Service Manuals, User Guides, Schematic Diagrams or docs for : GALLIEN-KRUEGER MB 500 mb_500
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MB 500
OWNER'S MANUAL
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MB 500
Congratulations!
Your purchase of a new Gallien-Krueger MB
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 determined that you will be a satisfied
Introduction
customer. In choosing a MB Series amplifier, you
now own an amplifier with many unique features
which will allow you to create your own distinct
sound.
To get the most out of your new purchase, please GK Philosophy
take a few minutes to read through this manual. I have never seen the point in doing things
If you are in a hurry, we suggest you at least read the way others have done them. I also have not
through the Quick Start section before setting up been very interested in following the latest fad.
your new rig. This will help get you started and I'm a Stanford educated engineer who worked
give you a few quick tips, but is not a substitute my way through school as a musician. Like all
for reading the rest of the manual. musicians, I have lugged amplifiers up stairways
and into car trunks, always wondering why these
Your amplifier should have come with the things had to be so heavy, bulky, and hard to
following items, please check the contents of the handle.
box to ensure that you have everything. As the principal innovator at GK, our
products reflect my attitudes and life
Included with your MB 500 Amplifier: experiences. I don't model my designs after
other manufacturers' products. Instead, I
Power cord 1 believe new and old problems are best solved with
Owner's manual 1 new solutions. Having taken our own path, GK
Warranty card (US only) 1 products enjoy a unique, unmatched sound,
Safety instructions sheet 1 allowing you every opportunity to make an
One button foot switch 1 original statement.
Having supported my products for over
If your MB Series amplifier did not come with all the thirty years, I have learned from the story they tell.
items listed, or if you encounter problems while Gallien-Krueger is a reflection of that story, and
setting up your new equipment, please contact has a commitment to support that legacy. Just as
your local dealer or GK as soon as possible. the products I created over thirty five years ago
are still telling their story, the products we create
Gallien-Krueger, Inc. today will be talking to us tomorrow.
2234 Industrial Drive
Stockton, CA 95206 We'll be listening,
phone: (209) 234-7300
fax: (209) 234-8420
Internet: www.gallien-krueger.com
Email: [email protected]
Robert Gallien
We wish you a lifetime of good playing and Founder and President
remember to always have fun!
2
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MB 500
Table Of Contents
Safety Information __________________________ 4
Quick Start ________________________________ 5
Front Panel Controls ________________________6
Table of Contents
Rear Panel Features _________________________7
Sample Settings ____________________________8
Sound Tips ________________________________9
Installation and Maintenance _________________10
Tech Talk _______________________________ 11
Speci cations _____________________________12
*All Features and speci cations 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: 209.234.7300
fax: 209.234.8420
email: [email protected]
internet: www.gallien-krueger.com
Warning!
This amplifier is 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.
!
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: 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
PERSONNEL.
The lightning flash with arrow The exclamation point within an
!
head symbol, within the equilateral triangle, is intended
equilateral triangle, is to alert the user to the presence
intended to alert the user to the of important operating and
presence of uninsulated "dangerous voltage" maintenance (servicing) instructions in the
within the product inclosure that may be of literature accompanying the appliance.
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 risk of electitric shock to persons
WA R N I N G : 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
C A U T I O N : 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 .
ATTENTION: 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
PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE
DE LA PRISE ET POUSER JUSQU'AU FOND.
3
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MB 500
Safety Information AC Power Cord:
To avoid safety hazards, use only the power cord
Please read all enclosed safety precautions before supplied with your unit. If a replacement cord is
connecting or operating this product. needed, make certain to use a standard IEC
Safety Information
compliant cord. Damaged power cords should be
Verify Line Voltage and Amperage replaced immediately. When setting up, make
Your amplifier has been factory configured for use certain that the AC plug is easily accessible. If you do
with the specific line voltage for your location only.
For example, units set to operate within countries that not intend to use the amplifier for a considerable
supply 100-120 volt electrical service are not length of time, disconnect the plug from the AC
compatible with 230-240 volt systems used in other
countries. Mains Socket. Do not use an extention cord.
