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Samson launches mono passive isolation box for optimal sound stabilization

The MLI1 is a line level passive isolation box designed to remove the hum and buzz caused by ground loops and to convert unbalanced signals to balanced signals for long cable runs.

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Samson, an industry pioneer in professional audio products, announces today the launch of the MLI1 Mono Passive Isolation Box. The MLI1 is a line level passive isolation box designed to remove the hum and buzz caused by ground loops and 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 Samson MLI1 is now available for $39.99 at all major MI and CE retailers.

Flat Frequency Response

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, eliminating the hum caused by ground loops.

Roadworthy Construction

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’s internal connections, switches and solder joints from failure, ensuring quiet, reliable performance.

Product Features:

  • 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

Product Specifications:

Type:                                      Mono passive isolation box

Frequency Response:           10Hz–35kHz (±0.2dB typical), up to 75kHz (-1dB)

Maximum Input:                     +15dBu @ 41Hz for <1% THD+N

Dynamic Range:                    >140dB

Gain:                                        +0.2dB

Rejection:                               50/60Hz 126dB typical

Equivalent Input Noise:        -115dBu

Intermodulation Distortion:  0.003%

Total Harmonic Distortion:   0.0006%

Input Impedance:                  7.7kO

Output Impedance:               600O nominal

Transformer:                          Samson STL

Ground Lift:                            Disconnects ground from input to output

Connectors:                          Input: XLR-1/4" combo

Output:XLR + 1/4" TRS

Chassis Construction:         Powder coated, 14-gauge steel chassis

Product Dimensions:           4.25” x 2.25” x 1.75” (110mm x 54mm x 46mm)

Product Weight:                    0.7lb (320g)

Note: All specifications are with a 50O balanced source @ 1kHz, -10dBu and 10k load, except as noted.

About Samson

Samson Technologies began in 1980 as a pioneer in wireless microphone technology. Today, Samson is an industry leader in professional audio solutions whose products are known for their fidelity and reliability. Samson products are preferred by recording artists, performers, educators and audio professionals throughout the world.

To connect with Samson, visit samsontech.com, Facebook, Twitter, Instagram or Pinterest.

By our press release coordinator Friday July 27, 2018
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