Pure-tone audiometry is the most commonly used test to measure auditory sensitivity. Pure-tone signals are delivered to the ear via air conduction and bone conduction at a variety of frequencies. TDH-39 headphone is the desired trancducer for air conduction pathway.
TDH-39P replacement capsule for TDH39 headphones. Original spare part from Telephonics.
Resistor 10 Ohm
Frequency range 100 Hz to 8000 Hz.
Sensitivity: 108 dB + 4dB (Reference: 0dB = 20 µPA)
Distortion: less than 1%. RoHS Compliant
Currently, the training video of this product has not been produced
Pejvak Ava Company was established in 1376 with the aim of researching, designing and producing audiometric equipment. The dynamism in research and development and the use of creativity in design and possessing high technical knowledge have caused the exclusiveness of this company’s activity in Iran; So that after receiving numerous innovation certificates from the Scientific and Industrial Research Organization of Iran, from the Ministry of Industry, Mining and Trade, as well as the Presidential Vice President for Science and Technology, this company was recognized as a “High Tech knowledge-based company in the field of audiometry”.
Address: Unit 202, Shahrokh Building, Shahrokh alley, Africa St, Tehran, Iran
P.O. Box: 19395-7311