Markbass F500

POTENZA 300W RMS @ 8 ohm, 500W RMS @ 4 ohm
impedance 500 Kohm, max
GAIN -80 dB to +25 dB range
MUTE push/pull master volume pot
LINE OUT LEVEL level control on front panel
PRE/POST EQ (for line out) switch on rear panel
MASTER VOLUME
GROUND LIFT switch on rear panel
QUALIZATION
LOW center frequency: 40 Hz; level: ±16 dB
LOW MID (semi-parametric)
frequency 100-800 Hz, level ±16 dB
HIGH MID (semi-parametric)
frequency 700 Hz-6 kHz, level ±16 dB
HIGH
center frequency: 10 kHz: ±16 dB
VPF (Variable Pre-shape Filter)
center frequency 380 Hz (cut)
VLE (Vintage Loudspeaker Emulator)
frequency range 250 Hz-20 kHz (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" (x2)