INPUTS INPUT
impedance 500 Kohm, max. voltage 9 Vpp
EFFECT RETURN
impedance 33 Kohm, max. voltage 12 Vpp CONTROLS GAIN
-80 dB to +25 dB range
MASTER VOLUME
GROUND LIFT
switch on rear panel EQUALIZATION LOW
center frequency: 80 Hz; level: ±12 dB
LOW MID
center frequency: 400 Hz, level: ±12 dB
HIGH MID
center frequency: 800 Hz, level: ±12 dB
HIGH
3 kHz shelf, level: ±12 dB
OUTPUT LINE OUT
balanced XLR, max. voltage 25 Vpp
EFFECT SEND
unbalanced, max. voltage 12 Vpp (pre-EQ)
TUNER OUT
unbalanced, max. voltage 2 Vpp
SPEAKER OUT
speakon / 1/4" (x2)
OTHER WEIGHT
8.16 lbs / 3,7 kg
DEPTH
11.89 in. / 30.2 cm
HEIGHT
3.39 in. / 8.6 cm (2 rack units)
WIDTH
14.5" / 36.8 cm (with rack ears: 19" / 48.3 cm)
OPTIONAL FOOTSWITCH
mute
OUTPUT POWER
500W RMS @ 4 ohms, 300W RMS @ 8 ohms
POWER REQUIREMENT
100V; 120V; 230V; 240V
50/60Hz
(Voltage is factory preset according to region of sale)
The R 500's preamp uses one ECC83 tube, manufactured by JJ Electronics.
Markbass amps/combos are manufactured to be sold and used in the country of purchase, and they are factory preset to that country’s voltage.
Due to homologation issues, the voltage may not be changed.
Rack ear kit included.
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R 500 Owner's Manual
R 500 Rear Panel