120 Volt/60Hz 15 amp circuit for the USA and
Canada. Earth Grounding Connection:
230 Volt/(50/60Hz) 10 amp circuit for the UK and
Australia. To prevent electric shock, do not remove the
230 Volt/(50/60Hz) 10 amp circuit for Europe. grounding plug on the power cord, or use any plug or
100 Volt/50Hz 15 amp circuit for Japan.
220 Volt/50Hz 10 amp circuit for Korea. extension cord that does not have a grounding plug
Proper AC circuit for all other countries. provided. Make certain that the AC outlet is
properly grounded as well. Do not use an adapter
Connecting the amplifier to a line with plug with this product.
specifications other than indicated above can create
safety and fire hazard, and may damage the Do Not Open the Amplifier Enclosure:
amplifier. If you have any questions about the There are no user serviceable parts inside this
voltage requirements for your specific model, or product. Opening the amplifier enclosure may
about the line voltage in your area, contact your present a shock hazard. Modification to the product
dealer before plugging the unit into a wall outlet. will void your warranty. If liquid enters the unit,
or any metal object such as a paper clip
Verify AC Circuit Capacity Before Use: accidentally falls inside the enclosure, disconnect
The high power output of your amplifier may the unit from the AC power source immediately and
require heavy current draw under full-load consult an authorized service station.
conditions. To insure proper performance and
avoid potential safety hazards, we recommend Setup:
connection to line circuits with amperage specified To insure proper operation and to avoid potential
"as above". Connecting to the same circuit used safety hazards, place the unit on a firm, level surface.
by other heavy-power devices, such as Do not plug or unplug the instrument or speaker
high-wattage lights, may cause circuit breakers to cable while the amplifier power is on.
trip. It is always a good idea to avoid using any audio
equipment on the same AC circuit as equipment with Heat & Ventilation:
motors, such as air conditioners or refrigerators. This Make sure there is space provided for proper
will lessen the possibility of power variation and ventilation. Avoid using in extremely hot or cold
electrical start-up noise affecting your sound. locations and areas that are exposed to direct
sunlight or near heating equipment. Avoid using in
Please refer to page 10 for more moist or high humidity areas. NEVER BLOCK
instructions concerning installation. THE FAN VENT HOLES ON THE SIDES
OF THE UNIT.
4
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MB 500
Quick Start
The MB 500 amplifier is designed to be simple to operate. All controls have a well defined purpose.
These directions will take you through the basics and give you a good start for setting up your sound.
1. Plug it in:
Quick Start
Set the power switch to Off and connect the supplied power cord, from the amplifier AC receptacle, to
an AC power outlet of proper voltage and power rating (see safety information on page 5 for details).
2. Connect your cabinets:
Connect your speaker cabinets to the amplifier outputs marked Speaker. Use a two conductor or the
GK 4 conductor Speakon cable only.
Maximum Recommended Speaker Loads:
One 4 Ohm, or two 8 Ohm cabinets.
3. Initial front panel control settings:
Set all EQ controls and contour knob to 12 o'clock. Set the Input Volume, Master and Master B
controls at 0. The Boost knob should be set to 12 o' clock and the boost button (between Boost and
Master B konbs) in the out position.
4. Plug in your bass:
Using an instrument (shielded) cable, connect your bass to the Input jack and press the power switch
on. If you have active tone controls on your bass, turn all of the controls to the middle or flat position
and turn the volume all the way up. If you have conventional, passive tone controls, turn all tone and
volume controls all the way up.
5. Level and Master Volume settings:
Set the Master Volume to 3 o'clock. Turn the Input Volume knob up as you play to the desired output
level. If the clip light (pad button) flashes more than occasionally, press the -10db pad button in and
turn the Input Volume knob up. If it is still lighting often, try turning the volume down on your bass.
6. Boost/Master B:
Engage the button located between the Boost and Master B knobs. This will activate the Boost section
of the pre amp. This can also be done with the included foot switch. Turn up the Master B knob to the
desired volume level.*
You should be hearing your bass quite well through the Master and Master B channels. At this point
you can experiment with different EQ, Contour and Boost settings. Various sample settings can also be
found on page 8.
* It is recommended that the limiter is used for during high volume applications.
5
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MB 500
15
INPUT POWER
-10dB MUTE GAIN CONTOUR TREBLE HI-MID LOW-MID BASS BOOST MASTER-B MASTER
Front Panel Features
OFF OFF OFF
ON ON ON
OFF
ON
CLIP
G.I.V.E
MB 500
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Front Panel Features
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