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ARD

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PR

ODUC

T INFORM

ATION

M

odel _________________________________ S

er

ial Number _________________________

Da

te of P

ur

chase_________________________(mm/dd/y

yy

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DEALER INFORM

ATION  

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ge __________________________________  *S

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ccupa
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WHERE DO 

YOU PL

AY 

YOUR INSTR

UMENT?

 

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er

for

ming M

usician

 

 

School / S

tuden

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oom / E

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1. 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 dry cloth;

7) Install in accordance with the manufacturer’s instructions;

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

produce heat;

9) Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where 

they exit from the apparatus;

10) Only use attachments/accessories specified by the manufacturer;

11) Unplug this apparatus during lightning storms or when unused for long periods of time;

12) Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, 

such as when the power-supply cord or plug is damaged, liquid has been spilled or objects have fallen

into the apparatus, or when the apparatus has been exposed to rain or moisture, does not operate normally, or has been 

dropped;

13) “Warning: to reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture; and objects filled with 

liquids, such as vases, should not be placed on this apparatus”;

14) The socket outlet shall be installed near the equipment and shall be easily accessible;

15) The power cord must be unplugged prior to servicing.

1. PRÉCAUTIONS D’EMPLOI

1) Lire ces instructions;

2) Conserver ces instructions;

3) Suivre tous les conseils d’utilisations;

4) Suivre toutes les instructions;

5) Ne pas utiliser cet appareil au bord de l’eau;

6) Nettoyer uniquement avec un chiffon humide;

7) Ne pas bloquer le système de ventilation. Installer conformément aux instructions du fabricant;

8) Ne pas installer l’appareil près d’une source de chaleur tel qu’un radiateur, un fourneau, ou bien un autre appareil qui produit 

de la chaleur;

9) Protéger le cordon d’alimentation afin qu’il ne soit pas piétiné ou écrasé tout particulièrement au niveau des fiches, des prises 

de courant femelles, et des parties qui sortent de l’appareil;

10) Utiliser uniquement les accessoires recommendés par le fabricant;

11) Ne pas branché l’appareil en cas d’orage accompagné d’éclairs. Le débrancher en cas de non utilisation prolongée;

12) S’adresser à un service assistance agréé si l’appareil a subi des dommages, si le cordon d’alimentation ou la fiche a été 

endommagé, si un liquide a été renversé sur l’appareil ou bien si un object est tombé dans l’appareil,

si ce dernier a été exposé à la pluie ou à l’humidité, s’il ne fonctionne pas correctement ou s’il est tombé;

13) “Avertissant: pour réduire le risque du feu ou de décharge électrique, n’exposez pas cet appareil à la pluie ou l’humidité et les 

objets remplis de liquides; tels que des vases, ne devraient pas être placés sur cet appareil”;

14) La prise de courant doit être installée près de l’appareil et doit être facilement accessible;

15) La fiche principale doit être débranchée avant toute opération d’entretien.

MORE INFORMATION

For warranty and service information, please contact your local Markbass distributor (contact information available at 

www.markbass.it). For more technical information, please visit us at www.markbass.it and fill out the form on the

Contact Us page. We hope you enjoy your effect pedal and use it to make great music!

“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 

enclosure that may be of sufficient magnitude 

to constitute a risk of shock to persons.”

“The exclamation point within an equilateral 

triangle is intended to alert the user 

to the presence of important operating and 

maintenance (servicing) instructions

in the literature accompanying the product.”

FUNCTIONS OVERVIEW

LEVEL BOOST (1) - 

This control increases your instrument’s volume without changing 

its sound (from 0dB to 20dB ), which is very useful for solos and any time you need to 

boost your signal without distortion.

7-BAND GRAPHIC EQ  (2) – 

This allows you to modify the tone of your instrument, 

from subtle tweaks to more extreme adjustments. The 7 frequency bands were 

specifically chosen because they are the ones most commonly used to tailor bass tone.

BOOST SWITCH* (3) - 

The LED on the slider level 

indicates that the boost is engaged.

EQ SWITCH* (4) - 

The LEDs on sliders indicates 

that the EQ is activated.

*TRUE BYPASS

TRUE BYPASS - 

When the pedal’s controls are ‘off’, 

your signal goes directly from the input jack to the 

output jack without any degradation of audio 

quality.

CONNECTIONS

1/4” INPUT JACK (connects to your instrument) 

(5) - 

Make sure that your amp is off and the 

volume is turned down before making 

connections. Connect your instrument to the 

input of the MB7 Booster and the output of the MB7 Booster to your amplifier.

1/4” OUPUT JACK (connects to your amplifier) (6)

DC IN (7) - 

External power supply connection: +9/+12VDC  

STANDARD 9V BATTERY COMPARTMENT (8) - 

Use a Phillips screwdriver to unscrew 

the two screws to access the 9V battery compartment on the bottom side of the pedal.

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