Instructions for Use
Page 14
..., as a personal sound amplifier for use as an additional receiver for connecting a Sennheiser headphone or an induction coupler. It can also be used as a personal sound amplifier. It is especially suitable for the Set 250 infra-red mono transmission system. The RI 250-S has an audio output for the IS 500 infrared stereo transmission system...
..., as a personal sound amplifier for use as an additional receiver for connecting a Sennheiser headphone or an induction coupler. It can also be used as a personal sound amplifier. It is especially suitable for the Set 250 infra-red mono transmission system. The RI 250-S has an audio output for the IS 500 infrared stereo transmission system...
Instructions for Use
Page 20
... is received (carrier frequency 2.8 MHz). This mono signal is supplied to both headphone systems. P With the switch set to position "I", only the signal from channel 2 is supplied to both headphone systems. Please ...
... is received (carrier frequency 2.8 MHz). This mono signal is supplied to both headphone systems. P With the switch set to position "I", only the signal from channel 2 is supplied to both headphone systems. Please ...
Instructions for Use
Page 22
...one accupack approx. 6 h approx. 5 h Weight with / without accupack 45 g / 35 g 45 g / 35 g Max. Technical Data 302 RI 250 (all variants) RI 500 / HDI Modulation FM, mono FM, stereo Carrier frequencies 2.3 MHz 2.3 MHz / 2.8 MHz AF frequency response 18-18,000 Hz 18-18,000 Hz THD < 1 % < 1 ... level 130 dBA 130 dBA / 126 dBA Special technical Data Audio output on the RI 250-S and Induction loop output on the RI 250-J 750 mV / 32 Ω SENNHEISER TECHNOLOGY AND SENNHEISER SERVICE ARE FUTURE-ORIENTED Even after many years to come. You can buy replacements for...
...one accupack approx. 6 h approx. 5 h Weight with / without accupack 45 g / 35 g 45 g / 35 g Max. Technical Data 302 RI 250 (all variants) RI 500 / HDI Modulation FM, mono FM, stereo Carrier frequencies 2.3 MHz 2.3 MHz / 2.8 MHz AF frequency response 18-18,000 Hz 18-18,000 Hz THD < 1 % < 1 ... level 130 dBA 130 dBA / 126 dBA Special technical Data Audio output on the RI 250-S and Induction loop output on the RI 250-J 750 mV / 32 Ω SENNHEISER TECHNOLOGY AND SENNHEISER SERVICE ARE FUTURE-ORIENTED Even after many years to come. You can buy replacements for...