2
MicroBass-III Series
Congratulations
Your purchase of a new Gallien-Krueger MicroBass-
III Series Amplifier is surely the result of much
careful consideration on your part. For our part,
we at Gallien-Krueger are pleased that you chose
us and are confident that you will be a satisfied
customer. In choosing an MB Series product, you
own a unit with many unique features, which will
allow you to create your own distinct sound.
To get the most out of your new purchase please
take a few minutes to read through this manual.
If you are in a hurry, we suggest you at least read
through the Quick Start and Safety Information
sections before setting up your new rig. This will
help get you started and give you a few quick tips,
but is not a substitute for reading the rest of the
manual.
Your amplifier should have come with the follow-
ing items, please check the contents of the box to
ensure that you have everything.
Included with your MB Series product:
Power
Cord
1
Owner’s
Manual
1
Warranty
Card 1
Safety Instructions Sheet
1
Table Of Contents
Safety
Information
3
GK Philosophy
4
Setup & Quickstart
5
Front Panel Controls
6
Rear Panel Controls
7
Internal/External Speakers
7
Sample Settings
8
Sound Advice
9
Tech
Talk
10
Specifications
12
Warning!
Our amplifiers are capable of producing high
sound pressure levels. Continued exposure to
high SPL’s can cause damage to your hearing.
Always set the volume at a safe listening level or
use hearing protection if the unit is operated at
higher levels.
T
a
ble Of Contents
C A U T I O N
R I S K O F E L E C T R I C S H O C K
R I S K O F E L E C T R I C S H O C K
D O N O T O P E N
D O N O T O P E N
!
!
C A U T I O N :
WA R N I N G :
WA R N I N G :
TO R E D U C E T H E R I S K O F E L E C T R I C S H O C K , D O N O T
R E M O V E TO P C O V E R . N O U S E R - S E RV I C E A B L E PA RT S
I N S I D E . R E F E R S E RV I C I N G TO Q U A L I F I E D S E RV I C E
P E R S O N N E L .
TO R E D U C E T H E R I S K O F F I R E O R E L E C T R I C S H O C K ,
D O N O T E X P O S E T H I S A P P L I A N C E TO R A I N O R M O I S T U R E
T h e l i g h t n i n g f l a s h w i t h a r r o w
h e a d s y m b o l , w i t h i n t h e
e q u i l a t e r a l t r i a n g l e , i s
i n t e n d e d t o a l e r t t h e u s e r t o t h e
p r e s e n c e o f u n i n s u l a t e d “ d a n g e r o u s v o l t a g e ”
w i t h i n t h e p r o d u c t i n c l o s u r e t h a t m a y b e o f
s u ff i c i e n t m a g n i t u d e t o c o n s t i t u t e
a r i s k o f e l e c t i t r i c s h o c k t o p e r s o n s
T h e e x c l a m a t i o n p o i n t w i t h i n a n
e q u i l a t e r a l t r i a n g l e , i s i n t e n d e d
t o a l e r t t h e u s e r t o t h e p r e s e n c e
o f i m p o r t a n t o p e r a t i n g a n d
m a i n t e n a n c e ( s e r v i c i n g ) i n s t r u c t i o n s i n t h e
l i t e r a t u r e a c c o m p a n y i n g t h e a p p l i a n c e .
C A U T I O N :
ATTENTION:
TO P R E V E N T E L E C T R I C S H O C K , M AT C H W I D E B L A D E O F P L U G TO
W I D E S L O T, F U L LY I N S E RT E D .
P O U R E V I T E R L E S C H O C S E L E C T R I Q U E S , I N R O D U I R E L A L A M E L A
P L U S L A R G E D E L A F I C H E D A N S L A B O R N E C O R R E S P O N D A N T E
D E L A P R I S E E T P O U S E R J U S Q U ’ A U F O N D .
