CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

  • December 31, 2015, 01:48:32 PM
  • Welcome, Guest
Please login or register.

Login with username, password and session length
Advanced search  
Pages: 1 2 3 4 5 [6]

Author Topic: SYNERGISTIC SYSTEM: An awesome setup for the HE500  (Read 8853 times)

0 Members and 1 Guest are viewing this topic.

jerg

  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +41/-2
  • Offline Offline
  • Posts: 466
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #50 on: January 18, 2013, 08:46:59 AM »
Quote from: paranoidroid on January 18, 2013, 08:42:11 AM
I've measured many HE-500s out of curiosity and the ones I personally measured ranged between 33ohm - 46ohm so the 38ohm is definitely an average and not all samples will measure that..

Are a lot of them wildly off between the two channels, as in 33Ohm Left, 46Ohm right? Because that is what is up with my pair haha. I don't notice any effect in practice though.
Logged

LFF

  • Mastering Wizard & Restoration Guru
  • Mate
  • Pirate
  • ****
  • Brownie Points: +761/-0
  • Offline Offline
  • Posts: 1425
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #51 on: January 18, 2013, 05:40:34 PM »
Quote from: rhythmdevils on January 18, 2013, 07:22:22 AM
Maybe it can turn rubber into mila kunis' butt?

I rather have her face...but I'll try to bring over a T50RP soon to test out.
Logged
These statements are false.
I rule with an iron fist and ears of gold!
The preceding statements were true.

The way to a man's heart is through her stomach.

Marvey

  • The Man For His Time And Place
  • Master
  • Pirate
  • *****
  • Brownie Points: +555/-33
  • Offline Offline
  • Posts: 6698
  • Captain Plankton and MOT: Eddie Current
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #52 on: January 18, 2013, 05:54:18 PM »
Quote from: jerg on January 18, 2013, 08:46:59 AM
Are a lot of them wildly off between the two channels, as in 33Ohm Left, 46Ohm right? Because that is what is up with my pair haha. I don't notice any effect in practice though.


One pair I measured was ~36 both channels. The existing pair I have is ~45 both channels. The good thing is that both headphones had essentially the same sensitivity and FR as each other. At least I think so. I will check.

Logged

Solderdude

  • Grab the dScope Kowalski!
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +206/-4
  • Offline Offline
  • Posts: 907
  • No can do skipper, the dScope was terminated
    • DIY-Audio-Heaven
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #53 on: January 18, 2013, 06:11:10 PM »
The one Golden Ears tested was 37 Ohm, the one tested by a Russian site was 33.8 Ohm (both channels)
Logged
Use your ears to enjoy music, not as an analyser.

ader

  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +25/-1
  • Offline Offline
  • Posts: 197
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #54 on: January 18, 2013, 07:17:57 PM »
My first pair's right cup was roughly 20% louder than its left (since I was using Windows to correct it for awhile before returning them).  No idea what that would translate to in impedance difference, but I'm assuming that was the cause.  Shame because that pair sounded better than my current one after volume adjustments.
Logged

jerg

  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +41/-2
  • Offline Offline
  • Posts: 466
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #55 on: January 18, 2013, 09:00:14 PM »
Quote from: ader on January 18, 2013, 07:17:57 PM
My first pair's right cup was roughly 20% louder than its left (since I was using Windows to correct it for awhile before returning them).  No idea what that would translate to in impedance difference, but I'm assuming that was the cause.  Shame because that pair sounded better than my current one after volume adjustments.

That assumption is discrepant with my observations with my pair though; 32-48 Ohm Left vs Right impedance, and no channel imbalance at all. It would have been great (well, not for you but for the general knowledge about planar magnetic cans) if you also measured the impedance of the imbalanced pair you had, and they turned out to match. That would have shown that balance/FR is not directly related to the apparent impedance values. Ah well.

Looking forward to Purrin's low vs high impedance HE500 measurements.
Logged

paranoidroid

  • Able Bodied Sailor
  • Powder Monkey
  • ***
  • Brownie Points: +6/-0
  • Offline Offline
  • Posts: 27
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #56 on: January 18, 2013, 10:40:26 PM »
Quote from: purrin on January 18, 2013, 05:54:18 PM
Quote from: jerg on January 18, 2013, 08:46:59 AM
Are a lot of them wildly off between the two channels, as in 33Ohm Left, 46Ohm right? Because that is what is up with my pair haha. I don't notice any effect in practice though.


One pair I measured was ~36 both channels. The existing pair I have is ~45 both channels. The good thing is that both headphones had essentially the same sensitivity and FR as each other. At least I think so. I will check.

This would be very interesting. There have been a few posts with people listening to different impedance HE-500 and claiming they hear a difference in FR. I have noticed myself the 33ohm unit bass FR was a bit different than the 45ohm unit (33ohm had a bit less bass, about 1.5db difference on the low end, not very noticeable except in fast direct comparison, could tell in blind test, also had slightly brighter treble). Not sure if this is due to just random unit variance or actually correlated to the driver impedance.  The difference was very very small but it was there..
« Last Edit: January 18, 2013, 10:48:01 PM by paranoidroid »
Logged

jerg

  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +41/-2
  • Offline Offline
  • Posts: 466
Re: SYNERGISTIC SYSTEM: An awesome setup for the HE500
« Reply #57 on: January 19, 2013, 01:11:54 AM »
Quote from: paranoidroid on January 18, 2013, 10:40:26 PM
Quote from: purrin on January 18, 2013, 05:54:18 PM
Quote from: jerg on January 18, 2013, 08:46:59 AM
Are a lot of them wildly off between the two channels, as in 33Ohm Left, 46Ohm right? Because that is what is up with my pair haha. I don't notice any effect in practice though.


One pair I measured was ~36 both channels. The existing pair I have is ~45 both channels. The good thing is that both headphones had essentially the same sensitivity and FR as each other. At least I think so. I will check.

This would be very interesting. There have been a few posts with people listening to different impedance HE-500 and claiming they hear a difference in FR. I have noticed myself the 33ohm unit bass FR was a bit different than the 45ohm unit (33ohm had a bit less bass, about 1.5db difference on the low end, not very noticeable except in fast direct comparison, could tell in blind test, also had slightly brighter treble). Not sure if this is due to just random unit variance or actually correlated to the driver impedance.  The difference was very very small but it was there..
I dunno, if purrin ends up proving that impedance actually has no relevance with the FR and channel balance in general, then I'd be a happy camper because I won't always be bugged that my L and R channels are a whopping 13 Ohm apart in impedance.
Logged
Pages: 1 2 3 4 5 [6]
« previous next »