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Gallien-Krueger Microbass MB150S にも： オーナーズマニュアル (12 ページ)
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- 1. Owner's Manual
- 2. Warranty Card
- 3. Safety Instructions Sheet
- 4. Table of Contents
- 5. Power Cord
- 6. Safety Information
- 7. GK Philosophy
- 8. Setup & Quickstart
- 9. Front Panel Controls
- 10. Rear Panel Controls
- 11. Internal/External Speakers
- 12. Sample Settings
- 13. Sound Advice
- 14. Tech Talk
- 15. Specifications
Low Noise Operation:
The MB-III Series uses a high gain, high headroom,
low noise input stage. It has such a large dynamic
range (60v p-p) that very few instruments can over-
drive it. Even most basses with "active" electronics
do not need to use the -14dB input pad. The benefit
to you is less hiss and much less noise over all.
The Valve Effect:
As in all GK amplifiers, the MB-III Series preamp
incorporates what we call the Valve Effect, or
G.I.V.E(Gate Induced Valve Effect). We use field
effect devices with the gate biased in such a way that
emphasizes the optimum harmonic content of the sig-
nal. Working in concert with our unique Four Band
Active Equalizer, and three stage Voicing Filter Sec-
tion, the Valve Effect produces a consistently pleasing
bass tone.
Cool and Reliable Class "H" Design:
The MB-III uses a "dual rail" power supply (class H)
that generates about half the heat of conventional
amplifiers. Low output signals run off of a low voltage
supply keeping the amp running cool. When the signal
exceeds a certain level, the amp switches to its high
voltage supply until the higher signal level drops back
down. By using a Class 'H' power supply it elimi-
nates the need for a fan. Convection cooling is used
instead for completely silent operation in the studio or
on-stage. This well thought out design helps make-
the MB-III the little amp with the big sound.
Intelligent Protection Circuitry:
The MB Series protection circuitry constantly moni-
tors for unsafe operating conditions such as short cir-
cuits, miss-wired speaker cables, blown speakers, im-
proper ventilation, and incorrect speaker configura-
tions. In addition, protection is provided during power
up/down. If the amplifier senses any unsafe operating
conditions, the output signal is immediately muted and
the power light changes from Blue to Red. The ampli-
fier will remain muted until the fault is removed. If the
protection circuit activates while playing, turn the am-
plifier off and check the speaker output. If the prob-
lem persists, contact GK directly for technical advice.
MicroBass-III Series
connections. Be sure that you are not exceeding the
maximum recommended load described in this manual.
In Closing:
You should now have a thorough understanding of how
your new MicroBass Series amplifier works and the
advantages it offers in dialing in 'your' sound. We
thank you for reading the Owner's Manual and wish
you the best of times! Please send us your comments
via the web at www.gallien-krueger.com or email us
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