Used Mackie Big Knob Studio Command System Compact Mixer

The Mackie Big Knob Studio Command System is a desktop audio control center designed for managing studio monitor selection, input source selection, talkback, and headphone control. 

Here's a breakdown of its features and potential considerations for a used model:

Features

• Studio Monitor Selection: Allows you to switch between multiple pairs of studio monitors, enabling A/B comparisons of mixes on different playback systems.
• Input Source Selection: You can connect and switch between several stereo input sources, including your computer/DAW outputs, CD player, cassette deck, and even a turntable via the built-in phono preamp.
• Talkback: Includes a built-in talkback microphone for communicating with musicians or vocalists in a separate room or booth, eliminating the need for hand signals.
• Headphone Control: Offers dual headphone outputs with independent level controls and a dedicated headphone mix bus,
• USB Audio Interface (on some models): Newer "Big Knob Studio" models integrate a USB audio interface with two Onyx preamps, allowing for high-resolution 24-bit/192kHz recording and playback. The original Big Knob models do not have this functionality. It's crucial to confirm which version you are interested in if you need the recording interface functionality.
• Level Control: Features a large, precise volume knob for accurate level adjustments.
• Robust Construction: The Big Knob is described as having a sturdy, "Built-Like-A-Tank" design for durability. 

Potential considerations for used models

• Knob Accuracy: Some users have reported inconsistent tracking of the main volume and headphone level pots at very low settings (below 9 o'clock), meaning the left and right channels might not be perfectly balanced until the volume is increased.
• Preamps (on models with them): While the Onyx preamps generally receive positive reviews for clarity, some users have noted that the mic preamps may require higher gain levels compared to other interfaces, particularly with dynamic microphones.
• Heat: The unit can generate a noticeable amount of heat during operation.
• Popping Sound: Some users have experienced a popping sound when powering the unit on or off.
• Durability and Longevity: While generally considered robust, some users have reported issues with switches, buttons, and channels failing after a few years of use. 

This product has been tested, is fully functional and includes a 30 day warranty. If you have questions, call or text 770-931-9190. We will be happy to assist you! Or if you live in the Atlanta area stop by and bring trades!  Click this link to connect with a buyer. https://4gpm1w6ao3c.typeform.com/to/K3L9sDMT