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