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HifiMAN HE-6 Planar Magnetic Headphone - Page 976

post #14626 of 14901

Found out how power hungry the HE-6 is compared to other headphones.  It needs 3W for 110dB SPL.  I believe GSX-MK2 is 3.2W into 10ohms, but at 43, maybe less?? If you compare with other phones, nothing comes close to how inefficient the Hifiman phones are. I'm guessing HE-4 was hard to drive also. This the reason why people's amps are probably not cutting it.  Thought this might be of interest to people here.

 

Credit to some poor fellow that got banned that did all this work measuring all the phones.  Here is the original link

 

http://www.head-fi.org/t/668238/headphones-sensitivity-impedance-required-v-i-p-amplifier-gain

 

The HE-6 measured was 43ohms.  We all know there are variance to the ohmage of the HE-6

 

Manufacturer Model S@1V [dB SPL] Z [Ω] Voltage [V] Current [mA] Power [mW] Gain [dB] Notes
                 
Hifiman HE-6 89 43 11.22 260.935 2927.734 15  
                 
Manufacturer Model S@1V [dB SPL] Z [Ω] Voltage [V] Current [mA] Power [mW] Gain [dB] Notes
AKG K240 Studio 103 64 2.239 34.98 78.311 1  
AKG K271 MK II 106 65 1.585 24.383 38.644 -2  
AKG K272 HD 110 65 1 15.385 15.385 -6  
AKG K550 115 35 0.562 16.067 9.035 -11  
AKG K601 99 131 3.548 27.085 96.101 5  
AKG K701 105 65 1.778 27.358 48.65 -1  
Audeze LCD-2 108 45 1.259 27.976 35.22 -4  
Audeze LCD-3 102 48 2.512 52.331 131.449 2  
Audio Technica ATH-AD700 113 35 0.708 20.227 14.32 -9  
Audio Technica ATH-AD900 114 37 0.631 17.053 10.76 -10  
Audio Technica ATH-AD900X 114 38 0.631 16.604 10.477 -10 1kHz, specs
Audio Technica ATH-ANC7B 118 305 0.398 1.305 0.52 -14 nc
Audio Technica ATH-ANC9 109 100 1.122 11.22 12.589 -5 nc
Audio Technica ATH-M50 115 38 0.562 14.798 8.322 -11  
Beats by Dr. Dre  Pro 117 18 0.447 24.816 11.085 -13  
Beats by Dr. Dre  Studio 121 216 0.282 1.305 0.368 -17 nc
Beyerdynamic Custom One Pro 116 18 0.501 27.844 13.955 -12  
Beyerdynamic DT770 Pro 98 251 3.981 15.861 63.143 6 1kHz
Beyerdynamic DT770-32 111 32 0.891 27.852 24.823 -7  
Beyerdynamic DT770-600 100 557 3.162 5.677 17.953 4  
Beyerdynamic T1 99 750 3.548 4.731 16.786 5  
Beyerdynamic T5p 116 41 0.501 12.224 6.127 -12  
Beyerdynamic T70 110 380 1 2.632 2.632 -6  
Beyerdynamic T90 102 308 2.512 8.155 20.486 2  
Bose AE2 112 36 0.794 22.065 17.527 -8  
Bose QC15 113 4800 0.708 0.147 0.104 -9 nc
Bowers & Wilkins P5 117 27 0.447 16.544 7.39 -13  
Denon AD-D2000 115 25 0.562 22.494 12.649 -11  
Denon AH-D1001 112 31 0.794 25.623 20.353 -8  
Denon AH-D7000 114 25 0.631 25.238 15.924 -10  
Denon AH-D7100 108 30 1.259 41.964 52.83 -4  
Fischer Audio FA-003 117 75 0.447 5.956 2.66 -13  
Fostex T50RP 107 54 1.413 26.158 36.949 -3  
Fostex T7 113 80 0.708 8.849 6.265 -9  
Fostex TH900 108 25 1.259 50.357 63.396 -4  
Grado Labs SR60i to 325i 111 34 0.891 26.213 23.363 -7  
Hifiman HE-4 90 63 10 158.73 1587.302 14  
Hifiman HE-500 102 34 2.512 73.879 185.576 2  
Hifiman HE-6 89 43 11.22 260.935 2927.734 15  
Hifiman Re0 118 60 0.398 6.635 2.641 -14  
