Mackie MK-BIG-KNOB-S User Manual

4 (1)

O W N E R ’ S M A N U A L

1 (L) 2 (R)

MIN

MAX

MIN

MAX

3/4 MIC

U

-12dB +12dB

AB

-12dB

0dB

-12dB

0dB

 

MIC/LINE/INST GAIN

 

TRIM

 

 

 

TRIM

 

+48V

STEREO

 

 

 

 

 

 

 

 

PAN

 

 

 

 

 

 

 

 

INPUTS

 

2-TRACK SOURCE SELECT

 

MONITOR SELECT

 

 

 

 

 

 

PWR

 

 

 

 

 

 

 

 

USB

 

 

 

 

 

 

 

 

+48V

 

 

 

 

 

 

 

 

MAX

 

 

 

 

 

 

2TR

 

VOLUME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CUE

 

 

 

 

INPUTS

CUE

MAX

MAX

MAX

 

DIRECT

PHONES

PHONES

TALKBACK

TO

MONITORING

 

1

 

2

LEVEL

CUE

 

 

 

 

1 (L) 2 (R)

MIN

MAX

MIN

MAX

MIC/LINE/INST GAIN

AUX

SOURCE(S)

USB

MIX

3/4

CUE

SOURCE

INPUTS CUE

DIRECT

MONITORING

Big Knob Studio & Studio+ Monitor Controller | Interface

Important Safety Instructions

1.Read these instructions.  

2.Keep these instructions.

3.Heed all warnings.

4.Follow all instructions.

5.Do not use this apparatus near water.

6.Clean only with a dry cloth.

7.Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9.Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11.Only use attachments/accessories specified by the manufacturer.

12.

Use only with a cart, stand, tripod, bracket, or table specified

 

PORTABLE CART

 

by the manufacturer, or sold with the apparatus. When a

 

WARNING

 

cart is used, use caution when moving the cart/apparatus

 

 

 

13.

combination to avoid injury from tip-over.

 

 

 

 

 

 

Unplug this apparatus during lightning storms or when unused

 

 

 

 

for long periods of time.

 

 

 

14.Refer all servicing to qualified service personnel. Servicing is

required 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 fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

15.This apparatus shall not be exposed to dripping or splashing, and no object filled with liquids, such as vases or beer glasses, shall be placed on the apparatus.

16.Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock.

17.The MAINS plug or an appliance coupler is used as the disconnect device, so the disconnect device shall remain readily operable.

CAUTION AVIS

RISK OF ELECTRIC SHOCK. DO NOT OPEN

RISQUE DE CHOC ELECTRIQUE. NE PAS OUVRIR

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL

ATTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, NE PAS ENLEVER LE COUVERCLE.

AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L'USAGER.

CONFIER L'ENTRETIEN AU PERSONNEL QUALIFIE.

AVIS: POUR EVITER LES RISQUES D'INCENDIE OU D'ELECTROCUTION, N'EXPOSEZ PAS CET ARTICLE

A LA PLUIE OU A L'HUMIDITE

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure, that may be of sufficient magnitude to constitute a risk of electric shock to persons.

Le symbole éclair avec point de flèche à l'intérieur d'un triangle équilatéral est utilisé pour alerter l'utilisateur de la présence à l'intérieur du coffret de "voltage dangereux" non isolé d'ampleur suffisante pour constituer un risque d'éléctrocution.

The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

Le point d'exclamation à l'intérieur d'un triangle équilatéral est employé pour alerter les utilisateurs de la présence d'instructions importantes pour le fonctionnement et l'entretien (service) dans le livret d'instruction accompagnant l'appareil.

WARNING — To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.

Laite on liitettävä suojakoskettimilla varustettuun pistorasiaan.

Apparatet må tilkoples jordet stikkontakt.

Apparaten skall anslutas till jordat uttag.

18.This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause

harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined

by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and the receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

CAUTION: Changes or modifications to this device not expressly approved by LOUD Technologies Inc. could void the user's authority to operate the equipment under FCC rules.

19.This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. This device should be installed and operated with minimum distance 20cm between the radiator & your body.

20.This apparatus does not exceed the Class A/Class B (whichever is applicable) limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications.

