▲ Audiometric version according to DIN 45 620
▲ For aural-acoustical analysis and measurements for ENT doctors, universities and research centres
▲ Hight-quality transducer elements, selected in pairs
▲ Maximum frequency deviation of +/- 1 dB
▲ Colour coded left/right designation
▲ Effective suppression of ambient noise
▲ Supra-aural rubber ear caps
▲ Straight open-ended cable fixed to the headphone
Transducer type Dynamic
Operating principle Closed
Weight without cable 400 g
Frequency response 16 - 20,000 Hz
Nominal impedance acc. to IEC 60268-7 5 Ω ± 10% per cartridge
Nominal SPL acc. to IEC 60268-7 110 dB SPL (500 Hz, 1 mW at 5 Ω)
Nominal THD acc. to IEC 60268-7 < 1%
Sound coupling to the ear Supra-aural
Ambient noise isolation 12 dB (A)
Average pressure on ear acc. to IEC 60268-7 5 N
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