Sennheiser HDA 200 Manual 

Closed dynamic headphones designed for extended high frequency testing. Features ♦ Excellent passive attenuation (based on Peltor TM Ear Defenders) ♦ Very high quality sound reproduction ♦ Convenient single sided cable ♦ Padded headband and additional adjustable/removable cushions for increased comfort ♦ Soft, replaceable circumaural ear pads ♦ Color coded ear cups, right (red) left (blue) Technical Data Frequency response < 20 to > 20,000 Hz PTB calibrated see table Transducer principle dynamic, closed Nominal impedance 40 Ohm Characterisitic SPL 100 dB at 1 kHz, 1 mW Max permanent load 500 mW Coupling circumaural Caliper pressure 10 N Weight (with cable) 330 g Cable approx. 3 m, single-sided, open-ended Connection yellow + L black – L red + R white – R Standard SPL Passive Maximum SPL frequencies (dB 20µPa) attenuation (<10 min. @ (Hz) @ .5 Vrms (dB) 5 V RMS) Sennheiser Electronic Corporation One Enterprise Drive PO Box 987, Old Lyme, CT 06371 Tel: 860-434-9190 Fax: 860-434-1759 Web site: www.sennheiserusa.com HDA200 is PTB approved. Physikalisch-Technische Bundesanstalt, Braunschweig, Germany. PTB is equivalent to the National Bureau of Standards. 125 112.5 14.3 132 ± 3 250 113.0 15.9 132 ± 3 500 112.0 22.5 132 ± 3 750 111.0 - 131 ± 3 1,000 108.5 28.6 129 ± 3 2,000 104.0 - 124 ± 3 3,000 104.0 32.0 124 ± 3 4,000 104.0 45.7 124 ± 3 5,000 106.5 - 127 ± 3 6,000 107.5 - 125 ± 3 8,000 105.5 43.8 125 ± 5 9,000 105.0 - 123 ± 5 10,000 102.5 - 122 ± 5 11,200 102.0 - 123 ± 5 12,500 103.0 - 118 ± 5 14,000 98.5 - 119 ± 5 16,000 100.0 - 120 ± 5 • All measurements are done on a calibrated coupler B&K 4153 (artificial ear) with the standard cone YJ0304 above the adapter plate, type DB 0843. • The pressure of the headband shall be 10N ± 1N. • The RMS input voltage to the headphone is 0.5 V. • The measurements are done with steady state sine wave signals. • The output impedance of the signal source shall be <1 Ohm. • Climatic conditions: Temperature T=20º C Humidity H=50%rel Atmospheric pressure P=approx. 100kPa All data are influenced by temperature, humidity and static pressure. HDA 200 Frequency Response Test Conditions