ATTENTION Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant las limites applicables aux appareils numériques de class A/de class B (selon le cas) prescrites dans le réglement sur le brouillage radioélectrique édicté par les ministere des communications du Canada.

21.This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

(1)this device may not cause interference, and

(2)this device must accept any interference, including interference

that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes :

(1)l’appareil ne doit pas produire de brouillage, et

(2)l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.

22.Exposure to extremely high noise levels may cause permanent hearing loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time. The U.S. Government’s Occupational Safety and Health Administration (OSHA) has specified the permissible noise level exposures shown in the following chart.

According to OSHA, any exposure in excess of these permissible limits could result in some hearing loss. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels use hearing protectors while the equipment is in operation. Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equipment in order to prevent permanent hearing loss if exposure is in excess of the limits set forth here:

Duration, per

Sound Level dBA,

Typical Example

day in hours

Slow Response

 

8

90

Duo in small club

6

92

 

4

95

Subway Train

3

97

 

2

100

Very loud classical music

1.5

102

 

1

105

Jon screaming at Troy about deadlines

0.5

110

 

0.25 or less

115

Loudest parts at a rock concert

Correct disposal of this product: This symbol indicates that this product should not be disposed of with your household waste, according to the WEEE directive (2012/19/EU) and your national law. This product should be handed over to

an authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type

of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources. For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority, or your household waste disposal service.

2

Big Knob Studio & Studio+ Monitor Controller | Interface

Introduction

The Big Knob Studio and Big Knob Studio+ combine premium recording with the proven performance of the world’s bestselling monitor controller.

Capture world-class recordings via dual Onyx™ preamps and professional studio features like zerolatency overdubbing and built-in talkback for artist communication.

Easily select from sources – including USB playback from your DAW – and switch between studio monitors.

Only Big Knob Studio and Big Knob Studio+ ensure balanced listening levels, offering independent gain trim on all inputs and outputs.

Two separate headphone outs are available, each with separate level control. Plus, there’s even a handy front-panel input for your smartphone.

Big Knob Studio and Big Knob Studio+ are the ultimate compact studio solutions – just add monitors.

Contents

 

Important Safety Instructions...........................................................

2

Introduction......................................................................................

3

Table Of Contents.............................................................................

3

Big Knob Features.............................................................................

4

Quick Start.......................................................................................

 

4

Hookup Diagrams.............................................................................

5

A Quick Looksie at the Big Knob Studio Series...................................

7

Rear Panel Description .....................................................................

9

1. Power Connector..............................................................

9

2. Power Switch...................................................................

9

3. USB Input / Output Jack...................................................

9

4. USB Rec Src Select Switch...............................................

10

5. XLR and 1/4” Combo Inputs..........................................

10

Phantom Power..................................................................

10

6. 1/4” Source Inputs........................................................

11

7. +4 dB / –10 dB Level Switch..........................................

11

8. Aux Mix | Cue In 1/4” Inputs [Big Knob Studio+]...........

11

Internal Talkback Mic (on Top Panel)....................................

11

9. Talkback Mic XLR Input [Big Knob Studio+].....................

11

10.

Talkback Int / Ext Switch [Big Knob Studio+]................

12

11.

1/4” Footswitch Jack [Big Knob Studio+].....................

12

Outputs Overview..............................................................

12

12.

1/4” 2-Track Outputs..................................................

12

13.

+4 dB / –10 dB Level Switch........................................

13

14.

1/4” Studio/Phones Amp Outputs [Big Knob Studio+].13

15.

1/4” Monitor Outputs.................................................

13

Front Panel Description...................................................................

13

16.

1/8” Stereo Line Input ................................................

13

17.

1/4” Phones Jacks.......................................................

13

Top Panel Description......................................................................

14

18. Mic/Line/Inst Gain Knobs ...........................................

14

19. Trim Knobs ...................................................................

14

20.

+48V Phantom Power Switch [Ch.1 and 2 Only] ..........

14

21. Stereo Pan Switch [Ch.1–2] .........................................

14

22.

Input / 2-Track Source Select Buttons...........................

14

23. Cue Source Knob [Big Knob Studio+].............................

15

24.

Direct Monitoring Knob ................................................

