Difference between revisions of "Sennheiser HDA300 specifications"

Revision as of 13:33, 21 November 2023

The HDA 300 is a pair of closed dynamic headphones designed for use with audiometers.

Specification	Value
Connector	2 Mono-Jacks; Green: -L, yellow: +L, red: +R, blue: -R
Frequency response (Headphones)	20 Hz - 20,000 Hz
Characteristic SPL	117dB at 1kHz, 0.5V
Contact pressure	8.8N ± 0.5N
Ear coupling	circumaural
Connection cable	approx. 2.2m
Transducer principle	dynamic, closed
Weight	incl. cable: 490 g
Nominal impedance	23 Ohm
Load rating	500 mW
Max. Input voltage	3.5 V, < 10 min

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 ==Description==
-The HDA 300 is a pair of closed dynamic headphones designed for use with audiometers. It is used in aural-acoustical analysis and measurements for ENT doctors, educational facilities and research & health centers. The HDA 300 sound profile is based on the well known HDA 200 audiometric reference headphones, which is the standard for high frequency measurements in Audiometry since over 20 years, combined and enriched by the latest standards in terms of materials and design.
+The HDA 300 is a pair of closed dynamic headphones designed for use with audiometers.
 *High passive ambient noise attenuation
 *Equipped with two mono plugs