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Posted 20 hours ago

Sony MDR1AM2 Wired High Resolution Audio Overhead Headphones, Black (MDR-1AM2/B)

£9.9£99Clearance
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I'd say it's a very good looking response for those looking for a v-shaped signature. Nice bass extension while the treble not looking too crazy. Midrange is pretty much spot-on. Dip at 4kHz is shown with a lot of my measurements on other headphones - I think it's just the compensation file that makes it show this. Meanwhile, the Sony offers a similar level of emphasis, but comes across as sounding brighter. This brightness, combined with the intense, dark lows, gives way to a fun and emotive sound that doesn’t skimp out on energy, either. Any movement of the cable will carry through to the cans, interfering with the sound quality. So if you are working at your computer and have to move your head, even a centimeter, you will hear it. The frequency response in RAA is obtained through the reproduction and analysis of a special noise signal with the subsequent generation of an impulse response. The frequency response plot is constructed from the spectrum of the impulse response.During the measurements, a special amplifier was used with zero total output impedance over the entire frequency range, which required /amp_comp.php>no compensation for the amplitude response F.A.Q.. The microphone is calibrated to 45 kHz F.A.Q. with an appropriate frequency response correction. It seems to be very well tuned for its intended market: the average consumer who most likely would want a v-shaped sound. This may be a hard sell with the MDR-1000XM3 going for just a bit more at MSRP if we're talking from a consumer's point of view.

From the impulse response, most of the parameters under study are calculated: frequency response, phase-frequency response, group delay, waterfall, step response and square wave. The impulse response is visually not informative and for obtaining the majority of characteristics a fast Fourier transform and other mathematical algorithms with the analysis of the total pulse length are used. The total pulse length is about 5 seconds, while only the beginning of a pulse of 2-4 milliseconds is visually visible. Vertically, the visual detail does not exceed 40-45 dB. I love how Sony includes both sets of cables, allowing for flexibility between sources. The pouch contains a separate compartment to store the 2 different cables which is good thinking on Sony’s part.

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Build is pretty utilitarian. The housing is made of plastic, the headband and earcups are made of synthetic leather. Despite the simple choice of materials, they look very well put together. There are a few details that stand out: The hinge that connects the headphone to the headband doesn't squeak when you rotate it. Sony mentioned this in the product literature cuz a lot of users complained about this detail in the 1A. The headband extension mechanism also feels smooth and quiet when you extend/contract it. Very nice attention to detail. Overall, plain but by no means flimsy. The waveform of the impulse response depends on the Sony MDR-1AM2 frequency response and the damped resonances and reverberations and the reverberation in the stand chamber. The visual clarity of the parameters on the impulse response is very low. Visual determination of quality by impulse response was actual in "pre-computer" years. The impulse response is displayed as is, without compensation of the frequency response for the microphone or smoothing. It is RAW data. The reduction in the frequency response of the microphone starts at 20 kHz .

Compared to the previous version the bass has been tamed significantly, but it's still way above what it should be.Ears also tend to get hot after listening to it for prolonged periods of time. For the MSRP they ask on it, I really expected a lot more have to be honest. And that depth on the Sony MDR-1AM2 constitutes most of it’s soundstage. There’s a characteristic separation of vocals from surrounding instrumentation. However, the soundstage still seems a bit cramped for instruments. The result is a deeper but narrower listening experience. The sensitivity of the headphones F.A.Q. is determined by the amplitude-frequency response curve F.A.Q. with the specified sound pressure dB SPL of 1 V RMS. For 0 dB, 20 μPa is assumed.

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