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| Headphone Amps (full-size) Discussion of desktop headphone amps. |
08-29-2008, 04:44 AM
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100+ Head-Fi'er
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Join Date: Feb 2008
Location: El Monte (near LA), Ca, USA
Posts: 138
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Yea fugimax it is very painful.
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08-29-2008, 05:03 AM
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100+ Head-Fi'er
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Join Date: Aug 2008
Location: Currently in Gisborne NZ
Posts: 259
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Quote:
Originally Posted by LeBuLLeT
I just received my Zero and I got the wrong plug for it. It seems like its a 250v instead of the 110v plug. Now I need to see if there is anyway he can send me one. SO SO sad...
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Yeah, I'm with you there, same happened to me but the other way, I got an American power cord. I put it aside and just grabbed a NZ standard one that was not being used on a PC. Wouldn't it be easier - and a lot less painful - if you just went to a store and bought the correct power cord?
Just a thought, mate.
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08-29-2008, 05:09 AM
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100+ Head-Fi'er
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Join Date: Feb 2008
Location: El Monte (near LA), Ca, USA
Posts: 138
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Oh Yea I did the same thing as you. I found a old monitor plug that I am not using right now. So I got the Zero working and I am just testing it as the default Head-fi deal. Tomorrow I will put in a Sun or Earth in there. Still will try to get that power cord from Lawrence because I am going to need that power cable soon.
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08-29-2008, 05:12 AM
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Head-Fi'er
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Join Date: Aug 2008
Location: Mountain View, CA
Posts: 44
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Quote:
Originally Posted by LeBuLLeT
Oh Yea I did the same thing as you. I found a old monitor plug that I am not using right now. So I got the Zero working and I am just testing it as the default Head-fi deal. Tomorrow I will put in a Sun or Earth in there. Still will try to get that power cord from Lawrence because I am going to need that power cable soon.
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FYI, those cables run about $1..
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08-29-2008, 05:17 AM
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100+ Head-Fi'er
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Join Date: Feb 2008
Location: El Monte (near LA), Ca, USA
Posts: 138
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Where at?
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08-29-2008, 05:19 AM
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Head-Fi'er
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Join Date: Aug 2008
Location: Mountain View, CA
Posts: 44
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08-29-2008, 05:33 AM
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100+ Head-Fi'er
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Join Date: Feb 2008
Location: El Monte (near LA), Ca, USA
Posts: 138
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Yea but shipping will be 5 dollars. I rather keep for 6+ dollars for something like a mod for this thing. By the way Led Zeppelin - Stairway to heaven from the How the West was Won Album. I can hear people in the crow yelling random stuff.
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08-29-2008, 06:03 AM
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100+ Head-Fi'er
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Join Date: May 2008
Posts: 322
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Oh my,
audio-gd teach me a lesson on grounding.
A lot of time, diyer couldn't get gound sounds due to improper grounding.
I have attached the OPA earth wire to one of the screw at the headphone board, that is a big no no. The ground circuit will go a long way to return to the ground. Even without earth connection will better than connecting earth to the casing earth. (hope not confused)
And dont use the casing earth as ground. it is either the ground point near the OPA (the best, so that the ground loop is shortest). Now where can I find this ground (not earth) around the OPA. Do u think the RCA ground is a good choice?
__________________
HTPC -> [BlueJeans Fiber Optic] -> DAC-19MK3 -> [ CAST] -> CIA-400 -> [ VDH Goldwater ]-> KEF-CRESTA10 modded
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08-29-2008, 06:08 AM
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100+ Head-Fi'er
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Join Date: May 2008
Posts: 322
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Power cord is a big subject in terms of sound quality. 2 power cord is very very important in HIFI. the amplifier power cord and the dac/cdp power cord.
This is because EMI/RFI can get into the source (amp and DAC) and gets amplified, limits the bandwidth, resulting in noise and congestion.
if u use tube amplifier, the effect is even greater. I have just changed my power cord to Single crystal copper (OCC) on my tube amplifier and the effect is tremendous.
__________________
HTPC -> [BlueJeans Fiber Optic] -> DAC-19MK3 -> [ CAST] -> CIA-400 -> [ VDH Goldwater ]-> KEF-CRESTA10 modded
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08-29-2008, 06:18 AM
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100+ Head-Fi'er
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Join Date: Feb 2008
Location: El Monte (near LA), Ca, USA
Posts: 138
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Whats a good power supply that you recommend. Im on a budget, so can you still recommend one to me?
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08-29-2008, 06:26 AM
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Headphoneus Supremus
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Join Date: Feb 2008
Location: GreaterTorontoArea in Sub-Urbaine hell
Posts: 3,077
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Quote:
Originally Posted by ccschua
Power cord is a big subject in terms of sound quality. 2 power cord is very very important in HIFI. the amplifier power cord and the dac/cdp power cord.
