Sennheiser RI 150 - Manual
Sennheiser RI 150 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
RI 150
IR Audio Transmission Technology |
Receivers
Features
j
Wideband stethoset receiver
j
Ex tremely reliable transmission due to carrier frequency 2.3 MHz
j
Ex tremely lightweight – only 45 g
j
Excellent speech intelligibility and good music reproduction
j
Very easy to use
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Operates on environmentally friendly rechargeable NiMH accupack
j
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
General Description
The RI 150 is an ex tremely lightweight wideband stethoset receiver which uses the
carrier frequency 2.3 MHz, thus of fering excellent transmission reliability. It features
an easy-to - operate on/of f/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
Recommended Accessories
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BA 151 accupack
Cat. No. 004146
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Charger for two BA 151
L 151-2 European version
Cat. No. 004457
L 151-2-120 USA version
Cat. No. 004459
L 151-2-UK UK version
Cat. No. 004458
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L 151-10 charging unit for 10 receivers
Cat. No. 004494
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Plug-in mains unit for one L 151-10
NT 92 European version Cat. No. 003357
NT 92-120 USA version
Cat. No. 003358
NT 92-UK UK version
Cat. No. 003359
j
Plug-in mains unit for two to five L 151-10
NT 2013 European version
Cat. No. 003433
NT 2013-120USA version Cat. No. 003434
NG 2013-UK UK version
Cat. No. 054332
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Replacement earpads, black, firmer version
Spare Par t No. 037080
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Replacement earpads, transparent, sof ter version
Spare Par t No. 040949
Product Variants
j
RI 150: mono stethoset receiver
Cat. No. 004383
j
RI 250: mono stethoset receiver, audiology variant
with balance control and higher SPL
Cat. No. 004373
j
RI 250 J: Mono stethoset receiver with audio output socket
Cat. No. 004391
Dimensions of the RI 150/RI 250/RI 250 J
137 mm
20
m
m
18
8
m
m
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