CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

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Author Topic: Beyerdynamic DT250 - 250 Ohm  (Read 4813 times)

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Solderdude

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Beyerdynamic DT250 - 250 Ohm
« on: July 14, 2014, 07:20:55 PM »


The Beyerdynamic DT250 is a headphone intended for professional usage.
It has soft and comfortable velours earpads and if it weren’t for the clamping force, which is higher than for ‘hifi’ headphones, it could be worn for long listening sessions.
Very lightweight headphone as well.
The headphone is fully closed and provides excellent isolation from outside noises.
The sound is VERY neutral and accurate though lacks a certain finesse compared to the top-end headphones.
Those looking for a reference quality headphone that exactly shows what’s in the recording these headphones will do very well.
This is one of these affordable ($ 200.-) headphones that is worth owning if you like a realistic sound and are on a budget and only need/want one headphone.

The frequency plot below shows some driver imbalance.
Otherwise a great looking and neutral frequency response that is ‘flat’ from 10Hz to 18kHz +/-3dB (assuming the measurement rig is accurate in an absolute sense).
The DT250-250 sure sounds the way it measures as well. Very neutral with a just very slightly less refined top end for critical hifi listening.



The CSD of the DT250-250 is quite good and shows no deal breaking resonances above 1.5kHz.



Highly recommended for studio usage and for critical listening at home with a realistic (on better recordings), neutral sound.
An amplifier is certainly recommended as it is rather high impedance.
Negatives are the rather high clamping force (for long term listening) and the ever so slightly less refined upper end treble.
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Hands

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #1 on: July 15, 2014, 03:52:50 AM »
Looks pretty darn good. Thanks!
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donunus

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #2 on: July 15, 2014, 04:09:55 AM »
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Marvey

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #3 on: July 15, 2014, 06:17:46 AM »
Haha. Finally! Not bad at all.
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stratocaster

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #4 on: August 07, 2014, 12:46:13 PM »
Before I set up my measurement rig I did the modding just by ear and had to ask others to measure my headphones. Now, with a rig available, modding is that much easier and more effective.

Frans (Solderdude) had kindly agreed to measure my Beyerdynamic DT 250/250 in Karelian Birch:


He commented as follows:
"Tonally closest to my own reference. Very vivid and dynamic sounding. Perfectly balanced sound. Bass is on the lean side and you hear it ‘drawing’ to the left. Not as refined sounding as the orthos and my own reference but somewhat more ‘forward’ with some slight graininess to it. Tight bass, toms and ‘clatter’ are very present which makes it open and vivid sounding I guess. Extends to both ends of the spectrum. This helps in making a headphone sound realistic, and that’s what it does. Not suited for bass heads.
The right channel is having slightly too little lows, the left channel somewhat too much. This may be due to too much damping on the right side or could be a driver issue. The frequency range itself is quite impressive and extends to both sides of the spectrum."

This is how things are now: I have turned them into open headphones, using HFM Focus pads that I had to mod a little to be able to use them without the HFM mounting construction. I tried to get the channel imbalance under better control while achievin as neutral a FR as possible. Both drivers required substantially different damping.



And this is  how they measure now:









« Last Edit: August 07, 2014, 01:42:41 PM by stratocaster »
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Deep Funk

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #5 on: August 07, 2014, 01:35:23 PM »
That is very impressive  :)p4
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Hands

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #6 on: August 07, 2014, 02:58:10 PM »
Wow, I'd love to hear those!
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spoony

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #7 on: August 07, 2014, 05:34:32 PM »
Very nice!, are those measured with ear-mounted microphones?
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stratocaster

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #8 on: August 07, 2014, 06:07:03 PM »
No, I have built myself a measurement rig very much like Solderdude's.  The mic is mounted in/on a flat, non-reflective coupler. That way I do not have to fiddle around with inserting/removing the mic all the time.  I mount the headphones on the rig, measure it without mods, try different approaches and instantly see what they are doing to the FR.
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Deep Funk

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Re: Beyerdynamic DT250 - 250 Ohm
« Reply #9 on: September 04, 2014, 11:01:35 PM »
Right now I am listening some Pantera. Before I listened to Iron Maiden. For me the DT250-250 adds a more warmth, low end and a more closed sound compared to the open K500.

With Iron Maiden I prefer the K500. With more modern, thus post 1990 music I find the DT250 more suitable. Despite that the DT250-250 is like Don described. A great all-round headphone that sounds just right and balanced enough.
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