

INPUTS
INPUT A (master)
impedance 500 Kohm, max. voltage 15 Vpp
INPUT B
impedance 500 Kohm, max. voltage 15 Vpp
EFFECT RETURN
impedance 22 Kohm, max. voltage 10 Vpp
CONTROLS
GAIN CH1
– 80 dB to +23 dB range
GAIN CH2
– 80 dB to +26 dB range
LINE OUT
level control on front panel
GROUND LIFT
switch on rear panel
EQUALIZATION
CH1
LOW
center frequency: 60 Hz; level: ±16 dB
LOW MID
center frequency: 360 Hz, level: ±16 dB
HIGH MID
center frequency: 800 Hz, level: ±16 dB
HIGH
center frequency: 5 kHz; level ±16 dB
VPF (Variable Pre-shape Filter)
center frequency: 380 Hz (cut)
VLE (Vintage Loudspeaker Emulator)
frequency range cut: 250 Hz – 20 kHz
CH2
LOW
center frequency: 60 Hz; level ±16 dB
LOW-MID
center frequency: 360 Hz, level ±16 dB
HIGH-MID
center frequency: 800 Hz, level ±16 dB
HIGH
center frequency: 5 kHz; level ±16 dB
VPF (Variable Pre-shape Filter)
center frequency: 380 Hz (cut)
OUTPUT
LINE OUT
balanced XLR, max. voltage 10 Vpp
EFFECT SEND
unbalanced, max. voltage 20 Vpp (pre-EQ)
TUNER OUT
unbalanced, max. voltage 25 Vpp
SPEAKER OUT
speakon, 1/4"
OTHER
HEIGHT
2 standard rack units
WEIGHT
6.39 lbs / 2.9 kg
FOOTSWITCH
CH1, CH2, CH1+CH2, mute
OUTPUT POWER
300W RMS @ 8 ohm, 500W RMS @ 4 ohm
POWER REQUIREMENT
100/120V; 230V; 240V
50/60Hz


All models are equipped with Markbass-designed power
supply circuitry.
Minimum ohm load for all Markbass heads is 4 ohms.
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