ALI
Audio line isolator
Highlights
- S-box™ modular multifunctional enclosure
Applications
- Education
- null
- Residential
- Retail
The ALI20/25 are audio line isolators designed to isolate audio devices from each other. In most cases, they are used to avoid hum caused by ground loops in audio systems. They offer a complete passive solution for the isolation of a stereo balanced audio signal. It features dual XLR in- and output connectors and a ground lift switch. The in- and output phase are matching. The ALI20/25 are both built with an audio transformer that has a turns ratio of 1:1 and an impedance of 600 Ohm. The difference is the shielding of the transformer. The ALI20 contains a shielded transformer which complies with the requirements of most standard applications, while the ALI25 contains a MU-metal shielded transformer which can be used when regular shielding becomes inadequate. This ensures the best results in even the highest EMI polluted environments.
| System specifications | ||||
|---|---|---|---|---|
| Inputs | Impedance | 600 Ω | ||
| Connector | 2 x XLR female | |||
| Outputs | Impedance | 600 Ω | ||
| Connector | 2 x XLR male | |||
| Turn ratio | 1 : 1 | |||
| Bandwidth | 0.8 Hz - 100 kHz | |||
| Typical distortion (@ 1 kHz) | 0.001% | |||
| Frequency | High | -3 dB Cutoff 105 kHz | ||
| Low | -3 dB Cutoff 0.8 Hz | |||
| Response | 20 Hz | -0.09 dB (reference 1 kHz) | ||
| 20 kHz | -0.10 dB (reference 1 kHz) | |||
| Max. Inputs Level (@ 1% THD+N) | 20 Hz | +2 dBu (0.975V) | ||
| 50 Hz | +10 dBu (2.449V) | |||
| THD+N (@ 1 kHz) | 0.035% (@ 20 Hz and -20dBu (typical)) | |||
| < 0.001% (@ 1 kHz and -20dBu (typical)) | ||||
| Product Features | ||||
|---|---|---|---|---|
| Dimensions | 3.78 x 1.69 x 4.25 " (W x H x D) (ALI25) | |||
| 4.25 x 1.73 x 6.50 " (W x H x D) (ALI20MK2) | ||||
| Weight | 0.60 lb (ALI25) | |||
| Colours | Black | |||
| Product | Unit of measure | Quantity |
|---|
Information sheet English
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Manuals
Technical drawings
ALI20MK2 - Shielded
| Code | Quantity | Length | Width | Height | Cubage | Weight |
|---|---|---|---|---|---|---|
| PRODUCT | 1 | 0,18 m | 0,11 m | 0,45 m | 0,00866 m³ | 0,48 kg |
| PCS | 1 | 0,22 m | 0,18 m | 0,07 m | 0,00277 m³ | 0,66 kg |
| INNER | 1 | - | - | - | - | - |
| MASTER | 30 | 0,68 m | 0,39 m | 0,38 m | 0,09948 m³ | 21,50 kg |
| PALLET | 108 | - | - | - | - | - |
