good programming job done) so I was listening some dance music,..do you think that the Zero dac does not support dance music ?
.... Kidding....
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Sounds like you've been hit with the Zero Curse...
.
__________________
<<<Les Garten>>> Leave the gun, take the cannoli -- Fat Clemenza circa 1950
Conversation with future Nobel Prize winner Doris Lessing in 1969: Lessing: "You do still have gangsters [in Chicago], don't you?" Studs Terkel: "Yes, but these days they're mostly in business, or politics."
"We hang the petty thieves and appoint the great ones to public office" Aesop
Ich Bin Ein Europeaner!
JOIN TEAM Snake Oil
Head-Fi Feedback<<>> ebay Feedback<<>> Pink Noise Burn-In Tool!!
I Changed My Windows Desktop to a PIC of the Audio-GD REF 1
Witness the Birth of the Phoenix Phoenix
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04-25-2009, 07:58 PM
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Head-Fi'er
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Join Date: Nov 2008
Location: Balbigny - France
Posts: 57
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Quote:
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You obviously didn't GET the Joke here, look at your posts above
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Houps... haven't seen it....
Quote:
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Sounds like you've been hit with the Zero Curse...
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Yep..At the begining, received it without HDAM and Alps pot and now I'm damned.
I have contacted Lawrence, he has asked me to send him back the board to china.
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04-25-2009, 08:52 PM
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Headphoneus Supremus
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Join Date: Nov 2008
Location: S. FLorida
Posts: 3,260
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Quote:
Originally Posted by ads2
Houps... haven't seen it....
Yep..At the begining, received it without HDAM and Alps pot and now I'm damned.
I have contacted Lawrence, he has asked me to send him back the board to china.
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He's a Prince of a guy!
.
__________________
<<<Les Garten>>> Leave the gun, take the cannoli -- Fat Clemenza circa 1950
Conversation with future Nobel Prize winner Doris Lessing in 1969: Lessing: "You do still have gangsters [in Chicago], don't you?" Studs Terkel: "Yes, but these days they're mostly in business, or politics."
"We hang the petty thieves and appoint the great ones to public office" Aesop
Ich Bin Ein Europeaner!
JOIN TEAM Snake Oil
Head-Fi Feedback<<>> ebay Feedback<<>> Pink Noise Burn-In Tool!!
I Changed My Windows Desktop to a PIC of the Audio-GD REF 1
Witness the Birth of the Phoenix Phoenix
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04-25-2009, 09:04 PM
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100+ Head-Fi'er
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Join Date: Feb 2004
Location: Norway
Posts: 150
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zero curse
Suddenly the sound was gone as I heard the relay click off, now It won't click on again - the zero doesn't work.
Any things to test to fix this? tried optical in to no avail, tried turning it on/off and letting it cool etc :|
It's a stock zero with a HDAM earth. It has acted up like this before as well, but now it seems to be final.
Last edited by grkn; 04-25-2009 at 09:06 PM.
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04-25-2009, 10:33 PM
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Headphoneus Supremus
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Join Date: Nov 2008
Location: S. FLorida
Posts: 3,260
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Quote:
Originally Posted by grkn
Suddenly the sound was gone as I heard the relay click off, now It won't click on again - the zero doesn't work.
Any things to test to fix this? tried optical in to no avail, tried turning it on/off and letting it cool etc :|
It's a stock zero with a HDAM earth. It has acted up like this before as well, but now it seems to be final.
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Look over all the components with a magnifying glass for any burn marks.
.
__________________
<<<Les Garten>>> Leave the gun, take the cannoli -- Fat Clemenza circa 1950
Conversation with future Nobel Prize winner Doris Lessing in 1969: Lessing: "You do still have gangsters [in Chicago], don't you?" Studs Terkel: "Yes, but these days they're mostly in business, or politics."
"We hang the petty thieves and appoint the great ones to public office" Aesop
Ich Bin Ein Europeaner!
JOIN TEAM Snake Oil
Head-Fi Feedback<<>> ebay Feedback<<>> Pink Noise Burn-In Tool!!
I Changed My Windows Desktop to a PIC of the Audio-GD REF 1
Witness the Birth of the Phoenix Phoenix
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04-26-2009, 01:37 AM
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500+ Head-Fi'er
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Join Date: Jun 2008
Location: United State of Britainland
Posts: 639
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Quote:
Originally Posted by grkn
Suddenly the sound was gone as I heard the relay click off, now It won't click on again - the zero doesn't work.
Any things to test to fix this? tried optical in to no avail, tried turning it on/off and letting it cool etc :|
It's a stock zero with a HDAM earth. It has acted up like this before as well, but now it seems to be final.
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Mine was the same, though it didn't fail whilst I was listening. Used it one day, without issue, and the next it produced nothing. I checked what I could - regulator output voltages, continuity between the DAC IC and the opamp socket, and the opamp socket to the RCA outputs. Never got to the bottom of it...
Sadly, more and more of these Zero DACs are failing after a few months. Good luck getting support from Lawrence, he shafted me when a brand-new purchase was faulty out of the box...
Could be a very good time to upgrade to the Compass? 
~Phewl.
__________________
Senn 480II-13R cans, overshadowed by...
Black Stax SRS-4040II rig - awesome! Loving it! Certainly worth most of the extortionate amount of pennies it cost. ;-)
Compass DAC by Audio-GD - very, very nicely made with a lovely sound. First UK owner?
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04-26-2009, 02:30 AM
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Headphoneus Supremus
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Join Date: Jan 2008
Location: Fukuoka, Japan (was Australia)
Posts: 3,628
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Quote:
Originally Posted by les_garten
Sounds like you've been hit with the Zero Curse...
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The "Zero sound" curse? Ha!
__________________
MacBook Pro → Audio-gd Reference 3+1 → Phoenix → Sennheiser HD-800, Grado HF-2, Symphones Magnums or Parasound Zamp → Paradigm Titans + Van Den Hul or DIY cabling.
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04-26-2009, 03:19 AM
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100+ Head-Fi'er
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Join Date: Feb 2004
Location: Norway
Posts: 150
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Guess I'll look for burn marks, but I bought it from wsz0304 on ebay with a 1year warranty. Guess I should snip back the snips before shipping it back?
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