Applications
MI-XX with a studio condenser
Recording and broadcast studios require a noise-free signal transfer while delivering the most accurate sound possible. The Iso-Max MI-XX eliminates ground loops and lowers RF without introducing distortion, phase shift or artifact.
MI-XX with a dynamic mic
Noise has a nasty habit of finding its way into the most simple circuits. Use the Iso-Max MI-XX to isolate the microphone from the input on your mixing console to eliminate noise in the most troublesome installations.
Specifications
All levels are input unless noted, +4 dBu = 1.23 V RMS
| PARAMETER | CONDITIONS | MINIMUM | TYPICAL | MAXIMUM |
|---|---|---|---|---|
| Input impedance, Zi | 1 kHz, -20 dBu, test circuit 1 | 1.00 kΩ | 1.08 kΩ | 1.15 kΩ |
| Insertion loss | 1 kHz, -20 dBu, test circuit 1 | -0.90 dB | -0.82 dB | -0.70 dB |
| Magnitude response, ref 1 kHz | 20 Hz, -20 dBu, test circuit 1 | -0.25 dB | -0.09 dB | ±0.0 dB |
| Magnitude response, ref 1 kHz | 20 kHz, -20 dBu, test circuit 1 | -0.25 dB | -0.10 dB | +0.1 dB |
| Deviation from linear phase (DLP) | 20 Hz to 20 kHz, -20 dBu, test circuit 1 | +1.7/-0° | ±3.0° | |
| Distortion (THD) | 1 kHz, -20 dBu, test circuit 1 | <0.001% | ||
| Distortion (THD) | 20 Hz, -20 dBu, test circuit 1 | 0.036% | 0.15% | |
| Maximum 20 Hz input level | 1% THD, test circuit 1 | 0 dBu | +2.0 dBu | |
| Common – mode rejection ratio (CMRR) 600 Ω balanced / unbalanced source | 60 Hz, test circuit 2 / 3 | 130 dB / 155 dB | ||
| 3 kHz, test circuit 2 / 3 | 80 dB / 65 dB | 95 dB / 80 dB | ||
| Recommended source impedance | ouput impedance of device driving ISO-MAX input | 0 Ω | 150 Ω | 500 Ω |
| Recommended load impedance | input impedance of device loading ISO-MAX output | 1.0 kΩ | 1.5 kΩ | |
| Output impedance, Zo | 1 kHz, test circuit 1 | 231 Ω | ||
| Optimal cable length | input | 8 m (26’) | 30 m (100’) | |
| Optimal cable length | output | 30 m (100’) | 150 m (500’) | |
| Temperature range | operation or storage | 0°C | 70°C | |
| Input to Output Voltage Difference* | any input to any output shield or any shield to case, 60 Hz | 24 V RMS 34 V peak |
Graphs
Phase Distortion (DLP)
Frequency Response
THD vs Level at Low Frequencies
THD vs Frequency at Various Levels
