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| Portable Headphone Amps Discussion of portable headphone amps. |

12-26-2007, 11:30 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,555
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Quote:
Originally Posted by Jaw007
You being a Cardiac critical care nurse, Visual Anthropologist, Professional photographer,Where do you find all the time listening and evaluating all of these amps?
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As I go back and forth and taking small breaks looking at Headfi, I am listening to music and working on a book from some research with the Aymara Indians in northern Chile. I keep pretty busy. Some time in the future I will post some of the images from northern Chile on my web site. Thank you for asking. If you haven't already I invite you to view some of what I saw in China, Nepal and Tibet on my web site. There are also two UNESCO and UNDESA projects that I did the visual anthropology/natural history photography for.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
Last edited by jamato8; 12-26-2007 at 11:33 PM.
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12-26-2007, 11:35 PM
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1000+ Head-Fi'er
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Join Date: May 2007
Location: USA
Posts: 1,395
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Quote:
Originally Posted by Jalo
Of course, he listen to his amp while providing cardiac critical care. 
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If Ray would donate these fine amps to Cardiac patients to listen to,I'm sure they would be curied,and up and dancing in no time at all!
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12-26-2007, 11:40 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,555
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That would be a site. It is remarkable though how fast some patients get up and around after major open heart surgery. I have had pts walking down the hall 3 days after having their chest split open and some still unable to do very much after a week. It isn't always the physical condition of the pt but that does help. Then I have some that code and either don't make it or go back for another round. Ah, music to make the stay that much more enjoyable and to pass the time. Up dancing with their IV poles would be a strange site.
The Predator has taken on a very fine presentation of the musical stage. The top end is sweet but very detailed and the mids are nice and lush.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
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12-26-2007, 11:42 PM
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1000+ Head-Fi'er
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Join Date: May 2007
Location: USA
Posts: 1,395
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Quote:
Originally Posted by jamato8
As I go back and forth and taking small breaks looking at Headfi, I am listening to music and working on a book from some research with the Aymara Indians in northern Chile. I keep pretty busy. Some time in the future I will post some of the images from northern Chile on my web site. Thank you for asking. If you haven't already I invite you to view some of what I saw in China, Nepal and Tibet on my web site. There are also two UNESCO and UNDESA projects that I did the visual anthropology/natural history photography for.
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I was just joking ,I really respect you,and all of your information>I was inspired by you to purchase an iBasso P2,and you were right it sounds great.Keep up the good work,and I shall be reading.
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12-27-2007, 12:03 AM
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Headphoneus Supremus
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Join Date: Oct 2007
Posts: 1,516
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This is some weird amp, 475hrs, super bass, then few hours later, back to normal but bright, then at 500hrs, everything is good again? lol
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12-27-2007, 12:30 AM
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1000+ Head-Fi'er
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Join Date: Feb 2006
Location: Knoxville TN
Posts: 1,457
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Quote:
Originally Posted by powertoold
This is some weird amp, 475hrs, super bass, then few hours later, back to normal but bright, then at 500hrs, everything is good again? lol 
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This is basically what happened with my Hornet and most definitely my Portaphile--went thru all these sonic gyrations before finally settling into a very delightfully musical amp
__________________
I can't see how the human race is going to survive now that the cost of living has gone up $2 a quart--W.C. Fields
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12-27-2007, 12:41 AM
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Moderator: Headphoneus Supremus: The first to organize an International Head-Fi Meet (2006)
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Join Date: Mar 2002
Location: "I can't hear you...I have my headphones on" Long Island, NY
Posts: 8,677
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Quote:
Originally Posted by Jaw007
If Ray would donate these fine amps to Cardiac patients to listen to,I'm sure they would be curied,and up and dancing in no time at all!
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As long as you are going to "curry" a curied patient, you might as well add some Roti and Mango Chutney.
West Indian food is delicious.
My Portaphile and Hornet also went through some serious convulsions around 300 hours and then took a stand.
__________________
**********************************
-My house was built for lovin'...not a theater of war.
-Realize it's harder to find your own voice, then to follow one, already in the air.
~~~><///'>~~~><///'>~~~><///'> ~~~
Music is my recreational drug...I need a dose, everyday!
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12-28-2007, 08:24 PM
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500+ Head-Fi'er
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Join Date: Nov 2004
Location: Montreal, Melbourne, Jakarta Constantly moving!
Posts: 860
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Just got my Predator. It sounds I would say, flat, and not that involving at the moment. it's got soundstage, and depth, but not impressive. High, I would say shrill, I would pick my AE-2 anytime. Burning-in is starting now.
