Don't miss a single sound.
Phone: +1.801.233.8992 or 1.800.330.0891
Fax: +1.801.233.8995
Email: info@ListenTech.com
Listen Technologies Cor poration
8535 South 700 West, Suite A
Sandy, UT 84070-2515 USA
Specification
LR-300-072
RF
RF Frequency Range
72.025 - 75.950 MHz
Number of Channels
17 (wide band)
Sensitivity
.6uV typical, 1 uV maximum for 12dB SINAD
Frequency Accuracy
± .005% stability 0° to 50°C (32° to 122° F)
Antenna
Uses earphone cable
Antenna Connector
3.5mm connector
Squelch
Automatic on loss of RF signal
Compliance
FCC Part 15, Industry Canada
Audio
** All system specifications
System Frequency Response
63Hz - 15kHz (±3dB)
System Signal to Noise Ratio
(A-weighted)
SQ enabled: 80dB; SQ disabled 60dB
System Distortion
<2% total harmonic distortion (THD) at 80% deviation
Output
3.5mm connectors, unbalanced, 0dBu nominal output level,
16mW maximum, impedence 32 Ohms
Controls
Set Up Controls
Alkaline/NiMH batteries, SQ enable/disable
User Controls
Volume, SEEK (Channel SEEK is electronically lockable)
Programming
Channel selection can be locked by holding the
SEEK button for 5 seconds.
Indicators
LED
Red, illuminates when unit is on. Flashes when batteries are
low. Flashes when charging. Flashes when locked and user
attempts to seek to another channel.
Power
Battery Type
Two AA batteries, alkaline or NiMH
Battery Life (Listen batteries)
30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
Battery Charging (NiMH only)
Fully automatic, 14 hours
Power Supply Connector
2.3mm OD by 0.7mm ID, barrel type connector.
7.5VDC, center positive <250mA. Drop in contact points for use
with Listen charging cases.
Compliance
UL Listed
Physical
Dimensions
3.0 in x 1.0 in x 5 in WxDxH (7.6cm x 2.5cm x 13.cm)
Unit Weight
3.9oz (111g)
Unit Weight with batteries
5.8 oz (164.4g)
Shipping Weight
1.0 lbs (453.6kg)
Door
Manually lockable. SEEK behind the door.
Environmental
Temperature - Operation
-10° to 40°C (14° to 104° F)
Temperature - Storage
-20° to 50°C (-4° to 122° F)
Humidity
0 to 95% relative humitity, non-condensing
LR-300 Digital Receiver
updated 06.17.04
Photographs, CAD drawings, etc. available at www.ListenTech.com.
