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General Information |
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Manufacturer |
Listen Technologies |
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Manufacturer Part Number |
LR-3200-072 |
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Product Name |
Basic DSP RF Receiver (72 MHz), Black |
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UPC Code |
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Overview |
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The LR-3200-072 receiver
from Listen Technologies offers outstanding audio clarity and quality
with the best range and reception in its class.
Part of our Intelligent Digital Signal Processing (iDSP) line, the
LR-3200-072 is the smallest device of its kind, resulting in a compact
unit that won’t burden the end user. An integrated neck loop/lanyard
makes each receiver easy to wear, and the DSP loop driver offers an
improved listening experience for anyone with a T-coil-equipped hearing
aid. Dual 3.5mm output jacks also allow receivers to be shared between
users.
Each receiver is equipped with a micro USB connection which can be used
with free iDSP software for charging, set up, programming, inventory
management and firmware updates.
Extended speaking sessions, presentations and more can be challenging
for other devices, but the LR-3200-072 incorporates advanced Lithium-ion
rechargeable batteries that offer long life and reliable power. |
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Features |
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RF receiver offering
best-in-class sensitivity and sound
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Integrated neck
loop/lanyard with DSP loop driver for an enhanced T-coil listening
experience
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Smallest device of its
kind makes it easier to wear and use and for venues to dispense,
store and maintain
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Limited lifetime
warranty with hassle-free support
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Lanyard and belt clip
options offer convenient and discreet choices for the end-user
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Advanced rechargeable
battery technology eliminates the costs and hassles associated with
frequent battery replacement
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Designed for
single-channel applications
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Specifications |
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Audio |
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System Distortion |
< 1% total harmonic distortion (THD) at
80% deviation |
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Output/s |
Two (2) 3.5 mm (0.14 in.) connectors,
unbalanced, 0 dBu nominal output level, 50 mW maximum, impedance 32 ohm |
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System Frequency Response |
50 Hz - 15 kHz (±3 dB) |
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System Signal to Noise Ratio |
SQ disabled 70 dB, SQ enabled 80 dB |
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Controls |
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User Controls |
Power, up/down volume |
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Programming |
Via software and USB port |
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Set-up Controls |
Press and hold up/down volume buttons for
5 seconds to enter channel adjust, use up/down to select channel |
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Indicators |
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LEDs |
Flashes when batteries are low or to
indicate charging, solid when fully charged |
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RF |
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Frequency Range |
72.0250 - 75.9500 MHz |
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Number of Channels |
Basic Mode: 3 wide Band, Expand Mode: 17
wide band |
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Sensitivity |
.6uV typical, 1 uV maximum for 12 dB sinad |
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Frequency Accuracy |
± .005% stability 32 to 122 ºF (0 to 50
ºC) |
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Squelch |
Fixed level, automatic on loss of RF
signal |
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Antenna Type |
Uses ear phone/neck loop lanyard and short
ear phone cable or standard earphone cable |
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Power |
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Battery Type |
Lithium Ion 3.7 Vdc, 1200 mAh |
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Battery Life |
24 Hours of continuous use |
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Battery Charging Time |
Fully charged in 2.5 Hours |
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Power Supply |
Micro USB connector, 5 V, 500 mA |
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Physical |
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Color |
Black |
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Dimensions (H x W x D) |
3.75 x 2.00 x 0.64 in. (9.6 x 5 x 1.7 cm) |
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Dimensions with Belt Clip |
3.75 x 2.00 x 0.80 in. (9.6 x 5.0 x 2.1
cm) |
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Unit Weight |
1.60 oz. (45 g) |
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Unit Weight with Batteries |
2.40 oz. (68 g) |
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Shipping Weight |
3.20 oz. (91 g) with 1.0 lbs. (454 g)
minimum |
