Specications
protection
circuits protection heat-sinks temperature monitoring
output over current protection
transducers protection L-DRIVE:
excursion
temperature
over-voltage
fans 2 fans, temperature-controlled speed
fans noise (free eld, 1 m) at minimum speed: 20 dBA
at maximum speed: 45 dBA
interface and connections
indicators 3 x LEDs for power, status and L-NET information
for each output: 7 x LEDs for mute, load, signal, levels and
limit/clip information
interface 2 x 24 characters LCD screen
output connectors 4 x 4-point speakON
L-NET connectors 2 x 1 Gb/s Ethernet etherCON
Input signal distribution
connectors
input 4 Neutrik
®
female XLR3, IEC 268, ESD protected
link 4 Neutrik
®
male XLR3, IEC 268, ESD protected
available input connectors vs. input mode
analog AB / analog CD IN A, IN B / IN C, IN D (4 connectors, 4 channels)
analog AB / digital CD IN A, IN B / IN C&D (3 connectors, 4 channels)
digital AB / analog CD IN A&B / IN C, IN D (3 connectors, 4 channels)
digital AB / digital CD IN A&B / IN C&D (2 connectors, 4 channels)
link connectors
analog input mode passively connected
digital input mode electronically buffered,failsafe relay
powerCON, etherCON, speakON, Neutrik are registered trademarks of Neutrik AG
Analog Input
input impedance 22 kΩ (balanced)
maximum input level 22 dBu (balanced, THD 1%)
A/D conversion four cascaded 24-bit analog/digital converters (128 dB
dynamic range)
LA4X user manual (EN) version 9.1 56
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