Radial Engineering LX8 Line Level Signal Splitter & Isolator

Radial Engineering LX8 Line Level Signal Splitter & Isolator

Radial Engineering LX8 Line Level Signal Splitter & Isolator

B&H # RALX8J MFR # R800 8200
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  • 1Description
The LX8 Line Level Signal Splitter & Isolator from Radial Engineering is an 8-channel passive line-level isolator, designed specifically to manage balanced signals in professional audio systems. Applications include splitting a source between 2 destinations or simply isolating devices to eliminate the hum and buzz caused by ground loops.

The single rack space design begins with 100% passive circuit which means it does not require any powering whatsoever to make it work. In this unit, each of the 8 channels is equipped with a premium Eclipse ET-LD4 transformer that is able to handle transients in excess of +26dB at all frequencies right down to 20Hz without audible distortion. This results in an accurate signal transfer with minimal phase shift or artifact. In the studio, the Eclipse transformer delivers added warmth and a natural vintage-sounding compression. When used in larger systems, you benefit from significantly lower noise.

Input connections include a series of front-panel XLRs for easy integration into live racks or a rear-mounted 25-pin D-sub. Output connections include a hardwire throughput, a transformer isolated output, and an auxiliary output, the latter 2 being equipped with ground lift switches to help eliminate hum and buzz caused by ground loops. All rear panel connections are presented with a choice of standard 25-pin D-Sub wired to the Tascam-ProTools standard or with screw-down Phoenix connectors for easy field termination for permanent installations.

All of the 8 incoming signals are routed to the direct output, the transformer isolated output, and an auxiliary out, enabling multiple signal paths to be put into practice without the usual noise that is associated. With all these features, it is suitable for use with most demanding multi-channel audio system.

Note: The Phoenix cable terminal connectors are sold separately


8-channel balanced line level-signal splitter & isolator
Handles +26 dB signals without distortion or artifact
Over 100 dB of common mode noise rejection
Eliminates hum and buzz caused by ground loops
Welded 14-guage steel heavy-duty construction for durability
Based enamel finish for longevity

Front Panel

XLR line input (600Ω, balanced) wired in parallel with the rear panel D-Sub
ID labels for wax pencil make setup easy
ISO ground lift disconnects the ground on the isolated D-Sub output to help eliminate ground loops
Aux ground lift disconnects the ground on the auxiliary D-Sub output to help eliminate ground loops

Rear Panel

Isolated output set offers choice of 25-pin D-Sub connector for 8-channel cable harness or Phoenix Euroblock connection for permanent installation
Auxiliary direct output with front panel ground lift switch allows hard-wire passive split for monitors, broadcasts, or PA
Direct output is coupled with the input for direct feed through
Rear panel includes pin-out diagram for the Tascam standard 25-pin D-Sub connector
Balanced input with choice of 25-pin D-Sub, Phoenix Euroblock, or front panel XLR connections
UPC: 676101038466
In the Box
Radial Engineering LX8 Line Level Signal Splitter & Isolator
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Circuit Type Audio: Passive transformer-based line-level splitter
    Number of Channels 8-channel 3-way splitter (1-in / 3-out)
    Frequency Response 20 Hz to 20 kHz (+0 dB / -0.1 dB)
    Dynamic Range 140 dB
    Maximum Input +26 dBu @ 1 kHz
    +24 dBu @ 20 Hz
    THD + Noise 0.003% @ 1 kHz
    Deviation Phase Deviation:
    0.2° @ 100 Hz
    0.4° @ 20 Hz
    Common Mode Rejection -85 dB @ 60 Hz
    Impedance Input & Output: 600 Ω, balanced
    Transformer Eclipse ET-LD4
    Ground Ground Lift:
    Isolated Out: Disconnects ground path at isolated output
    Auxiliary Out: Disconnects ground path at auxiliary output
    Configuration XLR Configuration: AES standard (pin-1 ground, pin-2 hot, pin-3 cold)
    DB-25 Configuration: Tascam / ProTools 8-channel interface standard
    Construction 14-gauge steel
    Finish Baked enamel
    Power Passive, no power required
    Operating Conditions 41 to 104°F (5 to 40°C), for use in dry locations only
    Dimensions (W x H x D) 19.00 x 6.00 x 1.75" (48.25 x 15.25 x 4.45 cm)
    Weight 7.5 lb (3.4 kg)
    Packaging Info
    Package Weight 9.55 lb
    Box Dimensions (LxWxH) 21.9 x 10.4 x 3.3"

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