Sunday, May 22, 2011

Technical parameters of the headset (I)

To consider every aspect, the monster beats by dre headphones is a very nice speakers. it is professional. well, to know a headphones comprehensive, you should know the parameters of a speaker.

Technical parameters inside the headset is extremely important, however it may nicely be misleading, the parameters may nicely not be relatively great seem great headphones, the seem parameters of flat is not bad headphones.

Impedance:

Impedance of headphones may be the abbreviation of its impedance, which may be the dimension coil DC resistance and inductance inside the coil, and: Z equals (R2 + ω2L2) one / 2.

Civil impedance headphones and specialized headsets are typically much less inside the 100Ω, 200Ω impedance headphones some much more professional, this really is in reality a energy amplifier so which you can market much much more than just headphone amplifier once the fill decreases. generate higher impedance headphones need much more power.

Sensitivity:

Usually referred using the sensitivity inside the headset the headset is in reality the sensitivity level, it is 1mW imposed inside the electric powered energy inside the headset, the headset designed by coupling inside the artificial ear (fake poll) inside the seem stress level, 1mW of energy is dependent inside the volume 1000Hz once the headset is dependent on calculation of conventional impedance. Sensitivity inside the product is dB / mW, one other is not typically employed dB / Vrms, the voltage utilized using the headphones 1Vrms produced seem stress level. higher sensitivity shows the fact that energy required to accomplish a specific seem stress level is smaller, the sensitivity inside the headset is now switching coil in 90dB/mW much more generally, once the election using the Walkman headphones, probably the most effective sensitivity of about or higher in 100dB/mW .

1W speaker sensitivity may be the input energy produced inside the seem stress level at one m, comparable using the sensitivity inside the headphones and speakers, headphones speakers required to energy the equivalent of one / 1000, in fact, this amount is small, using the reason that few of somebody to listen to some range of one meter speaker

Distortion:

Headphones distortion is typically tiny once the optimum energy to bear the complete harmonic distortion (THD) is much under or identical to 1%, the essential is not heard, the much more multi-speaker distortion.

bose in ear headphones

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