MTR DI3, Active DI Box

The DI-3 single channel D.I. box has a mono jack input and link out socket, a ground lift to eliminate hum loops, a three position attenuator for accurate level matching, and a balanced 600 ohm XLR output. The active electronics have a purely resistive high input impedance, and so do not colour the sound. Both models can be powered in 3 ways: by a 9 volt battery, phantom power from the desk (or an MTR PPS-48), or an external 9v regulated power supply.

Specifications:

• Freq. Res: 20Hz-20kHz ±3dB.
• Distortion: (THD) < 0.005% at 1kHz, 0dBu
• Output Noise: <-100dB unweighted
• In/Link Impedance: 1MOhm, jack.
• Output Impedance: 600 Ohms balanced XLR.
• Atten. Switch: -40, -20, 0dB.
• Ground Switch: Lifted/connected.
• DC Input: 9vDC, 100mA, neg. centre pin
• Phantom Power: +18 volts DC to +48 volts DC
• ‘Low Bat’ led: glows @ approx. 6v
• Weight: 0.5Kg

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