Gallien-Krueger 400RB/115 Manuale d'uso - Pagina 12
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The 400RB Series is a flexible state-of-the-art bass
amplifier, designed to deliver maximum performance
and simple operation. This is accomplished through
.
these important features:
Extremely high current power supply and
power amp circuitry, gets the sound
.
out of your head.
Four, bass specific bands of active
.
equalization for precise tone control.
Three voicing filters for shaping and
.
customizing your sound.
Balanced direct output
. .
eliminates the need for a direct box.
Continuously variable fan cooling.
Designed and Built in the U.S. for years of
reliability and quality service.
When a power amplifier is pushing several speaker
cones, and a high-power transient like a string slap
comes along, the amp has to tap into a large power
reserve to maintain cone control. It's kind of like
grabbing a swing at the bottom of it's travel and
trying to push it the other way - it could knock you
over. If the amplifier doesn't have this ability, the
sound is unresponsive and less out front. The amp
loses it's punch and feel at higher playing levels.
Instead of responding to your every command, the
amplifier simply cuts those transients off, leaving you
with the feeling that something is missing in your
sound.
Since most amplifiers have limited output current
capacity, they need "current limiting circuits" to
protect against self-destruction. High-power tran-
sients trigger these circuits, which rob the amplifier of
it's ability to control speaker cones. This creates a
mushy, unresponsive feel to your sound. The 400RB
Series has an extremely high current capacity, over
fifty amps, so it doesn't need current limiting circuits
for over-load protection.
There is nothing in the 400RB Series power amp to
come between you and your sound except faithful,
raw power.
The sound you want is in your head, but you just
can't get it. You think it's you, your bass or maybe
your amp. Yes, your amp. Standard tone controls and
graphic equalizers don't get it. Sure, they give you
plenty of variation, but they don't provide what the
instrument really needs. The fact is, graphic equaliz-
ers are intended for room equalization, and are only
put in bass amps because it's a no-brainer for the
designer. The equalization in Gallien-Krueger
amplifiers reflects 30 years of continuous develop-
ment and refinement. The GK equalizer is unique to
the industry, it's not just a normal four band equal-
izer, each section is a special circuit optimized to
perform a Bass specific job in its range of operation.
These sections are wired in Series, so they add to one
another creating a tremendously flexible equalizer,
that doesn't sound weird at any setting. Now it is
possible to obtain the sound you desire.