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Operation Guide
POWER POWER
INPUT
MIC
OL INPUT SOURCE SELECT MONITOR SELECT
8
0
4
8
DAW 2-TRACK 2-TRACK PHONO
AB C
24
MIX A B
+
0 = 4dBu
PHONES STUDIO OUTS TALKBACK
MAX
PHONES/ VOLUME
STUDIO OUTS
1
SOURCE
MAX
MONO DIM
MAX MAX
TO TO
INPUT SOURCE(S) OFF
MUTE
2 PHONES MIX INPUT ON LEVEL LEVEL 2-TRACKS PHONES/
STUDIO
MAX
STUDIO COMMAND SYSTEM
OO
OO OO
OO
OO
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Important Safety Instructions 13. Unplug this apparatus during lightning storms or when unused for long 1. Read these instuctions. periods of time. 2. Keep these instructions. 14. Refer all servicing to qualifi ed service personnel. Servicing is required 3. Heed all warnings. when the apparatus has been damaged in any way, such as power- supply cord or plug is damaged, liquid has been spilled or objects have 4. Follow all instructions. fallen into the apparatus, the apparatus has been expose
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Operation Guide Table of Contents Introduction................................................................................................................4 Getting Started ..........................................................................................................4 Zero the Controls .......................................................................................................................................4 Connections..................................................
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Introduction Another important feature you’ve come to expect Thank you for choosing the Mackie Big Knob, your signal routing and monitoring solution for your from Mackie is pristine sound quality, and Big Knob DAW-based studio. Big Knob provides a control is no exception. This is studio-quality gear, and we made sure the audio signal suffers no degradation room matrix and the basic features of an expensive by passing through Big Knob. You can connect this mixer, but tailored for the requi
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Operation Guide 3. Connect the MONITOR A output jacks on the Set the Levels rear panel of Big Knob to a pair of active studio monitors (or the inputs of an amplifi er that is 1. With everything off, turn on Big Knob’s POWER powering a pair of passive studio monitors). switch fi rst. These will be located at your mixing position. If you know whether the inputs to the active 2. Turn on all other external power amplifi ers, active studio monitors (or amplifi er) accept a –10 dBV speakers, and he
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fi er and check to see if the +4/–10 level switch above the MONITOR A output jacks is in above the PHONES AMP output jacks the –10 dB position (counterclockwise). If it is, is in the –10 dB position (pushed in). If it is, turn the control up to the +4 dB position and switch it to the +4 position and then turn up the then turn up the Big Knob VOLUME control. headphone volume control on the headphone Now it should get louder, faster. amplifi er. Now it should get louder, faster. 10. If you h
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Operation Guide Big Knob Features Front Panel PHONO INPUT SOURCE SELECT Section These buttons turn on or off the four input signals Turns on the signals connected to the PHONO ste- reo inputs. connected to Big Knob. Any combination of the four inputs can be turned on at the same time, as indi- INPUT METERS cated by the red LEDs above the buttons. These six segment meters show the signal level of When selected, these input sources are routed to the the currently selected stereo source(es).
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DIM PHONES 1 and 2 Pressing this button turns down the signal going to These 1/4-inch TRS connectors output an ampli- the MONITOR A, B, and C outputs by 20 dB. This fi ed stereo signal of either the DAW PHONES MIX lets you turn down the speakers to converse with- INPUT or the INPUT SOURCES , out affecting the speaker level you have set. depending on the position of the PHONES/STUDIO OUT SOURCE switch described below. Note: Like the Big Knob VOLUME control, the MONO, MUTE, and DIM buttons ONL
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Operation Guide When the button is down (PHONES MIX INPUT), TO 2-TRACKS the STUDIO/PHONES outputs are fed the signal Pressing this momentary button illuminates the red from the DAW PHONES MIX INPUT jacks on the LED above it, activates the internal talkback MIC, rear panel. In this position, the recording engineer and sends its signal to the: listens to the “real” mix coming from the DAW (DAW MIX INPUT), but the talent can listen to an • 2-TRACK A output connectors alternate and special
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for professional equipment operating at the +4 dBu 2-TRACK A Level Switch standard, and use the –10 dB setting for consumer This two-position switch sets the input level of the equipment operating at the –10 dBV standard. 2-TRACK A inputs to either +4 dB (balanced input) DAW MIX Trim Control or –10 dB (unbalanced input). Use the +4 dB setting for professional equipment operating at the +4 dBu This control adjusts the input sensitivity of the standard, and use the –10 dB setting for cons
