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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.
| Audio Circuit Type | Passive, transformer based |
| Frequency Response | 20 Hz to 20 kHz (± 1 dB) |
| Dynamic Range | >135 dB |
| Maximum Input | 15 dBu |
| Gain | 0 dB / -5.7 dB 10 k / 600 ohm load |
| Clipping Level | 25 dBu |
| Equivalent Input Noise | 110 dBu |
| Distortion | Intermodulation Distortion: 0.002% @ -10 dBu Total Harmonic Distortion: <0.0006% 1 kHz @ -10 dBu |
| Input Impedance | 8.66 kOhms with 10 kOhm load |
| Output Impedance | 600 ohms nominal |
| Transformer | Custom-made Eclipse |
| Ground Lift | Disconnects pin-1 at XLR output |
| XLR Configuration | AES standard: Pin-1 (Ground), Pin-2 (+), Pin-3 (-) |
| Environmental Conditions | For use in dry locations only between 41 to 104°F (5 to 40°C) |
| Construction | 16-gauge steel chassis & outer shell |
| Finish | Powder Coat |
| Dimensions | 4.2 x 1.32 x 1.6" (107 x 34 x 41 mm) |
| Weight | 0.4 lb (0.18 kg) |
| Package Weight | 0.65 lb |
| Box Dimensions (LxWxH) | 7.2 x 4.7 x 1.6" |
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