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WARWICK BC SERIES COMBOS
OWNER’S MANUAL
A series of compact amplifiers for Bass instruments like nothing you have seen or heard before. These full frequency,
extended headroom, integrated combo amps could be used for virtually any amplified instrument but are specifically tuned
to the unique needs of Electric and Upright Bassists.
Consumers of recorded music have grown accustomed to the improvements in performance and sound resulting from the
development of high quality, lower cost electronics. The bass world has enjoyed little benefit from this progress. Warwick’s
new line of compact Bass Instrument Combo amps is destined to change this by introducing improvements in circuit
design, speaker design, manufacturing, and much improved component integration.
Our considerations in these amp designs were multifold and our objective is to provide:
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An aspiring bass player’s first amp.
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A seasoned professional’s “residential amp” (to be used for practicing and pleasure playing at home).
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A backstage tune-up/warm-up amp.
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A teacher’s amp where both the student and the teacher can plug in simultaneously while playing musical examples
with a music player through the auxiliary input.
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An amp for rehearsals, where space and sound levels are limited.
Here is a short explanation of the underlying design concepts.
CLASS-A CIRCUITRY
Class-A amplifiers are typically more linear and, as such, are less complex than other amplifier classes.
The amplifying element is biased so the device is always conducting to some extent. This means the amplifier is always
on, avoiding the problem of crossover distortion associated with class-AB and -B designs.
LOW-Z CIRCUITRY
By lowering the impedance inside an electronic circuit you lower the amount of thermal noise. In an amp where you have
tone controls that lift mids and highs a considerable amount, proper impedance level makes the difference between
enduring audible annoying hiss, and enjoying a pleasant tonal experience.
Summary of Contents for BC20
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