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Fender
®
Bass Amplification thanks you for purchasing the
Bassman
®
150 amplifier. The Bassman
®
line was designed for
players who recognize the need for a portable amplifier with
plenty of power and instinctive tone controls. The high quality,
full featured XLR output is able to send a crisp, clear signal for
live or studio use. Fender
®
Special Design Eminence
®
USA
speakers ensure that the sound is thick, natural and balanced
and will sit fat in your live or studio mix.
A. INPUT - Plug your bass in here.
B. –6dB - Reduces input sensitivity to allow cleaner response
with high-output bass guitars:
NORMAL—Full input sensitivity.
–6dB—Lower input sensitivity.
C. VOLUME - Adjusts the preamp signal level. Use together
with MASTER {N} to set the overall loudness of the
amplifier.
•
CLIP - Indicates preamp clipping. Occasional flashing
is normal when you play hard. Reduce VOLUME level
if you hear distortion when this LED is on.
•
PRE AMP SIGNAL - Indicates sufficient signal strength.
Turn up your instrument or the VOLUME level if this
LED is off when playing.
D. COMPRESSOR RATIO - Typically used to even out a
musical performance, a compressor provides a smoothing
effect between thumb and fingerstyle type attack. The
compressor control on a Bassman
®
series amplifier
determines the compressor RATIO. When a signal is loud
enough to enable the compressor to come on, the RATIO
determines how THICK the compression will be. When
turned all of the way down, the RATIO is 1:1 (off), as you
turn the control up, the RATIO increases (2:1, 3:1, 4:1) and
the sound of the compression becomes more noticeable.
The ideal setting for compression is almost inaudible to the
ear, but satisfying to the fingers (a sense of control over the
instrument).
E. CONTOUR - This feature is for scooping out the mid-range
signal, a sound typically desired for thumb style playing to
achieve a modern “hi-fi” type bass tone. Turning this knob
clock-wise increases the cut of the mid range, increasing
the scooped sound.
F. BASS - Adjusts low-frequency tone character.
G. 2-BAND SEMI-PARAMETRIC EQ - Having more control
over the mid-range frequencies is very important in
defining your bass tone. This is why your Bassman
®
comes
equipped with semi-parametric control (1 band on the
Bassman
®
100, 2 bands on the Bassman
®
150 & 250). The
Frequency knob is there to determine WHERE you would
like to adjust the sound. Level is there to determine
whether you would like that particular frequency to be
boosted or cut (+/-15 dB). Adding upper mids (and
favoring the bridge pickup on your instrument) creates a
biting tone that is great for Jazz Fusion type melodic lines.
Cutting mids allows for separation between the lows and
highs, resulting in a tone well suited for slap-style funk
H. TREBLE - Adjusts high-frequency tone character.
I. PRE/POST - Supplies the LINE OUT {L} jack with the
signal either before or after it is processed by the
amplifier’s equalization circuits.
PRE (EQ bypassed) POST (EQ active)
J. LINE LEVEL - Adjusts the output level of the LINE OUT
jack {L}.
K. GROUND LIFT - Disconnects the LINE OUT {L} ground
connection (pin-1) which may reduce hum noise in some
situations.
GROUNDED (normal) GROUND LIFTED
L. LINE OUT - This jack allows you to send signal from the
preamp section out to an external source (such as a house
mixing console or a recording device). The on board “level”
control allows for adjustment of signal strength. Use the
“Pre/Post” control to select if you would prefer the bass
signal to be affected by the EQ changes you make (post)
or before the EQ, to give an unaffected signal (pre). The
“Ground Lift” is there to eliminate buzz resulting from
connection to improperly grounded equipment.
M. MUTE - Disables all amplifier outputs except for TUNER
OUT {U}.
•
The LED flashes when MUTE is active.
N. MASTER - Adjusts the power amp signal level. Use
together with VOLUME {C} to set the overall loudness of
the amplifier.
•
PWR AMP CLIP - Indicates power amp clipping.
Reduce MASTER if you hear distortion when this LED
is on.
O. POWER - Switches the amplifier on-off. Illuminates when
the unit is powered on.
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