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- Users: chenszhanx
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DC iPurifier2 - In Pursuit of Silence
Mine is running quit hot.It must over 65 degree(room 20 degree) Celsius.I can't keep my hand on it over 1 second. I am using it on thx-789.And it get hot at idle all night. At this temperature. Capacitor will die very fast. Is my unit deflect?What temperature is considered normal?- chenszhanx
- Post #27
- Forum: Sponsor Announcements and Deals
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Massdrop x THX AAA™ 789 Linear Amplifier - Impressions Thread
The unit I got is with stock opa H20 has is warmer and more slam then 789. Basic sound quality is close. But it don't fit with Sony headphones.Make it muddy. And the step volume gain setting at BAL out. Too much power for Z1R and iems. It plays too loud at the first tick of the step...- chenszhanx
- Post #1,054
- Forum: Headphone Amps (full-size)
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Massdrop x THX AAA™ 789 Linear Amplifier - Impressions Thread
I am using Z1R,A2000Z,Z7,TH-X00,SRH-1840. They sound weird on my 789. The mid-range (vocal) image is excessively wide and big.I can feel a huge mouth in a close range. In some tracks it covered over 80 degrees field of view. This sound signature is special. And none review I seen mention it...- chenszhanx
- Post #1,047
- Forum: Headphone Amps (full-size)
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Reply to review by 'chenszhanx' on item 'Audio-gd NFB-1AMP'
Is this a good pairing amp for Z1R?- chenszhanx
- Head Gear rating reply
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Schiit Jotunheim Review / Preview - Head-Fi TV
I see. I totally agree with what u wrote. Going from balanced to SE is a big downgrade to me.So i was confused why u do that. Now I know it's sound signature cause. Jot Amp has no strong sound signature.The sound can be changed by changing DAC. But Jot w/ DAC has fixed sound...- chenszhanx
- Post #4,282
- Forum: Headphone Amps (full-size)
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Schiit Jotunheim Review / Preview - Head-Fi TV
I was wondering you use 1/4" trs or XLR when you comparing jot's internal dac and mojo? I tried both when I comparing Grace M9xx(as dac) 、Pioneer XDP-300R(as single-end and balanced dac) and jot internal dac. SE phone output M9xx>300R(both SE and BA) >>>> jot DAC ...- chenszhanx
- Post #4,275
- Forum: Headphone Amps (full-size)
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Schiit Jotunheim Review / Preview - Head-Fi TV
Did you mean bifrost?- chenszhanx
- Post #3,295
- Forum: Headphone Amps (full-size)
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Pioneer XDP-300R | Twin DAC ES9018K2M | Balanced Out | Android | MQA | 2x MicroSD | WiFi | AptX
Can this DAP take USB input as a DAC/AMP?- chenszhanx
- Post #208
- Forum: Portable Source Gear
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LZ-A4 Impressions and Discussion Thread
I bought from LZ at Taobao.- chenszhanx
- Post #578
- Forum: Portable Headphones, Earphones and In-Ear Monitors
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LZ-A4 Impressions and Discussion Thread
Red have much more power.Maybe red is for full headphones.But the no punch issue only happens on A4.I use red for all my IEMS N1AP has a big amount of bass but still have the punch. but my A4 in any back plate the punch is really weak,even my 1 BA IEM(Acs evoke)has better punch. I...- chenszhanx
- Post #575
- Forum: Portable Headphones, Earphones and In-Ear Monitors
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LZ-A4 Impressions and Discussion Thread
AudioQuest DragonFly Red http://www.head-fi.org/products/audioquest-dragonfly-red Other iems were also tested on this device. haven't try on my schiit jotunheim will try it tonight- chenszhanx
- Post #570
- Forum: Portable Headphones, Earphones and In-Ear Monitors
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LZ-A4 Impressions and Discussion Thread
I have got my A4 yesterday. The stage ,clarity is superior to my all iem (i only have under $300 iem) And nice isolation,comfort(not the best,Beat by ACS evoke) But the bass is loose and no punch comapare to all my iems(shure 215,sony n1ap ,sony ex650 ,ACS evoke) Changing black only...- chenszhanx
- Post #566
- Forum: Portable Headphones, Earphones and In-Ear Monitors
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Schiit Fulla 2 Impressions Thread
Is that 1/8" in the front a input?- chenszhanx
- Post #41
- Forum: Headphone Amps (full-size)
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Schiit Jotunheim Review / Preview - Head-Fi TV
I think this is the case. I tried wyrd at local store with my own Jotunheim /w DAC for 2 hours.I can't tell the difference. But also tried DragonFly Red. DFR gets a lot improvement from wyrd. I tried these with Surface pro 3 which has poor usb power (can't power a DVD writer) and...- chenszhanx
- Post #2,646
- Forum: Headphone Amps (full-size)
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Noble Audio Wizard Sage Giveaway!
1) 70,002 2) 70,004 3) 70,006- chenszhanx
- Post #476
- Forum: Sponsor Announcements and Deals
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Schiit Jotunheim Review / Preview - Head-Fi TV
My coworker bought M9xx and I bought Jot(DAC module) M9XX with stock cable and normal power source at office Jot printer cable and stock power cable plug at office M9XX has blacker background but insufficient power to push Q701 and MDR-Z7(compared with Jot) Jot has no...- chenszhanx
- Post #2,264
- Forum: Headphone Amps (full-size)
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Schiit Jotunheim Review / Preview - Head-Fi TV
What confused me is the heat is really different whether pc connected or not.(muted in windows and left overnight compared with pc shutdown) But when I asked Schiit about this they said that is power consumption is always the same once Jotunheim powered.- chenszhanx
- Post #2,172
- Forum: Headphone Amps (full-size)
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Schiit Jotunheim Review / Preview - Head-Fi TV
No really issue. But if DAC connected to working PC,it never goes to idle. And jotunteim gets really hot.- chenszhanx
- Post #2,170
- Forum: Headphone Amps (full-size)
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New Dragonfly Black and Red Discussion
Is there any more reply form AQ. This problem happens to my Sony xperia z,z3,z5 And Asus Zenfone2,Laser6. In fact these are all living device I have. This is surely not Samsung only- chenszhanx
- Post #1,078
- Forum: Portable Headphone Amps
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New Dragonfly Black and Red Discussion
Is there any office response after http://goo.gl/8UMLW5 This happens to my Sony z z3 z5 Asus Zenefone 2 ,laser 6 That is all device I have. This is only happens to Samsung…- chenszhanx
- Post #1,077
- Forum: Portable Headphone Amps
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New Dragonfly Black and Red Discussion
I am using DFR+Q701 DFR does a lot better than DF V1.5 with Q701 DFR offers more detail and bigger stage. And DFR beats my old device Fiio X3 In both sound and convenience Unless your phone is a Android phone like mine.(suffer volume issue) I think go DFR is good choice.- chenszhanx
- Post #1,075
- Forum: Portable Headphone Amps