ASHLY
Bass Preamplifier
model BP-41 E
Five-Year
Worry-Free Warranty
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shly's BP-41 E Bass Preamp is a
sophisticated system with all of
its controls, features and param
eters designed specifically for
contemporary bass players. It is
A
The BP-41 E gives you a pair of switchable
inputs which allow you to connect two instru
ments simultaneously, eliminating the cum
bersome task of plugging and unplugging
during a performance. A pad is provided on
one of the inputs, facilitating the connection
of high-output instruments, such as an active
bass or a bass synthesizer.
The Gain control provides a means of
adjusting the input level to the BP-41 E, allow
ing you to match the output level of your
instrument to the nominal OdBv operating
level of the unit. The Stage control adjusts
the overall volume output of the unit to the
Crossover output and the Stage Amp output.
Clip lights for the Gain and Stage controls
indicate when the input or output signals are
too 'hot' and approaching clipping. This sys
tem gives you with the ability to generate the
cleanest signal possible.
The BP-41 E features a built-in two-way
Electronic Crossover for bass players who
prefer to use bi-amplified equipment. The
Frequency control selects the desired
crossover point, while the Balance control
determines the ratio of lows to highs being
sent to the respective drivers.
To route the signal to a mixing board, an
active, balanced Direct Output is supplied
through a 3-pin XLR (MIC or Line level
selectable) or a 1/4" TRS jack (Line level
only). A Mute Switch permits you to shut off
the Direct Output while a flashing LED
reminds you of its 'off status (Stage and
Crossover outputs remain 'on' allowing you to
tune or rehearse without being fed to the mix
ing console) and a Pre/Post switch lets you
take the Direct feed from either before or
after the EQ and Effects Loop sections.
Three types of equalization are furnished,
providing total control over your sound. A
more powerful, more versatile
and simpler to operate than any
other system.
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Presence Boost switch activates a voicing cir
cuit designed expressly for the BP-41 E,
which adds both warmth and brightness to
your sound, while an LED lets you know that
it's engaged. The Equalization Section con
trols standard EQ functions. Bass, Mid and
Treble controls are peak/dip filter types, each
adjustable over a wide range and tuned to
musically useful center frequencies. Finally,
the switchable Parametric EQ is a single
band equalizer that allows you to tune your
sound with greater accuracy than fixed-fre
quency controls. The Frequency control
tunes the exact center frequency you wish to
adjust, while the Level control determines the
overall boost/cut at that frequency. A twoposition Q adjust switch changes the filter
shape from very broad to very narrow, permit
ting you to 'target' or 'notch' the selected fre
quency, or to 'smooth' around it for more
subtle control. The flexibility that this equal
ization system provides gives you the ability
to emulate virtually any sound, or to create
the sound that's just right for your unique
style of playing.
For bass players who use outboard effects,
Ashly has included a switchable Effects Loop
at the most useful spot in the signal chain;
after the preamplifier section and before the
final output section. A Send jack feeds the
input of the effects device and the Return
jack receives the output of the effects device,
inserting it into the preamp's audio chain. A
front panel Effects Loop switch controls
whether or not the loop is engaged. A rear
panel Level switch lets you set up the gain
structure of the effects loop to match your
signal processing equipment (OdBv for 'pro'
style rack mounted effects, and -20dBv for
'foot pedal' type effects).
Additionally, a gutsy built-in Headphone
output gives you the ability to privately moni
tor your performance.
The Ashly BP-41 E Bass Preamplifier is the
ultimate performance tool for all bass players
who desire professional control over their
playing environment. Plus the BP-41 E, like all
Ashly products, is now covered by our exclu
sive five-year worry-free warranty.
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Up to 40dB of Gain
at Input Stage
External Effects Loop,
Switchable From
Front Panel
Active-Balanced
Direct Output
Adjustable Active
2-way Crossover
3 Types of
Equalization:
Presence Boost,
Standard 3-Place,
Single-Band
Parametric
Headphone Output
Front Panel Direct-Out
Mute Switch to
Facilitate Tuning
Specifications
Electronic Crossover Freq:
Suggested Hookup
Available Gain:
Input Impedance:
Noise:
THD:
IMD:
FIXED FREQUENCY EQ
Bass:
Mid:
Treble:
Parametric EQ:
Maximum Output Level:
Output Impedance:
Power:
Size:
Shipping Weight:
60dB Input A, 50dB Input B
2.2 Megohm
-lOSdBV
< .01%
< .01%
±15dB@ 100Hz
±15dB@1kHz
±15dB @3.1kHz
31.5Hz to 3.15kHz, tunable, +15dB
31.5Hz to 3.15kHz, tunable, 12dB per octave
-t-20dBV
2000
120VAC, 50-60HZ, 12W
19"Lx1 3/4"Hx6"D
7 1/2 lbs
INPUT
• •••• •
DIRECT
OUT
EFFECTS
EFFECTS
LOOP
CROSSOVER
OUTPUT
OO
MID/HI AMP
OO
LO\W AMP
ASHLY BP-41 E
STAGE AMP OUT
i(o)
D D
*©
Ashiy Audio Inc.
ASHLY'
Since 1972
© 1990 Ashiy Audio
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