Crate Amplifiers BFX100 User Manual
DSP
BFX100
OWNER’S MANUAL
BFX100
BASS AMPLIFIER
WITH
DIGITAL SIGNAL
PROCESSING
Congratulations!
You are now the proud owner of the portable and powerful Crate BFX100 Bass
Amplifier with Digital Signal Processing. The BFX100 offers a wide selection of digital effects designed especially for the bass guitar, each of which are easily accessed
with a simple turn of a control knob. (No programmer’s degree required!) The BFX100
boasts an improved cabinet design with a front port, an extended range bass driver,
an extremely clean power amp and very flexible tone circuitry. The balanced line out
jack has a level control for the best signal match to a recording console or live P Asystem, and is selectable for either pre or post EQ. The built-in limiter ensures pure,
clean power even at its full 100 watts output. An effects loop, a headphones jack, and
an extension speaker jack add to the overall versatility of this incredible bass amp.
Your BFX100 is Musician Made in the U.S.A., using only the best components.
Extensive testing at the hands (and ears) of skilled technicians and musicians
ensures you that this amplifier is the absolute best it can be.
In order to get the most out of your new bass amp, we urge you to read this manual before you begin playing.
And thank you
for choosing
1. INPUT: The signal output from an instrument (active or passive) or a line level signal
may be connected here by means of a
shielded instrument cable.
2. -15dB/0dB: This switch, when depressed,
attenuates the input signal by 15dB.
Attenuation allows the Gain control (#3) to be
functional over a larger portion of its range. If
the Gain control is near minimum and the
Peak LED (#4) is flashing (indicating clipping
of the input signal), attenuation is needed.
3. GAIN: This serves as the input signal level
control for the amplifier, allowing you to
adjust the amplifier for the best signal to
noise ratio.
4. PEAK LED: This LED flashes when the
signal level into the preamp approaches clipping. Adjust the Gain control (#3) until a
strong signal from your instrument causes
this LED to flicker.
NOTE: If the LED flashes frequently with the
gain control at a low setting, use the -15dB
pad (#2) to attenuate the input signal, then
readjust the gain.
5: CONTOUR SHAPE: This control is only
active when the Contour Active switch (#6) is
depressed. The setting of this control shifts
the frequency where the contour effect is
centered, giving you a wide variety of tonal
variations, from a studio “V”-shaped tone to a
sound that’s more “live” and up-front.
6: CONTOUR ACTIVE: This switch, when
depressed, activates the Contour Shape control (#5).
7. GRAPHIC EQ: Use these sliders to adjust
the output signal to best suit your playing
style, to match room acoustics, and to get the
best overall sound. The sliders control the
output of the frequencies indicated below
each control. The center position of each
control is flat (no boost or cut).
8. MASTER LEVEL: This is the overall output level control for the amplifier.
9. LIMIT: The BFX100 uses an internal limiting circuit to assist in keeping the power
amplifier’s output “clean” at extreme volume
levels. (All amplifiers begin to clip their output
signals as they approach maximum output
levels, resulting in distortion which may damage the speaker.) Whenever the amplifier is
at full power, this LED will flash. This is an
indication that the limiter is keeping peak signals from clipping the output.
The Front Panel:
BFX100 Bass Amplifier
INPUT CONTOUR EQUALIZATION MASTER
1 2 63 4 7
5
9
8
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