Gallien-krueger MB2 500 User Manual

2

MB

500

OWNER’S MANUAL

Congratulations!

Your purchase of a new Gallien-Krueger MB²
Series a
ful co
at G
and are de

noitcudortnI

customer. In ch
you now own an amplifier w

atures which will allow you to create your own

fe
di

stinct sound.

mplifier is surely the result of much care-

nsideration

allien-Krueger are pleased that you chose us,

termined that you will be a satisfied

on your part. For our part, we

oosing a MB² Series amplifier,

ith many unique

MB² SERIES

et the most out of your new purchase, please

To g
take a few minut

ou are in a hurry, we suggest you at least read

If y
th

rough the Quick Start section before setting up
your new rig. This w
give y
for reading the re

Yo
ing i
ensure that y

Included with your MB² Series Amplifier:

Power cord 1
Owner’s manual 1
W
S
O

If your M
items l
setting up your new equipment, pl
your loc

Gallien-Krueger, Inc.
2
Stockto
phone: (
fax: (
Interne
Email: info@ga

ou a few quick tips, but is not a subs

ur amplifier should have come with the follow-

tems, please check the contents of the box to

arranty card 1

afety instructions sheet 1

ne button foot switch 1

B² Series amplifier did not come with all the

isted, or if you encounter problems while

al dealer or GK as soon as possible.

ndustrial Drive

234 I

n, CA 95206

209) 234-7300

209) 234-8420

t: www.gallien-krueger.com

es to read through this manual.

ill help get you started and

titute

st of the manual.

ou have everything.

ease contact

llien.com

GK Philosophy

I have never s
way others have d
very intere

ford educated engineer who worked my

Stan
way through sch
mus

icians, I have lugged amplifiers up stairways

and into car tr

gs had to be so heavy, bulky, and hard to

thin
handle.

As the principal in
reflect my a
don’t m
facturer s’ produc
old p
Having taken our own path, GK p
unique, unm
opportunity to make an original s

Ha
years, I have learned from the story they tell.
Gallien-Krueger is a refl
has a com
the produc
are s
today w

We’ll be l

odel my designs af ter other manu-

roblems are best solved with new solutions.

ving supported my products for over thirty

till telling their story, the products we create

ill be talking to us tomorrow.

een the point in doing things the

one them. I also have not been

sted in following the latest fad. I’m a

ool as a musician. Like all

unks, always wondering why these

novator at GK, our products

ttitudes and life experiences. I

ts. Instead, I believe new and

roducts enjoy a

atched sound, allowing you every

tatement.

ection of that story, and

mitment to support that legacy. Just as

ts I created over thirty five years ago

istening,

We w
remember to always have fun!

ish you a lifetime of good playing and

Robert Gallien
Founder and President

2

MB² SERIES

C A U T I O N

RIS K OF ELE CTR IC SH OCK

DO NOT OP EN

!

!

C A U T I O N:

WA RN ING:

TO RED UC E THE R IS K O F E LE CT RI C S HO CK, D O N OT
RE MO

VE TO P C OV ER . N O USE R- SE RV IC EABL E PA RT S

INS ID E. RE

FER SE RVI CING TO Q UA LI FI ED SE RV IC E

PER SO NN EL .

TO R EDUC E T HE R ISK OF F IR E OR E LE CT RI C S HOC K,
DO N OT E

XP OS E TH IS A PP LI ANC E TO R AI N OR MO IS TU RE

The li ght nin g f las h wi th a rro w

he ad

sy mbo l, w ith in th e

eq uil at e

ra l t ri ang le, is

in te

nd ed to a ler t the us er to th e

pr ese nc e o f u

ni nsu la ted “d ang ero us v olt age ”

wi th

in th e pr odu ct i nc los ure t hat ma y b e o f

su ffi ci

en t m ag nit ude t o c ons ti tut e

a r isk of e

le cti tr ic sho ck to pe rso ns

The ex cl

am ati on p oin t wi th in a n

eq uil at e

ra l t ri ang le, is in ten ded

to a

le rt th e u ser t o t he p res enc e

of i

mp ort an t o per at ing an d

ma int e

na nce (s erv ici

ng ) i ns tru cti on s i n t he

li te

ra tur e ac com pa nyi ng the ap pli anc e.

C A U T I O N:

AT

TENTIO N:

TO PR EV ENT EL EC TR IC SH OCK , M ATC H W IDE B LAD E OF PL UG TO
WI DE

S LO T, F UL LY I NS ERT ED .

