 
THE TAKAMINE N4B PREAMP
THE BASICS OF SOUND CONTROL.
N4B FEATURES
The 'Easy-Out' Battery Compartment
makes changing the 9-volt battery simple. By
releasing the 'latch' on the top of the
compartment cover, the battery case slides out
by grabbing the 'finger grips' on either side
the cover. Position the 9-volt battery in the
case as indicated by the + symbol, (on the latch
side of the battery case).
The Battery Check Switch
allows the player to quickly test the available
'power' of the user-installed 9-volt battery.
The Battery Check Indicator Light
will illuminate once the Battery Check switch is
depressed. The indicator light will glow
brightly when the battery is fully-charged or
new. This light will become noticeably dimmer as
the battery's charge grows weak, thereby
alerting the player that it is time to change
the battery.
Guitar output volume is controlled by the
Gain slider. The guitar volume
is off when the slider is positioned all the way
to the zero position. Desired guitar volume can
be easily adjusted by the player - even when
playing - by the sliding the Gain
knob up or down.
Tone adjustment for the N4B is divided into
the three most desired ranges for acoustic
guitar sound control: Treble,
Middle, and Bass.
Each of these sliders allow the player to
increase, or decrease each frequency range (or
shelf) 5 decibels, to 'color' the sound, or to
help control feedback problems. The center of
each slider is the 'zero point', and the user
will hear no change in tone at this setting. By
sliding each knob towards the +5 position, the
tonal range (Treble,
Middle, or Bass) will
be enhanced respectively. By decreasing each
knob towards the -5 position, each range will be
reduced similarly. For best sound performance,
it is advised to think 'subtractively' when
adjusting guitar tone. This means reducing the
tone(s) that you do not desire first, then
enhancing the tone(s) you do want from there. If
all sliders are positioned on the minus (-) side
of the zero point, this will make your output
signal weaker. Conversely, if all sliders are
positioned on the plus (+) side of zero, this
will increase your output signal. Sliders pushed
all the way to the +5 position may cause some
sound distortion. Try to balance your chosen
slider settings above and below the zero point.
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