Audac ALI20 MKII

Line Isolatstereo bal.1:1 600 ohm

Varenr: ALI20MK2
1 296,-eks mva.


  • S-box™ modular multifunctional enclosure


  • Retail
  • Education
  • Corporate spaces
  • Residential

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
InputsImpedance600 ?
Connector2 x XLR female
OutputsImpedance600 ?
Connector2 x XLR male
Turn ratio1 : 1
Bandwidth0.8 Hz - 100 kHz
Typical distortion (@ 1 kHz)0.001%
FrequencyHigh-3 dB Cutoff 105 kHz
Low-3 dB Cutoff 0.8 Hz
Response20 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
Dimensions96 x 43 x 108 mm (W x H x D) (ALI25)
108 x 44 x 165 mm (W x H x D) (ALI20MK2)
Weight0.270 kg (ALI25)



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