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The Samson MLI1 is a line level passive isolation box designed to remove hum and buzz caused by ground loops, as well as to convert unbalanced signals to balanced signals for long cable runs. Combining premium sound circuitry with durable, roadworthy construction, the MLI1 provides high-quality signal connection solutions for live, broadcast and studio applications.
The MLI1 features Samson's STL transformer that delivers an extended, ruler flat frequency response from 10Hz–35kHz (±0.2dB) with ultra-low distortion. The transformer isolates the input signal from the output signal, removing any DC noise. The Ground Lift switch disconnects the ground from the Input and Output connections which eliminates hum caused by ground loops.
Housed in a 14-gauge steel chassis, the MLI1 is built to withstand the abuse of the most demanding live tours. Its rigid outer shell protects all the MLI1 internal connections, switches and solder joints from failure, ensuring quiet, reliable performance.
Say Goodbye to Hum and Buzz
The MLI1 is provides high-quality signal connections, eliminating ground loops and isolating your audio.
- Mono line isolation box eliminates hum and buzz caused by ground loops
- Samson STL transformer isolates input and output signals
- Flexible connectivity with 1/4" and XLR input and output connections
- Ruler flat frequency response from 10Hz–35kHz
- All-metal, impact resistant design
|Frequency Response||10Hz–35kHz (±0.2dB typical), up to 75kHz (-1dB)|
|Maximum Input||+15dBu @ 41Hz for <1% THD+N|
|Rejection||50/60Hz 126dB typical|
|Equivalent Input Noise||-115dBu|
|Total Harmonic Distortion||0.0006%|
|Output Impedance||600Ω nominal|
|Ground Lift||Disconnects ground from input to output connectors. Case is always grounded to outputs.|
|Input Connectors||XLR-1/4" combo|
|Output Connectors||XLR, 1/4" TRS|
|Chassis Construction||Powder coated, 14-gauge steel|
|Dimensions||4.25" (110mm) x 2.25" (54mm) x 1.75" (46mm)|
From The Blog
Straight Talk About Direct Boxes — Part 1
What is Balanced Audio?
“Just One” — In the Studio with Tony-Nominated Vocalist Constantine Maroulis and Samson’s Q9x Microphone
CALIFORNIA PROPOSITION 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov