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Beyer Dynamic T 90
9.5 out of 10

Beyer Dynamic T 90

The T 90 is the first high-end headphones with a completely open Read more

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Transmission type
Headphone design (operating principle)
Headphone impedance Also known as nominal impedance. The impedance is the AC resistance of the coils of loudspeakers and headphones in ohms. Since impedance depends on the frequency, it is always specified at a frequency of one kilohertz.
250 ohms
Headphone frequency response The frequency response specifies the highest and lowest frequencies reproduced by the acoustic transducer of the headphones.
5 - 40,000 Hz
Construction Sound coupling to the ear. A differentiation is made between supraaural headphones, circumaural headphones and in-ear headphones.
Circumaural (around the ear)
Cable & plug
Gold vaporised mini stereo jack plug (3.5 mm) & 1/4" adaptor (6.35 mm)
Nominal sound pressure level The acoustical level, the headphone transducer produces to an artificial ear (a measurement device, which simulates a human ear) with an input power of 1 mW (dB/mW @ 500 Hz).
102 dB (1 mW / 500 Hz)
Net weight without packaging
425 g
Release Date
First seen
28 April 2012