Sennheiser Communications Set 820 S Instrucciones De Uso página 46

Set 820 S_511981_0106_Sp7.book Seite 20 Freitag, 9. Januar 2009 8:23 08
Charging time (spare battery)
Power supply
Weight
Dimensions
Receiver
AF frequency response
S/N ratio
Power supply
Operating time
Weight
Dimensions
Output voltage
Induction loop
AF frequency response
Impedance
Magnetic field strength
at the hearing aid
Guarantee
20
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approx. 10-12 h
12 V DC via NT 820 mains unit
approx. 94 g (without battery)
diameter: 150 mm, height: 47 mm
40 Hz ....... 15 kHz
60 dB A rms
2.4 V via BA 151 battery
approx. 4 hours per battery
approx. 35 g (without battery)
length: 95 mm, width: 63 mm, height: 35 mm
max. 700 mV at 32 Ω
300 ....... 10,000 Hz
47 Ω
100 mA/m at 1 kHz and 10 mVA
2 years