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[Review] Brainwavz HM5, A New Neutral Champ

Jan 15, 2012 at 9:31 AM Post #542 of 1,750

Here's some rough measurement of my HM5s (there would be less bass rolled off if I covered it better. I can't be bothered to do a proper rig). The blue line is HM5's raw frequency response, while the red line is when both vents of the cups are covered. I suspect those vents are sort of like bass reflex ports of speakers.
 
The dip at 300Hz is the result of those vents, not the drivers. Still, we can pretty much infer that HM5s are identical to FA-003s based on both subjective and objective evidence.
 
Jan 15, 2012 at 9:34 AM Post #543 of 1,750
kingpage said:

Here's some rough measurement of my HM5s (there would be less bass rolled off if I covered it better. I can't be bothered to do a proper rig). The blue line is HM5's raw frequency response, while the red line is when both vents of the cups are covered. I suspect those vents are sort of like bass reflex ports of speakers.
 
The dip at 300Hz is the result of those vents, not the drivers. Still, we can pretty much infer that HM5s are identical to FA-003s based on both subjective and objective evidence.
Click to expand...


Wow, not feeling that treble recession there. Makes me glad I didn't get them then. Not into that. Not that I understand how it translates into sound, but it looks quite smooth in the treble department.
 
Jan 15, 2012 at 9:59 AM Post #544 of 1,750
You do know why "monitor" speakers can't be used as home listening, right? Because their treble is too flat. No headphones have flat treble, if they had flat treble it would be extremely piercing. Besides, like I have already said, the seal is not good.
 
This is a raw measurement, no compensation, no nothing. Perhaps I shouldn't have posted it. People are going to read to much into the graphs.
 
BTW, compare your D7000 with FA-003 at Innerfidelity. D7000 has treble roll-off whereas FA-003 doesn't.
 
Jan 15, 2012 at 10:59 AM Post #546 of 1,750
kingpage said:
You do know why "monitor" speakers can't be used as home listening, right? Because their treble is too flat. No headphones have flat treble, if they had flat treble it would be extremely piercing. Besides, like I have already said, the seal is not good.
 
This is a raw measurement, no compensation, no nothing. Perhaps I shouldn't have posted it. People are going to read to much into the graphs.
 
BTW, compare your D7000 with FA-003 at Innerfidelity. D7000 has treble roll-off whereas FA-003 doesn't.
Click to expand...


I did...



FA-003 on the left, D7000 on the right.

The treble on the D7000 seems peakier than the 003. I've known the D7000 to have sparklier treble than some like, while the FA-003 has been known to have some pretty smooth treble with a hint of sparkle.

Not to say that this image is perfect, but to me it shows the 003 to have less treble than the D7000 until the absolute highest treble range where they are close to one another, even if you were to put it on the same baseline. I dunno how to translate this into how they sound in comparison, but I do know the D7000's treble isn't exactly smooth.

I'm still very interested in hearing the FA-003/HM5, though I know I wouldn't want a smoother treble than the D7000. I like plenty of sparkle.
 
Jan 15, 2012 at 11:25 AM Post #547 of 1,750


Quote:
kingpage said:
You do know why "monitor" speakers can't be used as home listening, right? Because their treble is too flat. 
Click to expand...



What is a "monitor" speaker?
 
Jan 15, 2012 at 5:12 PM Post #549 of 1,750

Reference point at 1000Hz. D7000 has more upper mid recess, and upper high roll-off.
 
Jan 16, 2012 at 11:53 AM Post #551 of 1,750
 
Quote:
headphonatic said:
Whoever has an iPad, try out the eq in setting under iPod, listen to a song and make sure the Eq is off, then turn on the flat section, prepared to be amazed, no difference at all.
smily_headphones1.gif
Click to expand...


No offense, but you do realize that "off" and "flat" are essentially the same thing?
 
Jan 16, 2012 at 5:25 PM Post #553 of 1,750
Any Aussie headfiers may want to check out another fa003/hm5 clone at jaycar electronics. It is branded by digitech and comes in exactly the same packaging as the fa003 and hm5. Retail price is $99. I am curious as to whether these are the same yoga cd880 model as marketed by both Fischer and brainwavz. They have very similar specs - I had a listen at the store and they sounded the same as what has been described for the hm5 and fa003. Very neutral with a mild upper mid harshness. Be interested if anyone who has a fa003 or hm5 could go and audition a pair of these digitechs for the interest of the forum. They are simply called digitech monitor headphones.
 
Jan 16, 2012 at 7:21 PM Post #555 of 1,750
That goes to show how good these are. D1001 was only rebranded once, and that was the lengendary Aurvana Live!. And now, needless to say, I own these HM5s which have at least three other rebranded ones, they are truly great. They have a sound signature that suits majority of the people, unless your tastes are extremely different from us.
 
I'm still thinking whether I should put dynamat xtreme on the back of the drivers, as their bass is really good already so I don't want to make it any lesser.  I wonder if I take away all the sound reflections by replacing the felt with some accoutic absorber, the soundstage wouldn't be as good. No dynamat on the inside of the cups this time like I did with the CAL!, so it will be easily replacable. I will do some measurement for before and after if I have enough time on my hands.
 
Does anyone know where to buy really cheap sound absorber in Brisbane/Australia?
 
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