Amplifier Ear
What limits the frequency response of human hearing?
Frequency response of audio amplifier is limited by its reactance circuit .. that causes very low frequencies and very high frequencies that can not pass through the amplifier .. but why the human ear can hear frequencies very high?
To answer why the human ear can not hear very high frequencies, you must first know how the ear hears. http://www.ehow.com/how-does_4574056_the-ear-hear.html psychological, social and emotional difficulties, and significant reductions in mental and physical functioning are known to be associated with advanced levels of the hearing loss in older people, but the main physical reasons are the aging of the auditory system, like the rest of the body loses its youthful Resiliance. For example, in the middle ear, a reduction in flexibility and ease of vibration of the three bones – the hammer, anvil and stapes (hammer, anvil and stirrup) – That are connected to the tympanic membrane in series. There is no absolute rate of hearing loss. In 79, the hearing extends beyond 10 kHz (except for a couple of holes which occurred about 21 years because of three combat tours in Korea) ..
Spy Ear ispy-007 Sound Amplifier from dx
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Detect Ear Professional Listening Device – DET EAR by KJB $389.99 Listen to sounds up to 300 yards away with the pinpoint accuracy of the Detect Ear. The Detect Ear provides high performance with the most advanced audio circuitry and a 20″ snap together parabolic dish…. |
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