The AKG K-240DF are extremely accurate, clear and detailed. Perfect for all kinds of music, especially when one wants to be able to distinguish every single detail of each instrument. I also use them in combination with a Pioneer DV-717 DVD player and the Sennheiser Lucas and they create a very convincing surround sound. Since they are rated at 600 ohms they need some extra power and therefore a headphone amplifier can be useful. They are also very comfortable and in contrast to most other headphones these days they are build to last for many years. Excellent performance, design and durability.

True to the original sound source, excellent natural bass and highs and an open spacious sound highly recommended for professional studio monitoring.

None

Most everyday listeners that reviewed these professional headphones fail to realize that these headphones are for professional recording use and are made to reproduce natural sound, so in all these headphones are excellent because of the natural sound, you get true to the original sound without the added bass or highs, so what you are hearing is the true sound, so I give these headphones a 5 star.

Clarity, comfortability, honesty

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I bought these a few years before I graduated high school (1981). So these are pretty old. I got them based upon the recommendation of a friend's dad who was an engineer and extremely thorough audio enthusiast.

Anyway, I used them for years for regular listening. Laying down on my bed and listening to Steely Dan, Zappa, Mahavishnu, anything electronic, was pure heaven.

But about 15 years ago I got into audio recording and have gone from 4 track stuff to multi track digital. I've used the k240's the whole time. I use them in my current home studio, which includes a Roland electronic drum set that I play _every_ day. The headphones can be worn for hours and still sound great.

I bought replacement leather pads for the ears from AKG recently. After 20 years that’s the only thing that's fallen apart.

BTW, I just bought a pair of the 240DF's today. I'm listening to the newest Stereolab CD right now! But I'll wait until I've used them at home with the drums before I can see if the extra 60 bucks over the price of the 240M is worth it.

BTW, the 240DF's are not meant to necessarily sound better than the 240M's. Just more accurate - which is a concern when you are responsible for engineering audio.

My regular home stereo speakers sound much better than my dedicated biamped studio monitor speakers. But sounds are exaggerated which makes it tough to monitor with regular speakers. Monitors are meant to be flat sounding, non fatiguing (aka boring). I'll have to see how the 240DF's stack up.

But 99$ is definately worth it for the 240M's. They're amazing!

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many others, especially other akg units

accurate response

bass output(if your into exaggerated bass)

These headphones have an accurate sound to them,bad thing if you like loud pounding bass in your ear,good thing if you like to hear the original recording as it was meant to be. You will really hear the difference from one recording to the next. Even though they look bulky, they feel light and comfortable.A true classic......enough said.

Lasts forever! Mine are nearly 20 years old. Very Comfortable even after 8 hours. Great flat response.

You're kidding, right?

I purchased my AKG K240 headphones in 1984. There was no letter designation at that time, but mine resemble the "M" version in appearence.

I used in these as a proffesional recording engineer for most of the 1980's and found them to be ideal for monitoring an unclored mix. The isolation is so complete that they make great headphones for live situations, letting you concentrate on the sounds being recorded and not the bleed from outside the cans.

Extremely comfortable even after 8 solid hours and little or no ear fatigue after all that time.

These are built like a tank. I've dropped these in the rain, had folks step on them. Had someone put a Mesa Boogie on them once. And of course they've been dropped down stairs. Still perform like new. The only thing is that one of the cosmetic gold rings on the outside is loose, but you never notice it unless you spin it with your fingers. Doesn't effect the comfort or the sound.

decent sound

not well built, read below

I use my headphones for studio work and rarely listen to stereo systems. I've been through three pairs, which have
all died. The left channel would distort because I had to
set the faders so high to obtain the sound levels I needed.
This occurred with different mixing boards and setups. On the few occasions I used them with standard home stereo systems, they performed well with no distortion. Two of the units had their left driver die, and the other just fell apart physically. I've been useing Sony MDR-7506 which I now
prefer in both sound and comfort to the AKGS.

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sony MDR 7506

I purchased these headphones a year ago and I highly recommend these to anyone looking for a pair of cans that are very detailed and accurate.You can concentrate on each instrument and it'll sound very clear and uncolored. A few flaws would be that it lacks somewhat in the deep bass spectrum and that it takes more power to drive them because they are rated at 600 ohms. They do tend to not be able to take too much power or they will distort a bit, but I guess by then,the music's too loud already and it's kind of a check to make sure you don't loss your hearing.The sound is very natural and transparent.It is versatile for most types of music except maybe rap with a lot of bass.They are also comfortable too with its large earpiece that goes around the ears instead of on them.For under $100, they are very good for the price.

My original K240 headphones started leaking black soot from aging acoustic material in the cups. Amazingly, after 23 years, I found that AKG still makes the same model and I bought a new pair. There are slight differences, for example a thin foam pad over the driver grill which seems to attenuate the high frequencies a bit, but otherwise the same very natural, detailed sound that the original had. They are just as comfortable too.

While the 240-M version is the "studio standard", the 240-DF version is far and away my choice. The M version is mid-rangey, even honky. The Df version mostly eliminates this and sounds LOTS like a great pair of speakers in a good room. I suggest you pay the extra $20-30 for the DFs.

Durable

Not very Musical

I didn't care for them when listening to my music. I felt they lack something in the mid range, and the highs sound horrible. They are now used on my computer for video games.

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Grado