Rabbit
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Post by Rabbit on Apr 24, 2014 19:54:10 GMT
Another headphone that I enjoy a great deal is the DT250. The one I have is an 80 ohm version. There is also a 250 ohm one as well.
It is a smallish closed headphone with velour earpads that aren't quite over ear but it is quite comfortable.
I prefer the DT250 to the Senn HD25 actually since they sound pretty open for a closed headphone with quite a even balance from top to bottom. There is a slight hump in the bass but they are one of the better closed headphones that I've heard.
They are used by pro audio people sometimes and are a good workhorse. (Normally, they use the 250 ohm version which might be slightly flatter)
Detachable cable and although the assembly is mainly plastic, it's still a tough headphone.
It's one I always forget about since it's not an 'in yer face' flash headphone, but well balanced. It looks old fashioned but sounds great.
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Deleted
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Post by Deleted on Apr 25, 2014 10:13:17 GMT
I've been on the lookout on and off for a 250/250 for a couple of years now Ian. It's about the last headphone I would like to get. I really like the Beyer sound and build quality. I have the 990 and as you know still love my 150's. As you say the 250's are supposed to be a little flatter and more neutral than the Bassmonster 150's!
Jeff
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Rabbit
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Post by Rabbit on Apr 25, 2014 12:56:30 GMT
They are flatter than 150's Jeff. I really like them in the way that they don't feel too emphasised in any part of the spectrum. They seem very natural sounding with just a slight bass lift.
Sent from my ZTE Blade V using proboards
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solderdude
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Post by solderdude on Jul 13, 2014 11:17:05 GMT
Deepfunk paid me a visit and brought along his Beyerdynamic DT250-250 amongst a few other headphones. This is one of these affordable (€ 150.-) 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. More information about this headphone can be found here: Beyerdynamic DT250-250Highly recommended for studio usage and for critical listening at home with a real 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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Rabbit
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Post by Rabbit on Jul 16, 2014 6:53:41 GMT
I really like the Dt250 a lot. It has a very even sound for a closed headphone. Imo better than an old studio favourite, the dt150.
I am able to get the flaps of my ears just about inside the cups so I am actually able to wear them for quite long periods although my ears do get warm.
Sent from my GT-I9195 using proboards
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Deleted
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Post by Deleted on Aug 23, 2015 0:28:11 GMT
Well, I finally bought a pair of DT-250's, and I'm so glad I did. I actually noticed a 2nd hand pair on the Bay, being sold as "For parts or not working" but in the listing the seller stated they were 'functional', and 'sounded fine', but were cosmetically challenged, having no padded headband. The cable system had also been drastically changed to allow them to hang vertically in a vocal booth.
I snapped them up at a price which I am frankly too embarrassed to reveal. Lets just say I have bought more expensive rounds of drinks. I've been listening for a couple of days now, and feel I have got the measure of their sound. I have temporarily fitted the Beyer-copy padded headband from an old pair of Superlux HD-330's I had in my spares box. I'll buy a Beyer 7-pin plug, rewire the existing internal cabling to work again with the Beyer plug and fit a nice new custom-length cable.
BTW, there is a PCB fitted to the left capsule where the plug enters, to move the signal from the main cable to the l/h/s driver, and then over the headband to the r/h/s driver. There even appears to be a tiny SMD part on the PCB. I was quite surprised, as I don't see why a large PCB (with at least one component) is necessary? If anyone wants, I'll take a few shots and upload?
As they stand just now, they sound every bit as good as I'd hoped they would.
No, they are not fitted with electrostatics, orthos, planars, or any other exotic drivers. No, they are not open-backed. No, they do not cost hundreds and hundreds of pounds. No, they are not super-sexy, super-bling, super-hype, super-expensive.
Yes, they have bog-standard drivers. Yes, they are closed-backed. Yes, they are all black, plastic, ugly, have no bling, no-one hypes them up, and they are relatively inexpensive. Yes, they are tough as old boots. Yes, they are studio work-horses. Yes, they are closed-backed.
And yes, they sound absolutely brilliant.
One of the most balanced headphones (in standard form) I have ever heard, without requiring modding, E.Q.-ing, or filtering. Straight out of the box they sound neutral, with no frequency overpowering any other. A very satisfying listen. And a very under-rated headphone. Probably because they are not expensive enough for people to take seriously.
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rafa
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Post by rafa on Aug 23, 2015 13:18:02 GMT
BTW, there is a PCB fitted to the left capsule where the plug enters, to move the signal from the main cable to the l/h/s driver, and then over the headband to the r/h/s driver. There even appears to be a tiny SMD part on the PCB. I was quite surprised, as I don't see why a large PCB (with at least one component) is necessary? If anyone wants, I'll take a few shots and upload? Is it a dB limiter like Canford do?