15

25. Phones Knobs and 2-Track / Cue Switches ...................

15

26. Studio Outs On / Off Button.........................................

15

27. Studio Outs Level Knob.................................................

15

28. Input Meters.................................................................

16

29. Volume Knob [aka Big Knob]........................................

16

30. Mono Button.................................................................

16

31. Mute Button.................................................................

16

32. Dim Button...................................................................

16

33. PWR / USB / +48V LEDs.............................................

16

34.

Monitor Select Buttons..................................................

17

35. Trim Knobs....................................................................

17

36.

Talkback Level Knob......................................................

17

37.

To 2-Track Button [Big Knob Studio+]............................

17

38. To Cue Button...............................................................

17

Appendix A: Service Info.................................................................

18

Troubleshooting / Repair.....................................................

18

Appendix B: Technical Information...................................................

19

Big Knob Specifications...........................................................

19

Big Knob Dimensions..............................................................

20

Big Knob Block Diagrams........................................................

22

Big Knob Limited Warranty.............................................................

24

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Part No. SW1192 Rev. A 12/16

©2016 LOUD Technologies Inc. All Rights Reserved.

Manual Owner’s

Owner’s Manual

3

Big Knob Studio & Studio+ Monitor Controller | Interface

Big Knob Features

Professional source and monitor selection

o Choose between multiple sources and monitor pairs

o Classic Big Knob volume control

o Independent trim on all sources and monitor outs

o Mono, mute and dim functions

Flexible USB recording interface

Big Knob Studio: 2x2 Big Knob Studio+: 2x4

o Two boutique-quality Onyx mic preamps including phantom power for condenser microphones

o High-resolution recording and playback 192 kHz / 24-bit

o Cue mix allows controlled blending of direct inputs with other signals for zero-latency recording

o Choice of recording paths provide flexibility for applications like podcasting

Comprehensive feature set for professional studios

o Flexible source connections including convenient front panel 1/8" input for your smartphone

o Dual headphone outs with independent level

control (and USB and Aux source options on the Big Knob Studio+)

o Built-in talkback mic for easy communication with artists

o Flexible talkback options including

external mic input and footswitch control [Big Knob Studio+]

o Dedicated amp-driven studio output

perfect for headphone distribution system [Big Knob Studio+]

o 16-segment high-resolution input source metering

Sturdy “Built-Like-A-Tank” design

Compatible with all major DAWs on both Mac and Windows

Includes Tracktion® recording software

Quick Start

We realize that you can’t wait to hook up your Big Knob Studio / Studio+ and try it out. Nevertheless, please take the time to read this page NOW, and the rest can wait until you’re good and ready.

1.PC users: install the latest driver. Mac users: no driver required.

2.Turn down all knobs.

3.Disengage all switches.

4.Plug signal sources into the Big Knob, such as:

Microphones plugged into the mic inputs. (Engage phantom power if needed.)

Line-level sources such as keyboards, drum machines, or MP3 players plugged into the line-level inputs.

Other stereo playback devices.

5.Connect cords from the monitor outs to powered speakers (or to an amplifier connected to passive speakers).

6.Push the USB cable securely into the Big Knob’s USB connector and plug the other end into any open USB slot of the computer.

7.Push the threaded end of the power supply connector securely into the Big Knob’s connector and rotate clockwise to lock. Plug the other end into a live AC outlet.

8.Turn the Big Knob on. Turn the powered studio monitors (or amplifiers) on. Turn the computer on.

9.Be sure that the volume of the input is the same as it would be during normal use.

10.Engage the desired input source select and monitor select switches.

11.Slowly bring up the volume knob to a comfortable listening level.

Please write your serial number here for future reference (i.e., insurance claims, tech support, return authorization, make dad proud, etc.)

Purchased at:

Date of purchase:

4

Big Knob Studio & Studio+ Monitor Controller | Interface

Big Knob Studio Hookup Diagram

DAW

USB

 

 

 

2-TRACK

 

REC SRC

 

 

+4dB

+4dB

 

SELECT

 

 

-10dB

10dB

 

2-TRACK

 

 

 

 

 

INPUTS 1/2

 

L

 

L

 

+18VDC

 

 

 

(MONO)

POWER

 

 

 

 

1.5A

 

 

 

 

 

 

R

R

 

R

 

 

BAL / UNBAL

BAL / UNBAL

BAL

BAL / UNBAL

 

 

 

OUTPUTS

 

SOURCE

STEREO IN

1

2

 

 

 

3/4

 

 

 

 

 

 

Owner’s

1(L)

Manual

2(R)

 

INPUTS

Don’t be fooled...while the Big Knob Studio+ may have a few more bells and whistles, the Big Knob Studio is no slouch! It, too, is packed with a ton of great features as outlined on the previous page. After you’ve found a good home for the Big Knob Studio, it’s time to make all the connections.

