General
Information |
Manufacturer
|
Listen Technologies |
Manufacturer Part
Number |
ILD300
|
Product Name
|
Professional Loop Driver, 4.9 Amps
|
Overview |
The ILD300 is
a compact (one-half RU) professional audio hearing loop
driver capable of driving loop areas in excess of 4500
sqft with an unsurpassed clarity of sound for both music
and speech for superior intelligibility. Based on proven
and highly reliable technology it is backed by a 5 year
warranty and Listen technical support. Improved power
output provides outstanding value without compromise. It
boasts all the usual features such as metal loss
correction and is compatible with our unique Ultra-low
Spill technology. The ILD300 is a compact and elegant unit
suitable for freestanding, wall mounting or rack mounting
|
Features |
Area coverage to 4500
sqft
Low lifetime cost
Excellent proven
reliability
Unparalleled sound
quality and intelligibility
Automatic gain control
optimized for speech
High voltage headroom
avoids high frequency clipping
Metal loss corrector
corrects frequency dependent loss from metal
structures
Rack mount brackets
optional
Microphone (XLR) and
line inputs
Extensive input adaptors
available for any audio input requirements
The audio hearing loop
driver shall, in accordance with IEC60118-4,
continuously deliver 4.9 A (RMS) when excited with a
continuous 1 kHz sine wave
It shall cover an area
of at least 4450 sqft with a room aspect ratio 3:1
according to IEC 60118-4:2006 standard
The driver shall have a
frequency response of at least 80 Hz to 6.5 kHz +/- 3
dB with THD+N less than 0.2 percent
The unit shall
incorporate audio processing to maximize the
intelligibility for individuals with a t-coil equipped
hearing aid
The unit shall
incorporate metal loss correction to rectify frequency
caused adjacent metal structures
The unit shall occupy
one-half rack space
The ILD300 Professional
Loop Driver (4.9 Amps) is specified
|
Specification |
Audio
|
Frequency Response
|
80 Hz to 6.5 kHz +/- 3 dB
|
Distortion
|
THD+N less than 0.2 percent, 1 kHz
Sine Wave at Full Current
|
AGC
|
Optimized for Speech, Dynamic
Range more than 36 dB
|
Microphone Input
|
XLR Balanced, -70 dBu Input, 200 -
6000 Ohms, +15 VDC Phantom Power |
Line Input
|
1/4", -30 dBu Input, Overload
Protected
|
Controls
|
Gain Control
|
Front recessed input level control
|
Metal Loss Correction
|
Correct system frequency response
due to metal structures
|
Cooling
|
Natural Convection
|
Indicators
|
Drive Current Indication
|
4-LED Display Front Panel, 3 dB
Increments
|
Fault Monitoring
|
LED Fault Indicators, Overload,
Overhead, Loop Error
|
Remote Fault Monitoring
|
Relay Contacts
|
Interconnections
|
Slave I/O
|
1/4", Incert Point for SD5 90 Degrees
Audio Phase Shifter, 0 dBu
|
Loop Connector/s
|
Wieland ST17/2
|
Ancillary
|
+/- 15 VDC
0.15 A
Power Outlet to Power Accessories
|
Loop
|
Perimeter Loop-Coverage
|
1:1 Aspect Ratio: 2690 sq
ft. (250 m2)
2:1 Aspect Ratio: 3340 sq ft. (310 m2)
3:1 Aspect Ratio: 4520 sq ft. (420 m2)
Condition 1: Loop must be 3-6 ft. (1-2 m) above or
below the receiver height
Condition 2: There should be no metal structures in
the plane of the loop
Condition 3: There must be sufficient voltage to
drive the loop |
Power
|
Compliance
|
ETL Listed
|
Power
|
120 VAC
35 W
45 - 65 Hz
Power Switch/LED on Front Panel
|
Drive Voltage
|
6.4 V (RMS) at Maximum Output
Current
|
Drive Current
|
4.9 A (RMS)
7.0 A (Peak) with 1 kHz Sine Wave
|
Drive Current Peaks
|
Short Term more than 10 A
|
Physical
|
Mounting
|
Freestanding or Shelf Mounted
|
Cable Length
|
10 AWG, Max distance at full
current: 232 ft. (71 m)
14 AWG, Max distance at full current: 214 ft. (65
m)
18 AWG, Max distance at full current: 146 ft. (44
m)
22 AWG, Max distance at full current: 81 ft. (25 m)
FB1.8, Max distance at full current: 286 ft. (87 m) |
Environmental
|
Relative Humidity
|
IP20 Protection
20 to 90 percent Relative Humidity
32 to 95 degrees fahrenheit
|
Weight and Dimensions
|
Dimensions
|
8.5" x 1.7" x 8.7" |
Weight
|
6.2 lbs
|