Gallien-Krueger MB2 500 Panduan Pemilik - Halaman 11
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Tech Talk
Characteristics of the MB² Series:
The MB² Series
is a flexible, state-of-the-art
amplifier designed to deliver maximum perfor-
mance while remaining small, lightweight and
simple to operate. This is accomplished through a
few, very important features:
· Class D power supply and power amp.
· Four, Bass specific bands of active equaliza-
tion for precise tone control.
· Balanced direct output eliminates the need for
a direct box.
· Continuously variable fan cooling.
Equalization:
Standard tone controls and graphic equalizers give
you plenty of variation, but they don't provide
what the instrument really needs. The fact is,
graphic equalizers are intended for room equaliza-
tion. The equalization in Gallien-Krueger amplifi-
ers reflects 40 years of continuous development
and refinement.
The GK equalizer is unique to the industry, it's not
just a normal four band equalizer, 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 sounds natural at any setting. Now
it is possible to obtain the sound you desire.
Contour:
The Contour is used to completely revoice the amplifier.
The Contour control tunes between two different shaping
circuits, with greatly different responses. With the control
all the way up, the low end is slightly boosted, the mids are
dropped and the high end is pushed up. This is only found
in GK amplifiers.
MB² SERIES
"G.I.V.E." Technology:
As in all GK pre-amps, the MB² Series pre-amp incorpo-
rates what we call G.I.V.E (Gate Induced Valve Effect)
Technology. We use field effect devices with the gate
biased in a way that emphasizes the optimum harmonic
content of the signal. Working in concert with our unique
Four Band Active Equalizer, and three stage Voicing Filter
Section, G.I.V.E. technology produces a consistently pleas-
ing bass tone.
Cool Running = Reliability:
To cool the amp when its being driven hard, we've
designed a temperature sensitive fan cooling system. When
.
the amp is under a light load, the fan is off or running at a
low speed, reducing fan noise. As the amp works harder,
the fan speed increases to keep everything cool.
Smart Protection Circuitry:
The MB² Series protection circuitry constantly monitors
for unsafe operating conditions such as short circuits,
miss-wired speaker cables, blown speakers, improper
ventilation, and incorrect speaker configurations. In
addition, protection is provided during power up/down. If
the MB² Series senses any unsafe operating conditions, the
output signal is immediately muted and the power light
changes from Blue to Red. The amplifier will remain
muted until the fault is removed. If the protection circuit
activates while playing, turn the amplifier off and check
the amplifier speaker output connections. Be sure that you
are not exceeding the maximum recommend load
described in this manual. If the problem persists, contact
GK directly for technical advice.
In Closing:
You should now have a thorough understanding of how
your new MB² Series amplifier works and what advan-
tages it can offer you in getting "your" sound. We thank
you for reading the Owner's Manual and wish you the best
of times! Please send us your comments via www.gallien-
krueger.com or email us at [email protected].
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