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DT880: REAL difference between 250 and 600 ohms? - Page 3

post #31 of 83
5/26/09 at 9:08pm
Quote:
Originally Posted by Andrew_WOT View Post
Imagine his surprise if you'd let him know that one pair had no caps at all, on both drivers.
opening them voids the warranty I guess, so you sent them back for mismatched impedance...and no word on the missing caps?

so, anyway, if you want a DT770/600Ω it's either Manufaktur or die?
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Gear mentioned in this thread:

Beyer Dynamic DT 880 Premium 600 OHM Headphones
beyerdynamic DT 880 Premium Headphones
Beyerdynamic DT 880 Pro 250 OHM Semi-open reference headphone
post #32 of 83
5/26/09 at 9:16pm
Quote:
Originally Posted by Zombie_X View Post
How would I check them with a multimeter? I don't want to open them up..

There is a volume difference by a few decibels but that isn't much. But they sound very different. Even the 600ohm one I bought from tongson plays at the same volume. The 250ohm one sounds very thin with bright highs, while the 600ohm sounds fleshed out with less fatiguing highs (mids are more fleshed out). So I know the phones aren't the exact same.

So I have two 600ohm DT880's and they both play at nearly the same volume as the 250ohm DT880 on my Zune, but when it is set at a volume above 10 you can hear that the 600ohm is a little quieter.
You don't need to open the headphone to measure their DC resistance. You can measure across the plug.

Outer tip is left, ring is right, sleeve is ground. So measure with red probe on the tip and black on the sleeve to measure the left channel; measure with the red probe on the ring and black probe on the sleeve to measure the right channel.

When I was comparing the 600 with the 250 ohm, I too noted a few dBs in difference in SPL.

From my experience beyers need to be driven by a higher output impedance to not sound thin and lean.
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post #33 of 83
5/26/09 at 9:40pm
UPDATE:
I used the 3.5mm jack as my test point. The 600ohm DT880's came up at 625 and 620 for right/left. The 250ohm DT880 came up at 255 and 248 for right/left.
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post #34 of 83
5/26/09 at 9:57pm
Quote:
Originally Posted by ATHFan View Post
I'm just curious. Since the introduction of the 600 ohms version of the Beyerdynamic DT880, people have been claiming that these sound more refined than the 250 ohms version, but is this true? Or are the perceived differences merely different reactions to the amplifier at the moment? The reason why I'm asking is because the descriptions I get from the 600 ohms version are exactly what I'm hearing from my own DT880, which is the 2005, 250 ohms version.

Did anyone actually do an A/B comparison with these two headphones under the following circumstances?
  • Both these headphones need to be 2005 Premiumline editions. So no 2003 editions or Pro-models.
  • Both headphones must have been connected with the same source and amplifier.
  • The amplifier used must be capable to drive both the 250 ohms and 600 ohms version at their limits.
  • This must be an actual A/B comparison. So nothing from memory.

Try to explain the differences you've heard (If there are any). Also, please mention if the comparison was made under the circumstances stated here.

Let's find out if the myths are actually true!
well, can I do a 2003 DT880 250ohm vs. DT880/600 comparison?
DT880/600 = noticeable different. i.e. actually has bass. Driven by a Rockhopper m^3 = maxed out to their potential tbh.
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post #35 of 83
5/26/09 at 10:25pm
Yeah, the 600ohm does seem to have more bass, and it's even tighter.

I think the 600ohm is a overall warmer headphone due to more mids, but still neutral. When I say more mids I mean way more. They are incredibly warmer sounding than the 250ohm.
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post #36 of 83
5/27/09 at 12:36am
Quote:
Originally Posted by Zombie_X View Post
UPDATE:
I used the 3.5mm jack as my test point. The 600ohm DT880's came up at 625 and 620 for right/left. The 250ohm DT880 came up at 255 and 248 for right/left.
Do you have Manufaktur or regular 600Ohm version? My Manufaktur has drivers matched exactly.
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post #37 of 83
5/27/09 at 12:39am
Quote:
Originally Posted by leeperry View Post
opening them voids the warranty I guess, so you sent them back for mismatched impedance...and no word on the missing caps?

so, anyway, if you want a DT770/600Ω it's either Manufaktur or die?
No, I just used my superhuman x-ray vision.
All non-manufaktur Beyer phones I owned had some impedance mismatch between drivers, guess Beyer does not even try to match them up and have high production tolerances on voice coils.
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post #38 of 83
5/27/09 at 12:59am
It's a Manufaktur and the other 600ohm is a normal one. I retested it and both drivers are 625ohm each.
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post #39 of 83
5/27/09 at 1:56am
And now just to convince my mother its worth buying another pair of headphones so I can use her CC
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post #40 of 83
5/27/09 at 2:34am
Quote:
Originally Posted by CDBacklash View Post
And now just to convince my mother its worth buying another pair of headphones so I can use her CC
Should I have Petey and Pauly drop buy and explain it to her?
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post #41 of 83
5/27/09 at 3:41am
Quote:
Originally Posted by Zombie_X View Post
I plugged them into my Zune and they both are the same volume? That's odd. The 600ohm should sound far more quiet than the 250ohm version, but they are the same volume...
Not necessarily. But 600 ohm for sure will consume more power from your Zune.
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post #42 of 83
5/27/09 at 9:41am
The real difference is that the higher-impedance version requires more powere to achieve a given subjective loudness. That's about it.
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post #43 of 83
5/27/09 at 10:32am
Thread Starter 
I guess there really is a difference between these two headphones . Now I really want to try one as well!

The problem with me is that I connect my headphones to a Yamaha RX-V663 AV-receiver, which is enough to drive the 250 ohms version to decent levels, but I doubt it will do the same for the 600 ohms version. I don't think I would want to plug my headphones into an external amplifier since I won't be able to make use of Yamaha's Silent Cinema function then.

Any ideas?
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post #44 of 83
5/27/09 at 11:07am
Quote:
Originally Posted by intoart View Post
The real difference is that the higher-impedance version requires more powere to achieve a given subjective loudness. That's about it.
uh...no. Does not explain the extra deeper more extended bass, does not explain why I have it at the same volume as my '03 Beyers despite the added resistance. You're writing a bunch of bull. That's about it.
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post #45 of 83
5/27/09 at 11:28am
Another same discussion. I prefer the Pro version to the stock 250 ohm version - more clamp, coil cable, both transducers measured 249 ohms which is no surprise if the headphone is intended for sound editing and other home studio work. I chose them due to more interesting spatial imaging than the straight wire version has.
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Gear mentioned in this thread:

Beyer Dynamic DT 880 Premium 600 OHM Headphones
beyerdynamic DT 880 Premium Headphones
Beyerdynamic DT 880 Pro 250 OHM Semi-open reference headphone
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