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The Beyerdynamic DT880 Discussion thread - Page 7

post #91 of 8065
Quote:
Originally Posted by Skylab View Post
Indeed!

From personal experience, the following amps work especially well with the 600 ohm Beyers, in no particular order: Audio-GD Phoenix; Darkvoice 337; Decware CSP-2; RSA Apache and Stealth; Ming-Da MC84C-07; Blue Circle Audio SBH.
Millet hybrid ?
post #92 of 8065
Quote:
Originally Posted by Skylab View Post
Indeed!

From personal experience, the following amps work especially well with the 600 ohm Beyers, in no particular order: Audio-GD Phoenix; Darkvoice 337; Decware CSP-2; RSA Apache and Stealth; Ming-Da MC84C-07; Blue Circle Audio SBH.
That would make a good start to a beyer/amp database thread right there.

The more I listen to these 250Ω the more I hear the sibilance creeping in. And I think more bass would not be a bad thing after all. So I am definitely going for the 600Ω -- now just to get an amp!

One thing that's really frustrating is that I have absolutely no interest in DIY projects whatsoever -- I am into this hobby for music and the sound, not to become an electrical engineer. But a lot of the cool amps in a good price range seem to be DIY, so not wanting to deal with that reduces the options. So thanks for those suggestions, there is a lot to look into and narrowing it down at all really helps.
post #93 of 8065
Quote:
Originally Posted by userlander View Post
The more I listen to these 250Ω the more I hear the sibilance creeping in. And I think more bass would not be a bad thing after all. So I am definitely going for the 600Ω -- now just to get an amp!
What amp are you currently using to power your DT880/250?
post #94 of 8065
Quote:
Originally Posted by Donald North View Post
What amp are you currently using to power your DT880/250?
my portable! They don't sound too bad with this actually, although obviously they need more juice to reach any kind of actual potential. 600 ohms would probably just crap out though, which is why I want to have an amp here and ready to go before ordering them.
post #95 of 8065
Quote:
Originally Posted by userlander View Post
my portable! They don't sound too bad with this actually, although obviously they need more juice to reach any kind of actual potential. 600 ohms would probably just crap out though, which is why I want to have an amp here and ready to go before ordering them.
Do you know the output impedance of your portable?

In my experience, the DT880/250 sounds best when driven by an output impedance in the range 100-120 ohm. It brings up the bass and evens out the tonal balance nicely. If your amp has a low output impedance, you can experiment and add series resistors inline with the cable to increase the source impedance.
post #96 of 8065
We should start a thread that recommends amps for beyers since most headphones now don't go all the way up to 600 ohms. I for one am curious to find a SS that can power these beasts that won't break the bank.
post #97 of 8065
Quote:
Originally Posted by driftingbunnies View Post
I for one am curious to find a SS that can power these beasts that won't break the bank.
+1

I want to go SS, then compare with my LDMKIII. I don't want to get into tube-rolling and spend a ton of money to try and figure out if I like the sound differences.
post #98 of 8065
Quote:
Originally Posted by Justin Uthadude View Post
Millet hybrid ?
Dunno - never tried one.
post #99 of 8065
Quote:
Originally Posted by KTVU View Post
+1

I want to go SS, then compare with my LDMKIII. I don't want to get into tube-rolling and spend a ton of money to try and figure out if I like the sound differences.
x3 - I sense a trend! ;-)

I think I definitely want to go SS for the 600 Ohm. If they are even smoother than the 250s, it feels like tubes would cause them to lose some speed and clarity, make them more like senns. But otoh, with a couple of exceptions most people I've read here seem to like these with tubes, so I don't know. I guess there is always going to be that "what if" no matter which way you go.
post #100 of 8065
I think the idea of buying one of each and comparing is a good one. Then you can always sell the one you don't like. If you buy both amps used in the FS forums here, you can probably do this and be out nothing more than shipping costs.
post #101 of 8065
Not to take this thread too far off topic, but I have to say the Corda Swing is looking pretty good right now. Corda 3Move also looks interesting because of the built in DAC and portability, but I would tend to doubt it would have enough juice to drive the 600 Ohm Beyers - anyone care to comment on that?

Has anyone used the 600ohm with the Swing? Doing a search now, but if anyone has direct experience with that particular combo, please chime in with your impressions, preferably also with what DAC you're using.
post #102 of 8065
Quote:
Originally Posted by Donald North View Post
Do you know the output impedance of your portable?

In my experience, the DT880/250 sounds best when driven by an output impedance in the range 100-120 ohm. It brings up the bass and evens out the tonal balance nicely. If your amp has a low output impedance, you can experiment and add series resistors inline with the cable to increase the source impedance.
They are not designed for 120Ohm output impedance.
You may like how they sound with shifted FQ but this is not their intended by engineers sound.
More info:
Quote:
Originally Posted by saint.panda
Serial Resistance Adapters (e.g. 120 Ohm or 75 Ohm)
Certain headphones like the Beyerdynamic DT 831 or DT 660 benefit from the use of a serial 120 Ohm adapter39 that is put in-between the headphone plug and the headphone jack. While this reduces overall efficiency, which means the headphone becomes harder to drive, it can also “correct” unwanted deviations in the frequency response and make the sound more pleasant. Usually, you can foretell the effects of an added serial resistance by looking at a headphone’s impedance curve.
For sound quality, I recommend using the 120 Ohm with the Beyerdynamic DT 660, DT 831 and Ultrasone HFI 650 mainly to tame the brightness and add some more presence to the lower midrange. The Ultrasone, however, is an otherwise efficient portable headphone that will most likely require an amp after adding the 120 Ohm resistance.
One reason the Beyerdynamic headphones might benefit from a 120 Ohm adapter is because there used to be different standards for the output impedance of headphone amps. Nowadays, close to 0 Ohm is the standard but some receiver jacks still have an output impedance of 120 Ohms. Headphones like the DT 831 might have been designed with an amp’s output impedance of 120 Ohms in mind.
The Etymotic ER-4P benefits from a 75Ohm adapter or adapter cable and the ER-4S is in fact just an ER-4P with an internally added serial resistance of around 75 Ohm.
The technical background behind adding serial resistance to a headphone has to do with damping factor.
post #103 of 8065
You guys!

There's a chance (a high chance) that I may be buying a pair of DT880s in the near future! But I have a question! 32 Ohm or 250 Ohm!? I'm running it from an iPod Touch 2gen, but I don't go long between charges so 250 Ohm is still plausible! I'll be using these phones in public, more-or-less daily, but size isn't a problem! My question to you, is the sound quality of the 'phones much different!? And do the 880s offer decent isolation!?

This is an action-packed post, you guys, notice the ample exclamation marks! I have to (should probably) decide quickly! Before there's still time!

ZOUNDS!
post #104 of 8065
The DT880 offer basically NO isolation.
post #105 of 8065
Quote:
Originally Posted by Andrew_WOT View Post
They are not designed for 120Ohm output impedance.
You may like how they sound with shifted FQ but this is not their intended by engineers sound.
More info:
You do realize Beyerdynamic's own amplifier, the A1, has 100 ohm output impedance?

http://www.beyerdynamic-usa.com/en/consumer-products/products/headphones-amp.html?tx_sbproductdatabase_pi1[showUid][showUID]=1876&tx_sbproductdatabase_pi1[showUid][backPID]=108&cHash=b11daed01b
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