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Ibanez IJMB15 User Manual

Ibanez ijmb15: user guide.
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Maintenance
IIbanez steel string models are equipped with adjustable truss rods. The purpose
The output level of the instrument as well
Our congratulations and deepest thanks on making
of a truss rod is to adjust the neck to counteract string tension. There are many
as the quality of the signal can be affected
Ibanez your choice of instrument. Ibanez standards
reasons for truss rod adjustments. One of the most frequent reasons is changing
by the pickup height. Pickup height should
string gauges or tuning pitch which can affect string tension. String tension
be adjusted until the volume of neck and
are second to none. All Ibanez instruments are set up
changes may affect the string height and cause fret buzz or incorrect notes. To
bridge pickups are almost equal with both
to our strict quality control standards before shipping.
adjust the truss rod, locate the truss rod nut and adjust it by inserting the correct
volumes wide open. The volume may drop
wrench into the nut and tightening (clockwise) or loosening (counter clockwise)
drastically if the pickup height is too low.
The purpose of this manual is to explain how to
the rod. Truss rod tension can be measured by installing a capo at the first fret,
As the pickups are magnetic, fret buzzing
maintain your instrument's finish and to keep your
holding the string down at the
and distortion may occur if the pickup is too
fret position where the neck
close to the strings. Use a small
LOOSEN
guitar playing as well as it did when it left our factory.
TIGHTEN
LOOSEN
joins the body. Insert a thickness
screwdriver to make adjustments to raise
TIGHTEN
gauge between the string and
or lower the pickup.
the fret at the 8th fret. There
*Instruments that have adjustable pole pieces can be adjusted to balance the output of each string.
should be between 0.3 mm to
0.5 mm clearance. That
Regular cleaning of your bass is
clearance is referred to as "neck
one of the most important ways
relief" Too much neck relief can
you can maintain the finish and
BATTERY
cause the neck to have higher
lengthen string life. After playing,
action in the middle of the neck
wipe down your instrument to
causing poor intonation and
The battery should be changed when the
remove any perspiration from the
LOOSEN
uncomfortable playability. No
volume becomes weak or the sound becomes
instrument. Perspiration can
neck relief can cause fret buzz.
distorted. Use a new 9-volt alkaline (not
actually contain acids that can be
TIGHTEN
lithium or carbon) battery. The battery is
corrosive to the strings and metal parts of the bass. Gloss finish basses should be
*Appropriate care must be taken when
adjusting the neck and we recommend only
stored inside battery cavity or control cavity.
polished with polish formulated specifically for musical instruments, and a soft
qualified technicians perform this procedure.
treated guitar cloth or a cotton rag. Abrasive rags such as polyester can scratch
Inserting a plug into the jack activates the
the finish. Oil finished basses should be wiped clean immediately after playing
power supply. Be sure to disconnect the cord
with a dry cotton rag only. If your bass has become discolored due to extended
when the bass is not in use; this will prevent
0.3~0.5mm
use or heavy perspiration, factory appearance, see a qualified bass repair person
the battery from draining.
about methods to restore the oil finish to its original factory appearance.
8TH FRET
TREBLE SIDE
BASS SIDE
If strings become dirty, discolored, or
IIbanez bass string action is set at
Solid Guitars
1.5mm
2.0mm
produce a dull sound or buzz, replace
the factory. However, there are
Full Acoustic Guitars
1.7mm
2.3mm
the strings with new ones. For best
many reasons that an instrument's
Basses
2.0mm
2.5mm
results we recommend replacing one
string height can change.
string at a time, this will help to avoid
Instruments can be affected by changes in temperature
removing the string tension from the
and moisture. High string action can make the guitar
neck. When replacing strings with
difficult to play. If the string action is too low, fret buzz or
different gauge strings, it may be
unclear notes can occur. To remedy this, follow the
necessary to adjust the truss rod
instructions for the particular type of bridge installed. In
tension. (We recommend only
the case of string action, make sure the guitar is in tune
qualified technicians perform this.)
and the truss rod is adjusted properly. Ibanez action is set
Ibanez basses are factory equipped
to 2.0mm for treble side and 2.5mm for bass side at the
with the following string gauges. Please follow the
12th fret. The action may also need to be readjusted after
3
instructions below for your particular model. The strings
the neck is adjusted or strings are changed to a different gauge. Follow the
2
should be tightly wound on to the tuning machines from
instructions in the relevant bridge manual to make adjustments.
top to bottom with 2 to 3 string wraps around the post. In
*If strings other than those described above are used, gradually increase the action clearance from the treble side
case of tuning machines, where the string ends are
through to the bass side.
inserted into the posts, the string can be cut to length in
advance using a pair of string cutters. If the tuning
1
machines are sealed gear units, they are self-lubricating
types. The set screws for the tuning knob are adjustment
Intonation adjustment is
screws that can be tightened with a small Phillips head
the operation of adjusting
TIGHTEN
screwdriver to increase the tension.
the location of the string at
*The use of coarse strings may lead to buzzing and sound distortion. Using strings
the saddle to compensate
that have twists or kinds may cause buzzing or decreased sustain. Make sure
INSTRUCTION MANUAL
for different tuning. Follow
that the strings are smooth and free from any defects before installing.
the instructions of the
STRING GAUGES
LOOSEN
particular bridge intonation
Solid and Semi Acoustic Guitars
.009-.042"
below. Intonation is
Full Acoustic Guitars
.013-.054" Flat Wound
4 String Basses
.045-.105"
properly set when the 12th fret note and the 12th fret harmonic are exactly the
5 String Basses
.045-.105 + .130"
same note. This is the center point of the scale and the most accurate way of
setting a standard scale length. With the harmonic note as the standard, if the
TIGHTEN
fretted note is flat move the bridge saddle forward toward the headstock (a) to
decrease the string length. If the fretted note is sharp, move it back away from
the headstock (b) to increase the string length intonation adjustments.
This is to certify that the aforementioned equipments fully
conform to protection requirements of the following EC
*Please note that strings can be broken when the saddle is moved, so always loosen the strings before
LOOSEN
making adjustment.
PRINTED IN KOREA 04001NOV
© 2004

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  • Page 1

    Ibanez action is set Ibanez basses are factory equipped to 2.0mm for treble side and 2.5mm for bass side at the with the following string gauges.

  • Page 2

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