PO UR

EV IT ER LE S C HO CS EL EC TRI QU ES , I NR ODU IR E L A L AME L A

PL US LA RG E D E L A

FI CH E D AN S L A B ORN E C OR RES PO NDA NT E

DE L A P RI

SE E T P OUS ER J USQ U’ AU FO ND.

Table Of Contents

Information __________________________ 4

Safety
Qu

ick Start ________________________________ 5

Panel Controls ________________________6

Front
Re

ar Panel Features _________________________7

Sa

mple Settings ____________________________8

und Tips ________________________________9

So
In

stallation and Maintenance _________________10

Te

ch Talk _______________________________ 11

Specifications _____________________________12

*All Features and specifications are subject to change without notice

Please read the Safety Information section on page 4 and installation
instructions on page 12 before continuing.

Gallien-Krueger
2234 Industrial Drive
Stockton, CA 95206
phone: [phone]
fax: [phone]

T stnetnoC fo elba

email: [e-mail]
internet: www.gallien-krueger.com

This amp
pres
can cau

lifier is capable of producing high sound

sure levels. Continued exposure to high SPL’s

se dameage to your hearing. Always set

the volume at a safe l

protection if the u

Warning!

istening level or use hearing

nit is operated at higher levels.

3

MB² SERIES

Safety Information

Please read all enclosed safety precautions before
connecting or operating this product.

noitamrofnI ytefaS

V

erify L

MB² Series Bass am
figured for use wi
your l

120 Vol
240 Vol
UK/Austra
230 Vol
100 Vol
220 Vol
Proper AC circuit f

Co

nnecting the amplifier to a line with specifi­cations o
and fire ha
If y
require
line vol
bef

Verify AC Circuit Capacity Before Use:

The high p
require h
di

tions. To insure proper performance and avoid
potent
tion to line circuits with amperage specified “as
above”. C
other heav
lights, may cause circuit b
always a good idea to avoid using any audio equip­ment on the same AC circuit as equipment with
motors, such as air conditioners or refrigerators.
This will lessen the possibility of power vari
and e

Please refer to page 10 for more instruc­tions concerning installation.

ine Voltage and Amperage: Your new

plifier has been factory con-

th the specific line voltage for

ocation:

t/60Hz 15 A circuit for USA/Canada.
t/(50/60Hz) 10 A circuit for

lia.
t/(50/60Hz) 10 A circuit for Europe.
t/50Hz 15 A circuit for Japan.
t/50Hz 10 A circuit for Korea.

or all other countries.

ther than indicated above can create safety

zard, and may damage the amplifier.

ou have any questions about the voltage

ments for your specific model, or ab

tage in your area, contact your dealer

ore plugging the unit into a wall outlet.

ower output of your amplifier may

eavy current draw under full-load con-

ial safety hazards, we recommend connec-

onnecting to the same circuit used by

y-power devices, such as high-wattage

reakers to trip. It is

lectrical start-up noise affecting your sound.

out the

ation

AC Power Cord:

void safety hazards, use only the power cord

To a

pplied with your unit. If a replacement cord is

su
needed, make cert
compliant cord. D
be repl
certain that theAC plug is easily a
donotintend to use t
length of t
Main

Earth Grou

To prevent e
grounding plug on the power cord, or use any plug
or extension co
plug p
is p
adapter plug w

Do Not Open the Amplifier Enclosure:

There are no user serviceable parts inside this
product. Opening the amplifier enclosure may
present a shock ha
product w
enters the unit, or any m
paper c
sure, disco
source i
service s

Set

To insure pro
potential safety hazards, place the unit on a firm,
level surfa
instru
power is on.

H

M
ven tilation. Av
cold l
direct su
using in moist or high humidity areas.

BLOCK T
THE SIDES OF THE UNIT.

aced immediately. When setting up, make

ime, disconnect the plug from the AC

s Socket. Do not use an extention cord.

nding Connection:

rovided. Make certain that the AC outlet

roperly grounded as w

ill void your warranty. If liquid

lip accidentally falls inside the enclo-

nnect the unit from the AC power

mmediately and consult an authorized

tation.

up:

ce. Do not plug or unplug the

ment or speaker cable while the amplifier

eat & Ventilation:

ake sure there is s

ocations and areas that are exposed to

nlight or near heating equipment. Avoid

HE FAN VENT HOLES ON

ain to use a standard IEC
amaged power cords should

ccessible. If you

he amplifier for a considerable

lectric shock, do not remove the

rd that does not have a grounding

ell. Do not use an

ith this product.

zard. Modification to the

etal object such as a

per operation and to avoid

pac e p rovided fo r p roper

oid using in extremely hot or

NEVER

4