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Operation Guide For example, the DAW’s 1-2 outputs can send the MONITOR C OUTPUTS main mix to the DAW MIX inputs on Big Knob, Works as described above for the Monitor A path. and the DAW’s 3-4 outputs can send a custom head- phone mix to the DAW PHONES MIX INPUT. You MONITOR C Trim Control can then use the PHONES/STUDIO OUTS SOURCE Works as described above for the Monitor A path. button to select the mix for the PHONES and STUDIO OUTS . Note: The overall level of the MONITOR A, B, and C OU
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PHONES AMP and STUDIO OUT STUDIO OUTS The PHONES AMP and STUDIO OUTS have the Connect these stereo 1/4-inch balanced/unbalanced option of being fed signal by the currently selected connectors to a pair of active monitors (or to an INPUT SOURCE SELECT buttons (thus mirroring amplifi er and passive monitors) in the studio per- the mix being heard by the engineer) or the signal formance space. This allows the performers to hear connected to the DAW PHONES MIX INPUT con- playback without havi
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Operation Guide Appendix A: Service Information Warranty Service • If there is no sound in the PHONES or STUDIO outputs: Details concerning Warranty Service are spelled out • Make sure the PHONES/STUDIO OUTS in the Warranty section on page 19. SOURCE button on the front panel is up (INPUT SOURCES selected). If you think your Big Knob has a problem, please do • Make sure the PHONES or STUDIO everything you can to confi rm it before calling for Level control is turned up. service. Doing so
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Repair Service for Mackie products is available at our 5. Include a legible note stating your name, ship- factory, located in sunny Woodinville, Washington. ping address (no P.O. boxes), daytime phone Service for Mackie products living outside the number, RA number, and a detailed description of United States can be obtained through local dealers the problem, including how we can duplicate it. or distributors. 6. Write the RA number in BIG PRINT on top of If your Big Knob needs service, f
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Operation Guide Appendix B: Connections 1/4" TRS Phone Plugs and Jacks 1/4" TS Phone Plugs and Jacks “TRS” stands for Tip-Ring-Sleeve, the three connec- “TS” stands for Tip-Sleeve, the two connection points available on a mono 1/4" phone jack or plug. tion points available on a stereo 1/4" or balanced phone jack or plug. TRS jacks and plugs are used They are used for unbalanced signals. for balanced signals and stereo headphones: SLEEVE SLEEVE TIP Balanced Mono TIP TIP RING SLEEVE SLEEVE RING
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Appendix C: Technical Info Big Knob Specifi cations Frequency Response Rated Input Voltage Line-level Inputs and Outputs Line Inputs (+4 dB Level Setting) +0, –1 dB, 10 Hz to 50 kHz +4 dBu/+28 dBu (nominal/maximum) +0, –3 dB, 5 Hz to 100 kHz Line Inputs (–10 dB Level Setting) RIAA Equalization Deviation (Phono Input) –10 dBu/+14 dBu (nominal/maximum) ± 0.5 dB from 20 Hz to 20 kHz RIAA Input (@ 1 kHz, nominal gain) 5 mV/79 mV (nominal/maximum) Distortion (THD & IMD) Line-level Inputs to
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Operation Guide Physical Dimensions Input VU Meters 6 Segment (OL, +8 dB, 0 dB, –4 dB, –8 dB, –24 dB) Height 3.2 in/81 mm (3.5 in/89 mm with Knob) Talkback Section Width Automatic Gain Control (AGC) Range 13.5 in/343 mm ±15 dB Depth Nominal Output Level 5.9 in/150 mm +4 dBu (+4 dB output level setting) Net Weight Output Level Range 3.5 lb/ 1.6 kg Off to +10 dB Nominal Microphone Input Sensitivity LOUD Technologies Inc. is always striving to improve our prod- 80 dB SPL ucts
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Big Knob Block Diagram 18 BIG KNOB BIG KNOB VDC L (MONO) VDC VDC VDC VDC +4 DAW MIX +10 OFF TRIM L –10 dBV INPUT –10 ON OFF 0 dB +4 R VOLUME DIM STEREO ON –20 dB ON –10 MONITOR A MONO MUTE OUTPUTS R VDC VDC L (MONO) L L OFF +4 +4 +10 OFF +4 2-TRACK A ON TRIM –10 dBV –10 –10 ON –10 INPUT DAW MONITOR B R OUTPUTS OUTPUTS R R VDC VDC L L (MONO) L OFF +4 +4 ON –10 MONITOR C –10 +4 2-TRACK A 2-TRACK B +10 OFF OUTPUTS TRIM –10 dBV OUTPUTS INPUT –10 ON R R R VDC VDC RIAA L L +4 –10 L 2-TRACK B OF
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Operation Guide Big Knob Limited Warranty Please keep your sales receipt in a safe place. 4. If the Authorized Mackie Service Center is located in A. LOUD Technologies Inc. warrants all materials, workmanship another city, pack the loudspeaker in its original shipping and proper operation of this product for a period of three years carton. More information on packing can be found in the from the original date of purchase. If any defects are found Service section of this manual. in the mate
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LOUD Technologies Inc. 16220 Wood-Red Road NE Woodinville, WA 98072 USA US and Canada: 800.258.6883 Europe, Asia, Central and South America: 425.487.4333 Middle East and Africa: 31.20.654.4000 Fax: 425.487.4337 www.mackie.com E-mail: sales@mackie.com
