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Header image for article At the Bench: Beachtek DXA-ALEXA Preamplifier for ARRI Alexa Mini

At the Bench: Beachtek DXA-ALEXA Preamplifier for ARRI Alexa Mini

In my latest video, I talk about the new Beachtek DXA-ALEXA for the ALEXA Mini. As you may know, audio input to the ALEXA Mini is via a Mini 5-pin connector on the front housing, while audio into the camera is line level only. This presents operators with a challenge getting their mic level signals into the camera.

The Beachtek DXA-ALEXA converts mic level signals to line level for recording audio direct to the C-Fast cards used by the ALEXA Mini. The Beachtek DXA-ALEXA is a preamp that supports powered mics, as well as those requiring phantom 48 power. The unit supports channels of audio input via XLR 3 connectors with independent gain switches. Tracks can be recorded separately or as a mix. Each channel input adjustment knob has a detent, so range of adjustment can be made by feel if or when line of sight is not possible. Each channel has a diode for record level that is color coded, and levels can be quickly and easily evaluated for record level.

The kit for the ALEXA Mini comes with the preamp and mounting bracket; cables are ordered separately as the preamp will work with other cameras, such as RED. In my video above, I go through what is included in the kit, set up, and usage, as well as a microphone test.

Ian McCausland
Camera Tech Specialist / Lead Trainer, AbelCine LA

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