KRK Systems KNS6400 110 34 1 29.412 29.412 -6  
KRK Systems KNS8400 106 35 1.585 45.283 71.768 -2  
Sennheiser Amperior 113 22 0.708 32.179 22.781 -9  
Sennheiser CX880 120 34 0.316 9.301 2.941 -16  
Sennheiser HD202 119 34 0.355 10.436 3.703 -15  
Sennheiser HD280 Pro 114 73 0.631 8.643 5.454 -10  
Sennheiser HD555/595 114 72 0.631 8.763 5.529 -10  
Sennheiser HD558/598 112 70 0.794 11.348 9.014 -8  
Sennheiser HD600 105 322 1.778 5.523 9.821 -1  
Sennheiser HD650 104 333 1.995 5.992 11.955 0  
Sennheiser HD700 105 199 1.778 8.936 15.891 -1  
Sennheiser HD800 103 430 2.239 5.206 11.656 1  
Sennheiser IE800 125 18 0.178 9.879 1.757 -21  
Sennheiser PX100 II 114 34 0.631 18.558 11.709 -10  
Sennheiser PX200 II 115 38 0.562 14.798 8.322 -11 1kHz
Shure SE215 126 18 0.158 8.805 1.395 -22  
Shure SE535 133 36 0.071 1.967 0.139 -29  
Shure SRH1440 107 38 1.413 37.172 52.507 -3  
Shure SRH1840 102 66 2.512 38.059 95.6 2  
Shure SRH440 116 41 0.501 12.224 6.127 -12  
Shure SRH750 113 39 0.708 18.152 12.851 -9  
Shure SRH840 116 44 0.501 11.391 5.709 -12  
Shure SRH940 113 40 0.708 17.699 12.53 -9  
Skullcandy Aviator 118 36 0.398 11.059 4.402 -14  
Skullcandy Crusher 114 32 0.631 19.717 12.441 -10 1kHz, specs
Skullcandy Mix Master 119 20 0.355 17.741 6.295 -15  
Sol Republic Tracks 118 60 0.398 6.635 2.641 -14 1kHz
Somic MH463 106 45 1.585 35.22 55.82 -2 1kHz, specs
Sony MDR-MA900 111 15 0.891 59.417 52.955 -7  
Sony MDR-XB1000 115 27 0.562 20.827 11.712 -11  
Sony MDR-XB500 123 43 0.224 5.206 1.166 -19  
Sony MDR-XB700 115 28 0.562 20.084 11.294 -11  
Superlux HD668b 108 61 1.259 20.638 25.982 -4  
Superlux HD669 110 62 1 16.129 16.129 -6  
Takstar HI2050 104 60 1.995 33.254 66.351 0 1kHz, specs
Ultrasone Edition 8 115 34 0.562 16.539 9.301 -11  
Ultrasone HFI580 115 36 0.562 15.621 8.784 -11  
Ultrasone HFI680 115 75 0.562 7.498 4.216 -11  
Ultrasone HFI780 116 40 0.501 12.53 6.28 -12  
Ultrasone Pro550 117 65 0.447 6.872 3.07 -13  
Ultrasone PRO750 114 41 0.631 15.389 9.71 -10  
Ultrasone PRO900 108 43 1.259 29.277 36.858 -4  
V-Moda Crossfade M100 115 36 0.562 15.621 8.784 -11  
Yamaha PRO 300 116 58 0.501 8.641 4.331 -12

Edited by SilverEars - 8/10/14 at 4:43pm
post #14627 of 14901

Ultrabike took some measurements of my HE-6 during the LA meet:

 

post #14628 of 14901
Quote:
Originally Posted by ohhgourami View Post
 

Ultrabike took some measurements of my HE-6 during the LA meet:

 


Very impressive!  I can see why modders put so much energy into tinkering. :biggrin:

post #14629 of 14901

Wow, the response is almost flat.  although there is that brief dip at 14k.  


Edited by SilverEars - 8/11/14 at 6:01am
post #14630 of 14901
The "before" blue line was measured last year before all the mods, the green line is with mods.
post #14631 of 14901
Here comes the 6.5..........
post #14632 of 14901
Quote:
Originally Posted by Happy Camper View Post

Here comes the 6.5..........
7.0 is where they send the band to your house.
biggrin.gif
post #14633 of 14901

I wonder when the last time Dr. Fang Bian read our wonderful thread?