This is because EMI/RFI can get into the source (amp and DAC) and gets amplified, limits the bandwidth, resulting in noise and congestion.
if u use tube amplifier, the effect is even greater. I have just changed my power cord to Single crystal copper (OCC) on my tube amplifier and the effect is tremendous.
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I have to agree CC. I did just that, today. The effect is stunning. I didn't think it was possible to get this much from a mains cable...I like it when I'm proven wrong with regards to assumption 
Peete.
__________________
Cans :HD650, AKG 240M (HD650 DIY cables SE and Balanced)
Desktop amps : LD MK III (6H30P-i DR's + DIY mods, Jaycar DIY kit amp (major DIY mods), 2 X Audio-gd Compass (test prototype,final version), Audio-gd C-2C W/ Stepped pot Upgrade, Audio-gd Phoenix SS balanced preamp/headamp.
Transports: Auzen Prelude PCI 7.1 SC/ASIO native driver using Media Monkey (all EAC ripped FLAC/Wav), Vanguard CDM12 Pro (BNC mod), HK HD720 (completely upgraded), Audio-gd CD7 Transport.
Sources: FrankenDAC DIY 24/192 dac (HDAMs/Teflon/PIO cap mod), Compass DAC, See Corp Vintage UK TT(Mission arm/Ortofon OM20S MM cart), Yaqin MS12B tube phono preamp, TEAC V530X Tape deck, Audio-gd Reference 1 DAC. C2C DIY pot mod http://www.head-fi.org/forums/f6/ste...1/#post5846722
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08-29-2008, 06:27 AM
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Headphoneus Supremus
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Join Date: Feb 2008
Location: GreaterTorontoArea in Sub-Urbaine hell
Posts: 3,077
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Quote:
Originally Posted by LeBuLLeT
Whats a good power supply that you recommend. Im on a budget, so can you still recommend one to me?
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Name the budget.
Peete.
__________________
Cans :HD650, AKG 240M (HD650 DIY cables SE and Balanced)
Desktop amps : LD MK III (6H30P-i DR's + DIY mods, Jaycar DIY kit amp (major DIY mods), 2 X Audio-gd Compass (test prototype,final version), Audio-gd C-2C W/ Stepped pot Upgrade, Audio-gd Phoenix SS balanced preamp/headamp.
Transports: Auzen Prelude PCI 7.1 SC/ASIO native driver using Media Monkey (all EAC ripped FLAC/Wav), Vanguard CDM12 Pro (BNC mod), HK HD720 (completely upgraded), Audio-gd CD7 Transport.
Sources: FrankenDAC DIY 24/192 dac (HDAMs/Teflon/PIO cap mod), Compass DAC, See Corp Vintage UK TT(Mission arm/Ortofon OM20S MM cart), Yaqin MS12B tube phono preamp, TEAC V530X Tape deck, Audio-gd Reference 1 DAC. C2C DIY pot mod http://www.head-fi.org/forums/f6/ste...1/#post5846722
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08-29-2008, 06:49 AM
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100+ Head-Fi'er
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Join Date: Aug 2008
Location: Currently in Gisborne NZ
Posts: 259
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Quote:
Originally Posted by LeBuLLeT
Yea but shipping will be 5 dollars. I rather keep for 6+ dollars for something like a mod for this thing. By the way Led Zeppelin - Stairway to heaven from the How the West was Won Album. I can hear people in the crow yelling random stuff.
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Well now, how handy with a soldering iron are you? You could make your own ..... I did for my kit head amp to good effect, very clean supply.
If you fancy, go have a looksee at The TNT - TTS DIY mains cable
a browse around the site is quite interesting and they have a number of mains cable projects on hand. It's not that difficult, just a little patience is required and watch how you do the final wiring into the wall plug. Other friends of mine have also made their own from TNT and are very happy with the results. Plenty of cable is available at Parts Connexion. What do you think? 
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08-29-2008, 06:51 AM
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Head-Fi'er
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Join Date: Aug 2008
Location: Mountain View, CA
Posts: 44
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Seems like a power conditioner could go a long way as well, then. (In addition to a new cable.)
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08-29-2008, 06:52 AM
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Head-Fi'er
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Join Date: Jul 2008
Location: Brisbane,Queensland.Australia.
Posts: 50
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Mains Power Cord
Quote:
Originally Posted by ccschua
Power cord is a big subject in terms of sound quality. 2 power cord is very very important in HIFI. the amplifier power cord and the dac/cdp power cord.
This is because EMI/RFI can get into the source (amp and DAC) and gets amplified, limits the bandwidth, resulting in noise and congestion.
if u use tube amplifier, the effect is even greater. I have just changed my power cord to Single crystal copper (OCC) on my tube amplifier and the effect is tremendous.
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What about the solid copper mains wire several meters long in the roof and walls to the wall power point from the fuse panel , how does the last meter of mains cable make so much difference. Do these cables act as a filter ? I have a few florescent light's and a fridge that introduces pops occationally .
Gavin ...
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