__________________
Portable1: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> CablePro Panorama -> Predator -> UE-11 Pro/ ER-4P Apuresound
Portable2: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> AE-2 -> Ultrasone Edition 9(AWESOME)/ UE-11 Pro
Portable3: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> SR-71A -> Ultrasone Edition 9
Home1:iMod 80GB 5.5G -> ALO SuperCotton ->VCAP -> CablePro Reverie V.2 -> EarmaxPro(CV6091 Triple Mica Square getter GEC 1963 & 7308 Amperex USA white label PQ military type, labelled Amperex, gold pins 1961, Siemens CCa 1963, Telefunken CCa)
-> HD650 Equinox LE(For Classical/Opera, Complex Energetic Instrumental)
Home2:Freeway 2 -> Grace M902(Marigo Power Cable) -> CablePro Reverie 2 -> LISA Expedition 19/100
-> Grado GS1000 Black Dragon(Jazz, and Extra JAZZ)
-> Denon AH-D7000
-> HD650 Equinox LE(For Classical/Opera, Complex Energetic Instrumental)
1. UE-11Pro still my top choice.
2. UE-10Pro
3. ER-4P Apuresound
Own iPOD Classic 80GB and there is no way the SQ to be anywhere close to iMOD 5.5G with VCap. The Vcap miles away in terms of: Soundstage, Decay, Depth, Midrange, MUSICALITY! with ER-4P(Apuresound)
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12-28-2007, 08:35 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,555
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Quote:
Originally Posted by jlingo
Just got my Predator. It sounds I would say, flat, and not that involving at the moment. it's got soundstage, and depth, but not impressive. High, I would say shrill, I would pick my AE-2 anytime. Burning-in is starting now.
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Yep, exactly what I got at first. I thought, "whoa, this thing sucks, what was Ray thinking?" It takes some time to open up and goes through more changes than Jim Carrey in The Mask.
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
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12-28-2007, 08:37 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,555
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Near 600 hours and I am still experiencing changes and not always subtle ones.
Last edited by jamato8; 12-28-2007 at 08:39 PM.
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12-28-2007, 09:58 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,555
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What I have is my Monica II dac that I run from battery power that is very stable and has thousands of hours on it and the dac section of the D1. I compare to both of these as a reference point. When I question what I hear I listen to them using the P2 and Xin Reference. I also listen to just the amp section of the Predator. I use a track from Cris Isaak's "Forever Blue" -Forever blue- very often because it has a great sense of acoustical space and when done right, presents him as a very 3d acoustical image. When this track isn't right it can sound flat and lacking in air and transparency.
enjoying a read on some advanced inform regarding the pathophysiology of atherosclerosis right now and listening to some fine muuusac. :^)
__________________
John aka Jam and Jama
Photo gallery at: www.pbase.com/jamato8 Recent publication: Ethnobotany Research & Applications, Vol 7 (2009) Kam Guilzhouh nyim Guangxxih di Benxtux Wenchual nyim Zihyuanc dih Gonxliix: Kam Local Indigenous Knowledge and Sustainable Resource Management in Guizhou and Guangxi Provinces, China http://www.ethnobotanyjournal.org/
The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears.
JH13's > Why stay home when you can go to the concert?
Listening with: JH13 Pro, Grado HF2 #469
Digital conversion: the all new MB-1 optical dual Wolfson portable dac
Amps I am currently listening with: RSA P-51 Mustang, SR 71A, iBasso D10, Lisa III, OEM BLack Gate, Non Black Gate, iBasso P3+, iBasso T3 (new version), RSA Shadow, iBasso D4
Favorite monitors: JH13 Pro, Grado HF2, Ultrasone Ed. 9 #1010, ATH-ESW10JPN
Portable monitor ratings: 1. JH 13 Pro 2. ESW10 JPN 3. PortaPros, KSC35 (modified-a great value) *4. UM2
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: MB-1 optical Dac, Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac, iBasso D10
Headphone Amplifiers:RSA: Shadow, Predator, P-51 Mustang, SR71A, Xin: IV Micro, IV Mini, Reference, SM3B, SuperMacro V LE, SM3 V6 (IV all switches), XRTA X-1, C&C Box, iBasso: P1, P2, P3, P3+, T1, T2, T3, T4 D1, D2, D3, D4, D10 Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 with the original Pseudo dual PS -
Ear Monitors: JH13 Pro, Ultra Ed. 9, Grado HF-2/F1 #469, HD650, ATH-ESW10 JPN, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
Last edited by jamato8; 12-28-2007 at 10:06 PM.
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12-28-2007, 09:59 PM
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500+ Head-Fi'er
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Join Date: Nov 2004
Location: Montreal, Melbourne, Jakarta Constantly moving!