:popcorn:

post #14634 of 14901

I bought a fully modded HE-6 with vegan pads, fuzzor Mod. and hardwired nucleotide cable.  I have tested it for a few weeks and although it is good headphone- it was just to warm and mushy for my tastes.   I just switched the Vegan pads out for the hifi-man pads- and WOW- what a difference.    All the mushiness is gone.  It really cleared up things.  This is now considered world class.  I can barely believe what a difference a ear-pad could make.

 

I do not understand how anyone can prefer the Vegan pads to the regular Hifi man pads.   It is way to warm.  I guess depending on other mods. or lack of mods. and equipment- maybe the vegan pads may be needed for an overly bright system- but in mine they damage.

 

Does the fuzzor mod make things warmer or brighter?  

post #14635 of 14901

Do your have the grill mod as well?

post #14636 of 14901
Quote:
Originally Posted by Silent One View Post
 

I wonder when the last time Dr. Fang Bian read our wonderful thread?

:popcorn:

SO, I saw your thread on the Glenn OTL amp...what amp(s) with the HE 6? If you still have the Glenn, is it for the HD 800? Thanks.

post #14637 of 14901
Quote:
Originally Posted by rsbrsvp View Post
 

I bought a fully modded HE-6 with vegan pads, fuzzor Mod. and hardwired nucleotide cable.  I have tested it for a few weeks and although it is good headphone- it was just to warm and mushy for my tastes.   I just switched the Vegan pads out for the hifi-man pads- and WOW- what a difference.    All the mushiness is gone.  It really cleared up things.  This is now considered world class.  I can barely believe what a difference a ear-pad could make.

 

I do not understand how anyone can prefer the Vegan pads to the regular Hifi man pads.   It is way to warm.  I guess depending on other mods. or lack of mods. and equipment- maybe the vegan pads may be needed for an overly bright system- but in mine they damage.

 

Does the fuzzor mod make things warmer or brighter?  

I had the Audez'e LCD 2&3 and briefly used the vegan pads. I went back to their leather pads. I don't see myself using the vegan for the 6. I have removed the grill...next up fuzzor

post #14638 of 14901
Quote:
Originally Posted by kothganesh View Post
 

SO, I saw your thread on the Glenn OTL amp...what amp(s) with the HE 6? If you still have the Glenn, is it for the HD 800? Thanks.

2359glenn OTL amp: HD650

Shindo Laboratory F2a Sinhonia monaural amps: HE-6

Sansui G-22000: HE-6

post #14639 of 14901
Quote:
Originally Posted by rsbrsvp View Post
 

Does the fuzzor mod make things warmer or brighter?  

 

My question is has anyone performed a frequency response curve before and after a fuzzor mod? Or is it just one of those perceived before and after thing?

post #14640 of 14901
Quote:
Originally Posted by rsbrsvp View Post
 

I bought a fully modded HE-6 with vegan pads, fuzzor Mod. and hardwired nucleotide cable.  I have tested it for a few weeks and although it is good headphone- it was just to warm and mushy for my tastes.   I just switched the Vegan pads out for the hifi-man pads- and WOW- what a difference.    All the mushiness is gone.  It really cleared up things.  This is now considered world class.  I can barely believe what a difference a ear-pad could make.

 

I do not understand how anyone can prefer the Vegan pads to the regular Hifi man pads.   It is way to warm.  I guess depending on other mods. or lack of mods. and equipment- maybe the vegan pads may be needed for an overly bright system- but in mine they damage.

 

Does the fuzzor mod make things warmer or brighter?  


Do you have the grill mod? That's the difference between it sounding amazing and total crap. Fuzzor mod without grill mod makes the headphone sound closed in and mushy. You should try removing the grills completely to give you a sense of what improvements to expect with a breathable grill. It only takes 5 mins.

 

A strange observation I made at the LA meet when I tried Clemmaster's Lavardin amp; my HE-6's spacial image completely collapsed. My mods simply did not worth right when using his amp. Once I switched over to his HE-6, it sounded completely different and sounded fine. Both headphones transformed once they were plugged into my amp though. It seems like the mods must be tailored towards the rig because of synergy and/or amping potential.

 

Quote:
Originally Posted by wuwhere View Post
 

 

My question is has anyone performed a frequency response curve before and after a fuzzor mod? Or is it just one of those perceived before and after thing?

 

Blue line: stock

Green line: fully modded


Edited by ohhgourami - 8/12/14 at 10:59am
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