In this example, a microphone is connected to XLR input 1 (L) and a guitar to 1/4" input 2 (R). The Source Input 3/4 jacks may accept 1/4" inputs (on the rear panel) and an 1/8" stereo input

(on the front panel). They may be connected simultaneously, but not used simultaneously. If both inputs have connections, the 1/8” stereo line input will take priority over the 1/4” inputs. Here

we hooked up a 2-track player to the 1/4" inputs and a smartphone to the 1/8" stereo line input jack.

The output section is as straightforward as the input section. Here we connected a pair of XR Series studio monitors to the Mon Output A L/R jacks and a pair of MR Series studio monitors

to the Mon Output B L/R jacks. Additionally, two sets of headphones are connected to the two phones outputs on the Big Knob Studio’s front panel and the 2-Track L/R output jacks are connected to the mixer’s 1/4” L/R line input jacks. Lastly, a computer installed with your favorite DAW is connected to the USB port on the rear panel.

Now that connections have been made, the fun begins! The top panel has a variety of switches, buttons and something else...what was it? Oh yeah, a BIG knob, dead center! These allow you to select between the inputs, outputs, set levels and more. Descriptions of the Big Knob Studio features starts

on page 9.

Typical Big Knob Studio Setup

Owner’s Manual

5

Big Knob Studio & Studio+ Monitor Controller | Interface

Big Knob Studio+ Hookup Diagram

DAW

 

USB

 

 

 

 

 

STUDIO/

2-TRACK

AUX

 

3/4

1(L)

 

REC SRC

C

B

 

A

PHONES

+4dB

MIX

 

 

 

 

 

SELECT

 

 

 

 

AMP

-10dB

 

10dB

 

 

 

 

 

 

 

 

 

 

INT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXT

 

 

 

 

 

2-TRACK

 

 

 

 

 

 

 

 

 

 

 

 

INPUTS 1/2

 

 

 

 

L

L

 

L

 

2(R)

 

 

+18VDC

 

 

 

 

 

MIC

 

(MONO)

 

POWER

 

 

 

 

 

 

 

 

 

 

1.5A

 

 

 

 

 

 

 

 

 

 

 

 

 

R

R

 

 

R

 

R

 

 

 

 

 

BAL / UNBAL

BAL / UNBAL

BAL /

 

 

FOOTSWITCH

BAL /

BAL / UNBAL

BAL /

 

 

 

 

 

 

 

 

 

TALKBACK

CUE IN

SOURCES

INPUTS

STEREO IN

1

2

5/6

The Big Knob Studio+ is similar to the Big Knob Studio, but with a few more bells and whistles. No time to waste, let’s get started! In this example, a microphone is connected to XLR input 1 (L) and a guitar to 1/4" input 2 (R). The Source Input 3/4 jacks are connected to an external mixer’s Control Room (CR) output jacks, playing whatever sounds / sources are fed into the mixer. Likewise, the Cue In (Aux Mix) jacks are connected to the same mixer’s Alt 3/4 output jacks.

Continuing on, the Source Input 5/6 jacks may accept 1/4" inputs (on the rear panel) and an 1/8" stereo input (on the front panel). They may be connected simultaneously, but not used simultaneously. If both inputs have connections, the 1/8” stereo line input will take priority over the 1/4” inputs. Here we hooked up a 2-track player to the 1/4" inputs and a smartphone to the 1/8" stereo line input jack.

Now onto the output section. Here we connected a pair of XR Series studio monitors to the Mon Output A L/R jacks, a pair of MR Series studio monitors to the Mon Output B L/R jacks and an MRS10 subwoofer to Mon Output C L/R jacks. A headphone amp with multiple sets of headphones is connected to the Studio / Phones Amp L/R output jacks. Additionally, two sets of headphones are connected to the two phones outputs on the Big Knob Studio+’s front panel.

