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Posts by xnor

If you've got a good player then an amp will only be needed to increase volume. People will tell you that it's not about volume and instead tell you something very vague about "synergy" and "driving headphones properly", but they never seem to have done even one proper level matched comparison. They balance levels roughly by ear, which is almost a guarantee that it won't be matched closely and so the amp will sound differently - usually better, even if it is technically...
I would never put that amount of money into any kind of cable. You don't need to go fancy (or expensive) to get the highest sound quality, as long as you have the right cables. For speaker cables the gauge is obviously very important. For long cable runs, especially with mics or guitars at the end, balanced cables are the way to go to reduce interferences.Some headphone cables are overly thin, so again a question of the right gauge. Switching to different materials, like...
From a technical point of view it can be argued that 24/96 > 24/188.2 or higher > DSD   See whitepapers by Lavry, Benchmark as well as the article on 24/192 on xiph.org. There's more but that's a good starting point.     ^ You can play any kind of audio file at any format even on a 16/44.1 DAC. Just need to convert (on the fly).
Have you put in the batteries? Maybe they're dead?     I doubt the transformer would work. It will probably just make things even quieter.
All USB headphones have to have a DAC and amplifier. It can be built into the headphones or be in a small adapter at the end of the USB cable (USB headsets often ship with a little adapter that has headphone-out and mic-in, so there even is an ADC).
Easiest and fairly accurate way is to use a sound level meter. Use a piece of cardboard or a CD to create a seal between the pads and the meter. If you have a smart phone there might even be an app for it (probably not as accurate as a calibrated sound level meter though).   You can also calculate sound pressure but you'd have to know the output level of your sound card.
What does buko mean, or is it a typo? Using a similar method (compare the sound of calibrated speakers in a well-treated room with the sound of headphones, ideally in a blind-test fashion) they should arrive at a similar curve. I don't know about Phillips but for example I know from PSB that they do/did research at the National Research Council (NRC) with similar results compared to Harman. If Phillips or other companies published their research like Harman did and does,...
That's indeed a nice way to check accuracy. My phone is off by only about 2 μT. (46 - 50 μT and according to wikipedia the magnet field here should be about 48 μT). The problem is that with headphones nearby, the measured value fluctuates by a couple of μT over a few seconds regardless of music, and that the sensor wouldn't be fast enough anyway to detect changes at the rate of several (hundred) Hz.I've tried playing-stopping-playing.. music, but the fluctuations are so...
I just checked with an LG G2 an on-ear headphone with a small 30mm driver (PX100 like construction) and with 2cm distance from the driver it registered 1.4 mT.   Need some kind of fixture because tiny movements will result in the measured value jumping all over the place.
 Not sure how accurate those sensors are, but valuable data nevertheless. Thanks! So roughly 1 mT.Beyer T1 or those planar magnetics are probably a lot stronger.  The real question remains though: do these static fields have any effect on our brains?And do the fields change when music is playing?
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