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**MrSpeakers Mad Dog: Impressions and Discussion Thread** - Page 138

post #2056 of 2836

UHA-6 requires max volume with high gain on less dynamically compressed albums for me. Where did you get your O2? As mentioned, not everyone sells it with the same gain settings, IIRC.

post #2057 of 2836
Quote:
Originally Posted by hans030390 View Post
 

UHA-6 requires max volume with high gain on less dynamically compressed albums for me. Where did you get your O2? As mentioned, not everyone sells it with the same gain settings, IIRC.

 

Agree.

That was actually one of the reasons I sold mine.

post #2058 of 2836
Quote:
Originally Posted by hans030390 View Post
 

UHA-6 requires max volume with high gain on less dynamically compressed albums for me. Where did you get your O2? As mentioned, not everyone sells it with the same gain settings, IIRC.

 

 

Well, i bought it from munkong in bangkok, i will check when iam back home if the 6x is available or the resistor is cut.

post #2059 of 2836

Even then, 1x was quite loud with my Mad Dog. I'm not sure what your entire chain is, how that's set up, what you listen to, etc.

post #2060 of 2836
Quote:
Originally Posted by hans030390 View Post
 

Even then, 1x was quite loud with my Mad Dog. I'm not sure what your entire chain is, how that's set up, what you listen to, etc.

 

 

Well , max on low gain is loud enough for me, the problem would be difference between low gain and high gain is 20% on the knob, thats why i need to check.

post #2061 of 2836

I stream Google Play 320 kbps mp3 files with a Samsung Chromebook via USB > Audioengine D1 DAC > JDS Labs O2 (1x gain) > MD 3.2.

 

The DAC is rated at 2 V line out, but I have been setting the output knob to around 50% of maximum so that I have some room to adjust the volume of the O2.  The 10-11 o'clock setting on the O2 with resistor cut (1x gain) is very loud.  Anything over 12 -1 o'clock position would be getting close to painful for my ears.  I really enjoy this semi-mobile audio setup.  To me, the cost for any improvement is simply not justified at this time in my life.  

 

Here are the DAC specs:

http://audioengineusa.com/Store/Digital-Audio-Converters/D1-24-Bit-DAC

 

I use a similar setup in my office, but swap the O2 with a HeadRoom Micro Amp.  This amp has 3 gain settings, and I switch between low and medium depending on the song and my mood.  I generally have the same usable range of volume swing with this amp as I do with the O2.  

 

Unless the source is very dynamic or recorded at a low volume level, there really should be more than enough volume range with the O2, even with no gain applied, to blast the sound with the Mad Dogs.  However, as you stated, it could just be a personal preference.  I do use a sound meter and apparatus as my avatar, and I use this device to measure the decibel level of my headphones.  I normally listen for extended periods of time at around 80 dB or less, but I can jam for short periods at close to 110 dB or a bit over this level. (cool part of a song or intro, but not more than a minute listening this loudly)

post #2062 of 2836

Yeah, that's why I was asking about the entire chain and setup. Could be something "behind" the O2 that requires him to turn it up so much.

post #2063 of 2836
Quote:
Originally Posted by hans030390 View Post
 

Yeah, that's why I was asking about the entire chain and setup. Could be something "behind" the O2 that requires him to turn it up so much.

 

aha my chain would be mostly rockboxed sandisk clip+ (or ipod classic) > O2 > md 3.2

 

i don't know the technical details like output v or the impedance of the dap.

post #2064 of 2836

That would be the problem. You're likely only getting about .5V out of the iPod's line out. Not sure about the Clip+, but I doubt its output is much greater.

post #2065 of 2836
Quote:
Originally Posted by C.C.S. View Post

That would be the problem. You're likely only getting about .5V out of the iPod's line out. Not sure about the Clip+, but I doubt its output is much greater.

Ah i never knew this info, but those are the portable players i think i will use, but out of curiousity to try, is the output related to the dac ? are there any dap that output near or up to 2v ? using a dac in middle would it make a difference? Out of a macbook pro ?

I will return home in couple of days and try other combinations of the equipment i got..
post #2066 of 2836
FiiO X3 reportedly does well enough according to reports early in the thread. iBasso DX50 should do at least as well with 1.7V (medium gain) and 3.1V (high gain) at 30ohm and do it for 1/3 the cost of the X3 (bugs and all).

I have the DX50. It sounds amazing. I'm seriously considering the Mad Dogs as an upgrade to my KNS-8400's.
post #2067 of 2836

How are these as portable headphones? Specifically in terms of sound leakage, both out and in? 

 

Thanks! 

post #2068 of 2836
Quote:
Originally Posted by akong View Post

How are these as portable headphones? Specifically in terms of sound leakage, both out and in? 

Thanks! 

They are way too big for portable use and the fact that they excel with proper amplification.
post #2069 of 2836
Quote:
Originally Posted by CosmicHolyGhost View Post

They are way too big for portable use and the fact that they excel with proper amplification.
I wouldn't say "way". They're probably portable enough for someone who wears DJ or monitor headphones as portable kit. The stock T50RP is only a little bit heavier than Shure SRH840 and the Mad Dogs are supposed to be much more comfortable to wear -- which probably isn't difficult; I switched my Shure 840's for my KRK 8400's because the 840's were really uncomfortable on my ears.

Still haven't squeezed the trigger on my own Mad Dogs, yet. I need to sell a few things (not audio) first.
post #2070 of 2836
Quote:
Originally Posted by ratinox View Post


I wouldn't say "way". They're probably portable enough for someone who wears DJ or monitor headphones as portable kit. The stock T50RP is only a little bit heavier than Shure SRH840 and the Mad Dogs are supposed to be much more comfortable to wear -- which probably isn't difficult; I switched my Shure 840's for my KRK 8400's because the 840's were really uncomfortable on my ears.

Still haven't squeezed the trigger on my own Mad Dogs, yet. I need to sell a few things (not audio) first.


maybe my head is too small..and the mad dog are heavy on my head :D although I do walk around with them in my house when driven using Hifiman HM-901 balance. but I think they sound the best when using desktop amp.

 

for reference, the only portable phones that I am comfortable with wearing in public is DT1350.

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