INPUTimpedance: 500 Kohms, max. voltage: 10 Vpp CLEAN CHANNEL GAIN SECTION
Tube: 1xECC83S, gain: 50 dB
SEND/RETURN SECTION
Return impedance: 50 Kohms
Send output impedance: 1 Kohms
Effect loop type: parallel
PURE PARAMETRIC FILTER SECTION
Frequency range: 60 Hz - 2 kHz
Level: +/- 16dB
Q: 0.5 - 8
EQ SECTION
Center frequency: 100 Hz (low), 800 Hz (mid), 4 kHz (high), +/- 16 dB
AMP CHANNEL AMP 1
Tube: 2x ECC83S
AMP 2
Tube: 1x ECC83S
AMP 3
Solid State
COMPRESSOR
On/off switch on front panel
EQ SECTION
Center frequency: 100 Hz (low), 4 kHz (high), +/- 16 dB
FILTERS
VPF (variable pre-shape filter, 380 Hz cut); High-pass filter (20 Hz -in. 1 kHz, -3 dB)
OUTPUTS AMP LINE OUT
Balanced XLR, max. voltage 10 Vpp
CLEAN LINE OUT
Balanced XLR, max. voltage 10 Vpp
MIX LINE OUT
Balanced XLR, max. voltage 10 Vpp
Unalanced 1/4", max. voltage 2.5 Vpp
TUNER OUT
Unalanced 1/4", max. voltage 2.5 Vpp
SPEAKER OUT
Combo speakon / 1/4"
FOOTSWITCH
Amp channel (on/off) / Pure Parametric Filter (on/off) OTHER HEIGHT
3.39 in. / 8.6 cm (2U)
DEPTH
11.9 in. / 30.2 cm
WIDTH
14.5" / 36.8 cm (with rack ears: 19" / 48.3 cm)
WEIGHT
8.6 lbs / 3.9 kg
OUTPUT POWER
500W RMS @ 4 ohm, 300W RMS @ 8 ohm
(Voltage is factory preset according to region of sale)
The AMP 1 (8) signal passes through two ECC83S tubes for heavy tube distortion. The AMP 2 (10) signal passes through one ECC83S tube for a softer tube distortion. The AMP 3 (12) signal passes through a FET to create solid state distortion. Simply turn on the channel(s) you want by pulling the knob(s) out, and adjust the level(s) to taste. Turn any distortion channel off by pressing in its knob.
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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Studio Pre 500 rear panel