RI 150
IR Audio Transmission Technology | Receivers
General Description
The RI 150 is an extremely lightweight wideband stethoset receiver which uses the
carrier frequency 2.3 MHz, thus offering excellent transmission reliability. It features
an easy-to-operate on/off/volume control and is powered by the environmentally
friendly BA 151 rechargeable NiMH accupack delivered with the receiver. The audio-
logy variant RI 250 is fitted with an additional, recessed balance control. The RI 250 J
is fitted with a 3.5 mm jack output socket.
Technical Data
Modulation ......................................... wideband-FM, mono
Carrier frequency......................................................2.3 MHz
AF frequency response...............................18 – 18,000 Hz
THD................................................................................... < 1 %
Signal-to-noise ratio............................................typ. 70 dB
Max. SPL .........................................................approx. 110 dB
(RI 250 and RI 250 J: approx. 130 dB)
Audio output
(RI 250 J only) ............................ 3.5 mm jack (0.7 V/30 Ω)
Operating time ................................................ approx. 6 hrs
Weight ............................. approx. 45 g including accupack
Features
Wideband stethoset receiver
Extremely reliable transmission due to carrier frequency 2.3 MHz
Extremely lightweight – only 45 g
Excellent speech intelligibility and good music reproduction
Very easy to use
Operates on environmentally friendly rechargeable NiMH accupack
Delivery includes:
RI 150: 1 x RI 150 mono stethoset receiver, 1 x BA 151 accupack
RI 250 and RI 250 J: 1 x RI 250 or RI 250 J mono stethoset receiver,
1 x BA 151 accupack, 1 set of adhesive tape for altering the frequency response
Recommended Accessories
BA 151 accupack
Cat. No. 004146
Charger for two BA 151
L 151-2 European version
L 151-2-120 USA version
L 151-2-UK UK version
L 151-10 charging unit for 10 receivers
Plug-in mains unit for one L 151-10
NT 92 European version
NT 92-120 USA version
NT 92-UK UK version
Cat. No. 004457
Cat. No. 004459
Cat. No. 004458
Cat. No. 004494
137 mm
Dimensions of the RI 150/RI 250/RI 250 J
Cat. No. 003357
Cat. No. 003358
Cat. No. 003359
Plug-in mains unit for two to five L 151-10
NT 2013 European version
NT 2013-120USA version
Cat. No. 003433
Cat. No. 003434
NG 2013-UK UK version
Cat. No. 054332
Replacement earpads, black, firmer version
Replacement earpads, transparent, softer version
Spare Part No. 037080
Spare Part No. 040949
Product Variants
RI 150: mono stethoset receiver
Cat. No. 004383
RI 250: mono stethoset receiver, audiology variant
with balance control and higher SPL
RI 250 J: Mono stethoset receiver with audio output socket
Cat. No. 004373
Cat. No. 004391
Download from Www.Somanuals.com. All Manuals Search And Download.
|