Sennheiser Tourguide Wireless Transmitter SR 2020 D User Manual download pdf (Page 28)

Specifications

SR 2020 D transmitter

Modulation 2 FSK

RF frequency range 863 – 865 MHz

RF frequency range (US) 926 – 928 MHz

Channels 6 for the Tourguide system,

switchable to 8 for conferences

RF output power 10 mW (ERP)

RF output power (US) max. 50 mV/m (distance 3 m)

AF frequency response 100 Hz–7 kHz

Input voltage range of the audio input Microphone: 1.6 mV

rms

–100 mV

rms

Line: 120 mV

rms

–2 V

rms

Headphone output ¼’’ (6.3 mm) jack socket

Output power at headphone output max. 100 mW at 32 Ω

Power supply 12 V DC (10.5 V–16 V)

Current consumption at nominal voltage max. 300 mA

Ambient temperature 0 °C to 50 °C

Humidity

≤ 95 %

Dimensions approx. 212 x 145 x 38 mm

Weight approx. 1100 g

NT 2-1-EU/UK mains unit (Cat. No. 087244/087245)

Nominal input voltage 230V AC

Mains frequency 50 Hz/60 Hz

Max. power consumption 9 W

Nominal output voltage 13V DC

Nominal output current 300 mA

Operating temperature range 0 °C to +40 °C

NT 2-1-US mains unit (Cat. No. 087246)

Nominal input voltage 120V AC

Mains frequency 60 Hz

Max. power consumption 9 W

Nominal output voltage 13V DC

Nominal output current 300 mA

Operating temperature range 0°C to +40°C

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Sennheiser Tourguide Wireless Transmitter SR 2020 D User Manual Page 28