MackieBig Knob Studio+ Monitor Controller


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Mackie Big Knob Studio+

The Mackie Big Knob Studio+ is a studio staple for a reason: its straightforward user interface and tactile front panel layout make mixing a breeze. This compact desktop unit provides an efficient means of monitor switching and level control, complete with talkback functionality. Its rear panel connections allow for the integration of multiple sources, granting users the ability to switch between three sets of studio monitors, four stereo sources, and the ability to route customized headphone mixes while communicating via talkback microphone. All of this and more makes the Mackie Big Knob a welcome inclusion for any studio setup.

What's more—the Big Knob Studio+ also functions as an audio interface! Two Onyx preamps provide pristine sound for input channels. This makes the Big Knob a stronger contender than ever for acting as the hub of your studio.

Big Knob Studio+ Features

  • USB audio interface and monitor controller all in one
  • Two Onyx preamps for excellent recording quality
  • Easy to switch between up to four input sources and three monitor pairs
  • Trim controls for establishing balance between monitor pairs
  • Built-in talkback option
  • Multiple headphone outputs for easy monitoring in the booth
  • Mono sum, Mute, and Dim options
  • "Studio Out" for headphone distribution systems
  • Frequency Response, Line-level Inputs and Outputs +0, –1 dB, 10 Hz to 50 kHz. +0, –3 dB, 5 Hz to 100 kHz. RIAA Equalization Deviation (Phono Input) ± 0.5 dB from 20 Hz to 20 kHz
  • Distortion (THD & IMD): Line-level Inputs to Line-level Outputs (unity gain) > 0.015%, 20 Hz to 20 kHz @ +4 dBu RIAA Input, Nominal Gain > 0.015%, 20 Hz to 20 kHz @ +4 dBu
  • Noise Floor (20 kHz Bandwidth, +4 dB level setting, 150Ω source) Unity Gain, with DAW, 2-Track A, and 2-Track B Assigned –86 dBu maximum (all outputs), Monitor A, B, and C Outputs, Studio Output, DAW, 2-Track A, and 2-Track B Outputs –90 dBu typical, Phono Input (nominal 41.8 dB gain @ 1 kHz, inputs shorted) –71 dBu maximum (all outputs), Equivalent Input Noise (E.I.N.): 0.89 μV / –119 dBu maximum
  • Dynamic Range: Line Inputs 112 dB minimum. Phono Input 93 dB minimum
  • Common Mode Rejection Ratio: (20 Hz to 20 kHz @ +4 dB level setting) 34 dB minimum, 40 dB typical
  • Crosstalk: Adjacent Inputs 90 dB @ 1 kHz, Left to Right/Right to Left 70 dB @ 1 kHz, Muted/Level Off 90 dB @ 1 kHz
  • Trim Control Range: Input Trim Controls (Center Detented) ±10 dB, Output Trim Controls –14 dB to 0 dB
  • Dim Switch: 0 dB/–20 dB
  • Rated Input Voltage: Line Inputs (+4 dB Level Setting), +4 dBu/+28 dBu (nominal/maximum), Line Inputs (–10 dB Level Setting), –10 dBu/+14 dBu (nominal/maximum), RIAA Input (@ 1 kHz, nominal gain), 5 mV/79 mV (nominal/maximum)
  • Rated Output Voltage: All Line-level Outputs (+4dB Level Setting), +4 dBu/+22 dBu (nominal/maximum), All Line-level Outputs (–10 dB Level Setting), –10dBu/+8 dBu (nominal/maximum)
  • Maximum Voltage Gain: DAW, 2-Track A, and 2-Track B Input to: Monitor A, B, and C Outputs 34 dB. DAW, 2-Track A, 2-Track B, and Phones Amp Outputs 24 dB,
  • Studio Output 34 dB, Phones 1 and 2 Outputs 34 dB (output loaded @ 100 kΩ), DAW Phone Mix Input to Phones Amp Outputs 14 dB, Studio Output 24 dB,
  • Phones 1 and 2 Outputs 24 dB (output loaded @ 100 kΩ), Phono Input @ 1 kHz to: Monitor A, B, and C Outputs 67.8 dB, DAW, 2-Track A, 2-Track B, and
  • Phones Amp Outputs 57.8 dB, Studio Output 67.8 dB, Phones 1 and 2 Outputs 67.8 dB (output loaded @ 100 kΩ)
  • Input Impedance: Line Input 24 kΩ balanced, 12 kΩ unbalanced, Phono Input 47 kΩ || 220 pF
  • Output Impedance: Line Output 300Ω balanced, 150Ω unbalanced, Headphone Output 150Ω
Mackie Big Knob Studio+ Monitor Controller Reviews