![]() ![]() With the GTR, the traditional debate between absolutism and relationalism has been shifted to whether or not spacetime is a substance, since the GTR largely rules out the existence of, e.g., absolute positions. It was revived and reformulated in the modern context by John3 (a short form for the "three Johns": John Earman, John Stachel, and John Norton). The hole argument was invented for different purposes by Albert Einstein late in 1913 as part of his quest for the general theory of relativity (GTR). The hole argument Įarman has notably contributed to debate about the " hole argument". He is a member of the Archive Board of the Phil-Sci Archive. He remained at Pittsburgh for the rest of his career.Įarman is a former president of the Philosophy of Science Association and a fellow of the American Academy of Arts and Sciences, and of the American Association for the Advancement of Sciences. After holding professorships at UCLA, the Rockefeller University, and the University of Minnesota, he joined the faculty of the History and Philosophy of Science department of the University of Pittsburgh in 1985. Earman received his PhD at Princeton University in 1968 with a dissertation on temporal asymmetry (titled Some Aspects of Temporal Asymmetry) and it was directed by Carl Gustav Hempel and Paul Benacerraf. He has also taught at the University of California, Los Angeles, Rockefeller University, and the University of Minnesota, and was president of the Philosophy of Science Association. ![]() ![]() He is an emeritus professor in the History and Philosophy of Science department at the University of Pittsburgh. Only use an adequately safety approved USB power adapter.John Earman (born 1942) is an American philosopher of physics. When charging via a wall outlet, use a USB power adapter (not included in the product set) 5V/1A - 2A. Download the Firmware update files here.Download the EarMen Angel User Manual here.Headphone Fully Balanced output with Gain+ You can also choose whether to use Single End or Fully Balanced output. The line out option with outstanding features gives you the ability to use Angel as a Pre Amp for your home system. Whatever you choose, Angel will automatically recognize your selected output. You have the option of a 3.5mm single end output as well as a balanced 4.4m output. This option gives you the ability to adjust the volume to a more precise level, allowing Angel to be used with all types of sensitive and insensitive headphones.Īngel gives you a choice of headphone outputs to use the ones you love the most. Separate DATA and USB charging ports allow the device to run continuously if it is on the charger, and so you can use it all day in your system.īy switching to Gain + mode, you will get more power, volume and dynamics of sound. You do not have to worry about battery consumption, as the charging time is less than 3 hours. Visit mqa.co.uk for more information.ĮarMen Angel has a two-cell battery 2x3000mAh which will give you the opportunity for many hours of listening to music. The master MQA file is fully authenticated and is small enough to stream or download. MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording. Once you hear the sound, you will desire nothing but this device. The device has a linear power supply with ultra low noise which helps to deliver even clearer sound. The dynamic range of 120dB is amazing, so the music you listen to becomes realistic, as if you are listening live. The device is designed so that in the path of audio signal sound, there are no additional capacitors and other components that would introduce distortion, so the sound itself is fascinating. There are no changes in the audio signal itself except for amplification, so the sound from the DAC is original. Fly music with EarMen Angel!ĮarMen Angel uses ESS DAC ES9038Q2M which has great SNR and THD + N characteristics compared to its competitors, along with the newest XMOS USB receiver which is capable of decoding up to 768kHz/32 bit PCM, DSD256 via DoP and MQA Studio.Everything you ever need!ĮarMen Angle is a fully balanced device whose balanced signal goes intact from the DAC all the way to the headphone output. EarMen Angel will provide outstanding performance and we are sure you will enjoy it. You will be able to enjoy a plenty of power without worrying about consumption, since it is equipped with 2-cell battery. It is a very powerful audio device with which you will be able to listen to Hi-Res music on to go. EarMen Angel is Portable Fully Balanced Hi-Res DAC/ Headphone Amplifier with the Pre Out option. ![]()
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