Mackie 528153 Owner'S Manual Download Page 2

Part No. SW1191 Rev. A  12/16

 

©2016 LOUD Technologies Inc.  All Rights Reserved.

2

Big Knob Passive Monitor Controller

Big Knob P

as

siv

e Monit

or C

ontr

oller

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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:

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.

  Only use attachments/accessories specified by the manufacturer.

10.

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

specified by the manufacturer, or sold with the 

apparatus. When a cart is used, use caution when 

moving the cart/apparatus combination to avoid injury 

from tip-over.

PORTABLE CART

WARNING

CAUTION

The lightning flash with arrowhead symbol within  

an equilateral triangle is intended to alert the user  

to the prescence of uninsulated “dangerous voltage”  

within the product’s enclosure, that may be of significant ma-

gnitude to constitute a risk of electric shock to persons.

RISK OF ELECTRIC SHOCK! DO NOT OPEN!

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT  

REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE.  

REFER SERVICING TO QUALIFIED PERSONNEL.

The exclamation point within an equilateral triangle is  

intended to alert the user of the prescence of important  

operating and maintaining (servicing) instructions in the  

literature accompanying the appliance.

WARNING — To reduce the risk of fire or electric 

shock, do not expose this apparatus to rain or moisture.

11.

 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.

12.

 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 day in 

hours

Sound Level dBA, 

Slow Response

Typical Example 

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

Laite on liitettävä suojakoskettimilla varustettuun pistorasiaan.

Apparatet må tilkoples jordet stikkontakt.

Apparaten skall anslutas till jordat uttag.

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.

Summary of Contents for 528153

Page 1: ...OWNER S MANUAL...

Page 2: ...the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 12 Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerab...

Page 3: ...this page NOW and the rest can wait until you re good and ready 1 Turn down all knobs 2 Disengage all switches 3 Plug signal sources into the Big Knob such as Audio interface Line level sources such a...

Page 4: ...ource Input B jacks may accept 1 4 inputs and an 1 8 stereo input If both inputs are connected simultaneously the 1 8 stereo line input will take priority over the 1 4 connection In this case we hooke...

Page 5: ...SLEEVE TIP TIP SLEEVE TIP SLEEVE Unbalanced 1 4 Connectors 2 1 8 Stereo Line Input The stereo line input may accept an 1 8 line level signal from a smartphone MP3 player or other signal source The Sou...

Page 6: ...n Rather the mono here is short for monophonic Pressing the mono switch combines the stereo signal into a monophonic signal at the monitor outputs The left and right input signals are summed and the m...

Page 7: ...Knob Passive Make sure all connections are secure These problems usually produce crackling noises hum or buzz Make sure the signal cable is not routed near AC cables power transformers or other EMI s...

Page 8: ...Maximum Levels All inputs 22 dBu 1 4 outputs 15 dBu Input Type Input Type Female 1 4 balanced unbalanced Female 1 8 unbalanced Output Type Output Type Female 1 4 balanced unbalanced Physical Dimensio...

Page 9: ...9 Owner s Manual Owner s Manual 5 6 142 mm 3 1 79 mm 5 4 137 mm 3 1 79 mm WEIG 2 2 lb 1 0 k WEIGHT 2 2 lb 1 0 kg BigKnobPassiveDimensions...

Page 10: ...assive Monitor Controller Big Knob Passive Monitor Controller BigKnobPassiveBlockDiagram L MONO Stereo Mono Mute Source B Inputs 1 8 3 5 mm stereo input defeats the 1 4 6 35 inputs L MONO 0 dB 20 dB D...

Page 11: ...service representative will at its option either repair or replace any such nonconforming product provided that Customer gives notice of the noncompliance within the Warranty Period to the Company at...

Page 12: ...16220 Wood Red Road NE Woodinville WA 98072 USA Phone 425 487 4333 Toll free 800 898 3211 Fax 425 487 4337 www mackie com...

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