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solderdude
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Post by solderdude on Aug 23, 2015 15:44:43 GMT
The PCB is there to connect a microphone to the cable connector. When there appears to be only one small component it is unlikely a dB limiter otherwsie 2 would have been present (one for each channel) My old beyer DT990 had 2 12V zener diodes in anti series to clip the voltage (effectively a dB limiter). These were removed as soon as I saw them. From forum.doctorhead.ru/index.php?showtopic=1970&st=25If you have a close up I may be able to see what it is all about.
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Deleted
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Post by Deleted on Aug 23, 2015 18:10:51 GMT
I see now that there actually is 2 SMD components, but I can assure you the cans are not limited. Not only do they not have limited marked on them but they go LOUD. BTW, the brown and white wires which appear to be connected to the SMD part are not actually connected, it's just the angle of the shots.
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solderdude
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Post by solderdude on Aug 23, 2015 18:28:10 GMT
Nice pics !
The parts are 0 Ohm resistors (marked 000 so are basically jumpers. They connect the 4 corner pads (for the microphone when installed) to the connector.
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Deleted
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Post by Deleted on Aug 28, 2015 16:15:07 GMT
Thanks Frans. Flushed with success at bagging a headphone I'd wanted for a while (and at silly money) and loving my vintage AKG K240 Sextett's, I fired up ebay to see if there were any AKG K340's going for reasonable money - say somewhere between £50-£100. Wrong! Nothing under £100 and most way above. link
linkI guess I'll just have to keep enjoying my DT-250's for a while and keep looking for a reasonably priced K340. PS - Chris and Gordon. Sorry, I've just now picked up your pm's. I'm at work just now but I'll deal with them when I get home tonight.
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solderdude
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Post by solderdude on Aug 28, 2015 17:03:31 GMT
The K340's are highly collectable. The DT250-250 is a flat 'workhorse' and because it does not have boosted bass nor treble it is isn't for the general public. It's only sold in music stores (as in instruments etc) and not in hifi stores.
With the K340 having electrets (they aren't eletrostats) it is one of very few hydrid 2 driver designs and thus sought after. Not as much for SQ but more for rarity.
The electrets slowly loose their charge so be carefull when buying !
There are more rare 2 way headphones around though like the Sennheiser HD230 but that had 2 dynamic drivers.
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Deleted
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Post by Deleted on Aug 28, 2015 17:29:35 GMT
There are more rare 2 way headphones around though like the Sennheiser HD230 but that had 2 dynamic drivers. Yes Frans, I've got my eye on those, or maybe some vintage AKG K270/280's which AFAIK also had a twin driver arrangement. Yes, I realise the K340's are far from neutral, but like the K240's and 270/280's I'm just in the mood to try out some of the more interesting designs from yesteryear. I originally bought my AKG K240 Sextett's for just this reason - the novelty value. I didn't think for one minute that they would be as astonishingly good as they are. They are a very warm and musical headphone. You put them on to listen to some music, and all of a sudden 3 hours have gone by! This to me makes them an exceptionally good headphone. I'm finding the same easy-to-listen-to-for-hours tone from the DT-250's
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Deleted
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Post by Deleted on Sept 1, 2015 4:53:06 GMT
I'm absolutely loving this headphone.
The saying about books and covers springs to mind here. Looking at this headphone, you would be forgiven for thinking you were about to hear a very cheap 'n' nasty set of cans. It's all black plastic, lightweight, and very un-sexy!! But put it on, feed it some good quality files and it's remarkable!
At low SPL's it sounds clear and articulate. Bass notes remain defined and separate, mids are clear and intelligible, and treble frequencies ring out crisp and pure.
And the really amazing thing - At high SPL's it sounds clear and articulate. Bass notes remain defined and separate, mids are clear and intelligible, and treble frequencies ring out crisp and pure.
Yes, it doesn't seem to matter how quiet or loud you play this can, whichever way, you get a a nice balanced output, whether you are whispering out some Erik Satie, or blasting out some Rage Against The Machine.
This headphone is incredibly under-rated, and incredibly good.
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Deleted
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Post by Deleted on Sept 2, 2015 22:47:12 GMT
Hi Frans,
you mention driver imbalance and state (in the DT250 article on the website) you think it could be caused by either "bad driver matching or a difference in air volume between left and right cup (didn’t investigate) because of the cable entry being present only on the left side." As you see in my pics, there is a large PCB in the left capsule. Could this be responsible for the difference in air volume? BTW, I certainly don't notice any audible differences thankfully.
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