The 2-Track L/R output jacks are connected to the mixer’s 1/4" L/R line input jacks so signal may now be sent back and forth between the Big Knob Studio+ and mixer! Lastly, a computer installed with your favorite DAW is connected to the USB port on the rear panel.

Now that connections have been made, the fun begins! The top panel has a variety of switches, buttons and something else...what was it? Oh yeah, a BIG knob, dead center! These allow you to select between the inputs, outputs, set levels and more. Descriptions of the Big Knob Studio+ features starts on page 9.

Typical Big Knob Studio+ Setup

6

Big Knob Studio & Studio+ Monitor Controller | Interface

Big Knob Studio

 

USB

 

MONITOR

MONITOR

2-TRACK

3/4

1(L)

 

REC SRC

B

A

+4dB

+4dB

 

 

 

 

 

 

SELECT

 

 

-10dB

-10dB

 

 

 

2-TRACK

 

 

 

 

 

 

 

INPUTS 1/2

L

L

L

L

2(R)

 

 

+18VDC

 

 

 

(MONO)

POWER

 

 

 

 

 

 

 

1.5A

 

 

 

 

 

R

R

R

R

 

BAL / UNBAL

BAL / UNBAL

BAL / UNBAL

BAL / UNBAL

 

 

OUTPUTS

 

SOURCE

INPUTS

Manual Owner’s

STEREO IN

1

2

3/4

 

 

 

1 (L)

 

2 (R)

 

3/4

 

MIC

 

A

 

B

 

 

 

 

 

U

 

 

 

 

 

 

MIN

MAX

MIN

MAX

 

-12dB

+12dB

 

-12dB

0dB

-12dB

0dB

 

MIC/LINE/INST GAIN

 

TRIM

 

 

 

TRIM

 

+48V

STEREO

 

 

 

 

 

 

 

 

 

 

 

PAN

 

 

 

 

 

 

 

 

 

 

 

 

INPUTS

 

2-TRACK SOURCE SELECT

 

MONITOR SELECT

 

 

 

 

 

 

 

 

PWR

 

 

 

 

 

 

 

 

 

 

 

USB

 

 

 

 

 

 

 

 

 

 

 

+48V

 

 

 

 

 

 

 

 

 

 

 

MAX

 

 

 

 

 

 

 

 

 

2TR

 

VOLUME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CUE

 

 

 

 

 

INPUTS

CUE

 

 

MAX

MAX

MAX

 

 

DIRECT

 

 

PHONES

PHONES

TALKBACK

 

TO

MONITORING

 

 

 

 

 

 

1

 

2

LEVEL

 

CUE

 

 

 

 

 

 

 

Owner’s Manual

7

Mackie MK-BIG-KNOB-S User Manual

Big Knob Studio & Studio+ Monitor Controller | Interface

Big Knob Studio+

USB REC SRC

MONITOR

MONITOR

MONITOR

STUDIO/

2-TRACK

AUX

5/6

3/4

1(L)

C

B

A

PHONES

+4dB

MIX

+4dB

 

 

SELECT

 

 

 

AMP

-10dB

 

-10dB

 

 

 

 

 

 

 

 

 

 

INT

 

 

 

 

 

 

 

 

 

 

 

EXT

 

 

 

 

2-TRACK

 

 

 

 

 

 

 

 

 

 

 

INPUTS 1/2

L

L

L

L

L

MIC

L

L

L

2(R)

 

+18VDC

 

 

 

 

 

(MONO)

(MONO)

(MONO)

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.5A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

R

R

R

R

 

R

R

R

 

 

 

BAL / UNBAL

BAL / UNBAL

BAL / UNBAL

BAL / UNBAL

BAL / UNBAL

FOOTSWITCH

BAL / UNBAL

BAL / UNBAL

BAL / UNBAL

 

OUTPUTS

TALKBACK

CUE IN

SOURCES

INPUTS

STEREO IN

1

2

5/6

 

1 (L)

 

 

2 (R)

MIN

MAX

MIN

MAX

 

MIC/LINE/INST GAIN

AUX

SOURCE(S) USB

 

 

MIX

 

3/4

 

 

 

CUE

 

 

 

 

SOURCE

 

 

INPUTS

CUE

 

 

 

DIRECT

 

 

MONITORING

 

 

8

Big Knob Studio & Studio+ Monitor Controller | Interface

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