Posts: 860
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Gee my predator charging seems endless. I haven't seen the light turns green or blinking even yet! It has been couple of hours!
__________________
Portable1: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> CablePro Panorama -> Predator -> UE-11 Pro/ ER-4P Apuresound
Portable2: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> AE-2 -> Ultrasone Edition 9(AWESOME)/ UE-11 Pro
Portable3: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> SR-71A -> Ultrasone Edition 9
Home1:iMod 80GB 5.5G -> ALO SuperCotton ->VCAP -> CablePro Reverie V.2 -> EarmaxPro(CV6091 Triple Mica Square getter GEC 1963 & 7308 Amperex USA white label PQ military type, labelled Amperex, gold pins 1961, Siemens CCa 1963, Telefunken CCa)
-> HD650 Equinox LE(For Classical/Opera, Complex Energetic Instrumental)
Home2:Freeway 2 -> Grace M902(Marigo Power Cable) -> CablePro Reverie 2 -> LISA Expedition 19/100
-> Grado GS1000 Black Dragon(Jazz, and Extra JAZZ)
-> Denon AH-D7000
-> HD650 Equinox LE(For Classical/Opera, Complex Energetic Instrumental)
1. UE-11Pro still my top choice.
2. UE-10Pro
3. ER-4P Apuresound
Own iPOD Classic 80GB and there is no way the SQ to be anywhere close to iMOD 5.5G with VCap. The Vcap miles away in terms of: Soundstage, Decay, Depth, Midrange, MUSICALITY! with ER-4P(Apuresound)
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12-28-2007, 10:01 PM
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Headphoneus Supremus
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Join Date: Nov 2004
Location: Santa Rosa, CA --image Katmandu, Nepal Summer 2006 *We are but a cosmic blink or was that wink?*
Posts: 7,555
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It doesn't turn green, it just stops blinking so I would guess you have a full charge.
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12-28-2007, 10:04 PM
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Headphoneus Supremus
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Join Date: Jun 2001
Location: Virginia, USA
Posts: 6,186
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So you are testing it against a standard, much better than what I was thinking.
__________________
Headphones: Stax: SR-007 MkII, SR-003; Ultrasone: Edition 9 (2); AT:ESW10JPN; Sleek SA6 Wireless--- Home Amps: Stax: SRM-252a; Headamp: KGSS(bg) Yamamoto: HA-02--- Portable Amps: TTVJ: Portable Millet Hybrid;-----Sources: Lavry DA10 (2); Oppo 981HD; Squeezebox V3; iMod; Sansa Fuse; HeadAmp Pico-amp/dac&Pico DAC-----Feedback: http://www.head-fi.org/forums/f12/slwiser-129086/ <><
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12-28-2007, 10:17 PM
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500+ Head-Fi'er
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Join Date: Nov 2004
Location: Montreal, Melbourne, Jakarta Constantly moving!
Posts: 860
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Quote:
Originally Posted by jamato8
It doesn't turn green, it just stops blinking so I would guess you have a full charge.
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Mine doesn't even blink. I haven't seen it blinking yet. is that normal?
__________________
Portable1: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> CablePro Panorama -> Predator -> UE-11 Pro/ ER-4P Apuresound
Portable2: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> AE-2 -> Ultrasone Edition 9(AWESOME)/ UE-11 Pro
Portable3: iMod 80GB 5.5G -> ALO Ag/Au -> VCAP -> SR-71A -> Ultrasone Edition 9
Home1:iMod 80GB 5.5G -> ALO SuperCotton ->VCAP -> CablePro Reverie V.2 -> EarmaxPro(CV6091 Triple Mica Square getter GEC 1963 & 7308 Amperex USA white label PQ military type, labelled Amperex, gold pins 1961, Siemens CCa 1963, Telefunken CCa)
-> HD650 Equinox LE(For Classical/Opera, Complex Energetic Instrumental)
Home2:Freeway 2 -> Grace M902(Marigo Power Cable) -> CablePro Reverie 2 -> LISA Expedition 19/100
-> Grado GS1000 Black Dragon(Jazz, and Extra JAZZ)
-> Denon AH-D7000
-> HD650 Equinox LE(For Classical/Opera, Complex Energetic Instrumental)
1. UE-11Pro still my top choice.
2. UE-10Pro
3. ER-4P Apuresound
Own iPOD Classic 80GB and there is no way the SQ to be anywhere close to iMOD 5.5G with VCap. The Vcap miles away in terms of: Soundstage, Decay, Depth, Midrange, MUSICALITY! with ER-4P(Apuresound)
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