Sennheiser SR 2020-D User Manual
Page 124

56
Specifications
HDE 2020 D stethoset receiver (Cat. No. 500543)
HDE 2020 D-US stethoset receiver (Cat. No. 500544)
EK 2020 D receiver (Cat. No. 502035)
EK 2020 D-US receiver (Cat. No. 502036)
EZL 2020-20 L charging case (Cat. No. 500542)
HDE 2020 D
EK 2020 D
Modulation
2 FSK
2 FSK
Frequency range
863–865 MHz
863–865 MHz
Frequency range (US)
926–928 MHz
926–928 MHz
Channels
6
6
AF frequency response
100–7,000 Hz
100–7,000 Hz
Headphone output power
–
max. 10 mW/ 32
Ω
Min. headphone impedance
32
Ω
32
Ω
THD at 1 kHz
< 1%
< 1%
Operating time
typ. 8 hrs
typ. 16 hrs
Power supply
Lithium-Polymer
rechargeable battery,
830 mAh
Lithium-polymer
rechargeable battery,
1500 mAh
Ambient temperature
0–50°C
0–50°C
Dimensions approx.
245 x 125 x 20 mm
975 x 604 x 243 mm
Weight
approx. 70 g
approx. 75 g
Ambient temperature during charging
0–40°C
Mains voltage
100–240 VAC (50/60 Hz)
Primary power consumption
max. 70 W
Charging voltage for HDE 2020 D
typ. 5 V
Charging current per charging
compartment for HDE 2020 D
typ. 400 mA
Charging time HDE 2020 D
approx. 2.5 hrs
Charging time EK 2020 D
approx. 5 hrs
Charging voltage for SK 2020 / BA 2015
max. 3.4 V
Charging current per charging
compartment for SK 2020 / BA 2015
typ. 500 mA
Charging time SK 2020 / BA 2015
approx. 3.5 hrs
Dimensions
approx. 600 x 270 x 380 mm
Weight (empty)
approx. 8.3 kg
Tourguide2020_516509_0909_Sp6.book Seite 56 Montag, 22. März 2010 1:12 13