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Radial Engineering IceCube IC-1 Balanced Line Isolator and Hum Eliminator #RAICIC1BLI MFR #R800 1031
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Radial Engineering IceCube IC-1 Balanced Line Isolator and Hum Eliminator #RAICIC1BLI MFR #R800 1031

Radial Engineering IC-1 Overview

Designed to eliminate hum and buzz cause by ground loops, the IceCube IC-1 Balanced Line Isolator and Hum Eliminator from Radial Engineering can be inserted directly into your signal path via its glass-filled nylon XLR connectors. Its proprietary Eclipse transformer isolates the input from the output and blocks stray DC currents, providing a linear response from 20 Hz to 18 kHz. It can handle up to +10 dB at 20 Hz with less than 0.01% distortion.

The IceCube is made of solid 16-gauge steel and features a powder-coat finish. The steel provides electromagnetic shielding from nearby cables, motors, and power supplies.

Eliminates hum & buzz caused by ground loops
Linear response from 20 Hz to 18 kHz
Able to handle pro output levels without choking
Plug & play easy to use with XLR in & out


Radial Engineering IC-1 Specs

Audio Circuit TypePassive, transformer based
Frequency Response20 Hz to 20 kHz (± 1 dB)
Dynamic Range>135 dB
Maximum Input15 dBu
Gain0 dB / -5.7 dB 10 k / 600 ohm load
Clipping Level25 dBu
Equivalent Input Noise110 dBu
DistortionIntermodulation Distortion: 0.002% @ -10 dBu
Total Harmonic Distortion: <0.0006% 1 kHz @ -10 dBu
Input Impedance8.66 kOhms with 10 kOhm load
Output Impedance600 ohms nominal
TransformerCustom-made Eclipse
Ground LiftDisconnects pin-1 at XLR output
XLR ConfigurationAES standard: Pin-1 (Ground), Pin-2 (+), Pin-3 (-)
Environmental ConditionsFor use in dry locations only between 41 to 104°F (5 to 40°C)
Construction16-gauge steel chassis & outer shell
FinishPowder Coat
Dimensions (L x W x D)4.2 x 1.32 x 1.6" (107 x 34 x 41 mm)
Weight0.4 lb (0.18 kg)
Packaging Info
Package Weight0.65 lb
Box Dimensions (LxWxH)7.2 x 4.7 x 1.6"
UPC: 676101043460
96.01 96.01