Gallien-Krueger MB500 Owner's Manual - page 12
Noise:
-90 dB reference to 500W/350W, “A” Weighted
Cooling: Variable Speed Fan
Amplifier Protection:
Full short circuit, thermal and RF protection.
Stable into reactive and mismatch loads.
Five second muted warm-up.
Dimensions (HxWxD):
1.75”[44.45mm] x 11”[279.4mm] x 9”[228.67mm].
1 Rack spaces.
Weight:
3 lbs. 12 oz. 1.7 Kg.
Power requirements:
U.S.A./Canada 120V/60Hz.
580W(full power), 75.6W(average power)
Europe 230V/50Hz/60Hz
580W(full power), 75.6W(average power)
Japan 100V/50Hz
580W(full power), 75.6(average power)
Output Power:
Input Section:
Maximum Input Level
With -10dB pad
Input Impedance
Send Output Impedance
Return Input Impedance
Tuner Output Impedance
Direct Output Impedance
Equalizer:
Bass
Lo-Mid
Hi-Mid
Treble
Voicing Filters:
Contour
350W @ 8 Ohms
500W @ 4 Ohms
0.6V Rms
1.6V Rms
1M Ohms
220 Ohms
50K Ohms
10K Ohms
500 Ohms
+/-10dB @ 60Hz
+6dB/-10dB @ 250Hz
+6dB/-10dB @ 1KHz
+/-14dB @ 7KHz
+2dB @ 50Hz/
-10dB @ 500Hz/
+3dB @ 7 KHz
ss
n
oi
ta
ci
fi
ce
p
S
MB500 SPECS
12
1+
1+
2+
2+
1-
1-
2-
2-
1+
1+
2+
2+
1-
1-
2-
2-
LIMITER
LNE OUT
RING
HEAD PHONE/
LINE OUT
HEAD PHONE
LINE OUT
SW
TIP
ON
OFF
1/4” / SPEAKON
COMBO
500W/ 4 OHMS
DIGITAL POWER AMP
1/4” / SPEAKON
COMBO
CLIP
DETECTOR
/$
190'45/#07#.
2#46ÄÄ$
G.I.V.E SW / FT SW
MASTER
BOOST
SEND
RETURN
4 BAND
EQ
CONTOUR
GAIN
TUNER
CLIP
INPUT
GND
LIFT
DIRECT OUT
TUNING
MUTE
-10dB
PAD
PRE
POST
MASTER-B
Specif
ications
MB500 BLOCK DIAGRAM