Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box
Mackie MDB-1A Active Direct Box

Mackie MDB-1A Active Direct Box

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$69.99
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MDB Series Direct Boxes

Ready
For Anything

From acoustic guitars to laptops, always sound your best with MDB Series Direct Boxes. Available in four different models, the MDB Series will give you the peace of mind that your sound will faithfully get to your audience the way that you hear it on stage.

Premium

Without the price tag

Direct boxes are an essential tool for any stage or studio. They make it easy to get clean, low-noise audio to a mixer no matter what instrument you are using. Available in four versatile models, our ultra-affordable DI's offer the Mackie sound quality that you expect with Built-Like-A-Tank™ construction for maximum reliability. From acoustic guitars to laptops, be ready for anything with MDB Series direct boxes.

Mackie MDB-1A Overview

The Mackie MDB-1A is an active direct box designed to connect a single instrument such as a guitar, bass, or keyboard to a microphone preamp for musicians and audio engineers in recording sessions, houses of worship, and live stage applications. It converts a high-impedance, instrument-level signal via its 1/4" TS unbalanced input to a low-impedance, mic-level output via its balanced XLR 3-pin jack. A 1/4" thru jack allows simultaneous connection to an amplifier or pedalboard.

A -20 dB pad reduces the input level to prevent distortion when using a high-gain source, and the ground-lift switch inhibits hum caused by ground loops. Additionally, there are switches for polarity and a 120 Hz high-pass filter. The Merge function allows the Thru jack to be used as a second, simultaneous input. Due to its active design, the MDB-1A operates on phantom power. A sturdy steel chassis enables confident use in the studio or on the road.

Connect an instrument such as a guitar, bass, or keyboard to a microphone preamp
Converts a high-impedance, unbalanced 1/4" input to a low-impedance, balanced XLR mic-level output
1/4" thru jack for routing to an amplifier
-20 dB pad prevents overloading when accepting signal from a loud source
Ground-lift switch minimizes hum
Active design operates on phantom power

Mackie MDB-1A Specs

Type Active
Input Connections 1 x 1/4" TS unbalanced
Output Connectors 1 x 1/4" TS unbalanced
1 x XLR 3-pin balanced
Input Impedance 330 kOhms unbalanced
Output Impedance 150 Ohms balanced
Impedance Ratio 2200:1
Pad -20 dB
High-Pass Filter 120 Hz
Controls Pad
Ground-lift switch
Merge
Low-cut switch
Polarity
Frequency Response 20 Hz to 20 kHz (±0.5 dB)
Signal to Noise Ratio 90 dB
Dynamic Range 130 dB
Total Harmonic Distortion 0.02% at 1 kHz
Power Requirement 48 VDC phantom power
Current <4 mA DC
Construction Material Heavy-gauge steel chassis
Dimensions (H x W x D) 1.5 x 3.4 x 5.8" / 38 x 86 x 147 mm
Weight 0.8 lb / 0.4 kg
Packaging Info
Package Weight 1.05 lb
Box Dimensions (LxWxH) 6.9 x 5.8 x 2.9"

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