Markbass SD 1200 User Manual
Page 4

04
4. SA450 / SD800 / SD1200 TECHNICAL DETAILS
INPUTS
INPUT
impedance: 500 Kohm, max. voltage: 9 Vpp
RETURN EFFECT
impedance: 33 Kohm, max. voltage: 12 Vpp
CONTROLS
GAIN
–80 dB to +25 dB range
LINE OUT
level control on front panel
PRE/POST EQ (for line out)
switch on rear panel
GROUND LIFT
switch on rear panel
MASTER VOLUME
EQUALIZATION
LOW
center frequency: 40 Hz; level: ±16 dB
MID LOW
(semi-parametric) frequency 100–800 Hz;
level: ±16 dB
MID HIGH
(semi-parametric) frequency 700 Hz – 6 kHz;
level: ±16 dB
HIGH
center frequency: 4.5 kHz; level: ±16 dB
VLE (Vintage Loudspeaker Emulator)
max cut range: 250 Hz – 20 kHz
VPF (Variable Pre-shape Filter)
center frequency 380 Hz (cut)
OUTPUTS
SEND EFFECT
unbalanced, max. voltage 12 Vpp
TUNER OUT
unbalanced, max. voltage 2 Vpp
LINE OUT
balanced XLR, max. voltage 25 Vpp
SPEAKER OUT
speakon, 1/4” (SA450, SD800)
speakon (SD1200) - please use only
speakon-speakon power cable to ensure
your safety.
OTHER
HEIGHT
2 rack units (3.36 in. / 86 mm)
WIDTH
14.21 in. / 36.8 cm
(19.01 in. / 48.3 cm with rack ears)
DEPTH
11.9 in. / 30.2 cm
WEIGHT
7.5 lbs / 3.4 kg
OUTPUT POWER
300W RMS @ 8 ohm, 500W RMS @ 4 ohm (SA500)
450W RMS @ 8 ohm, 750W RMS @ 4 ohm (SD800)
750W RMS @ 8 ohm, 1200W RMS @ 4 ohm (SD1200)
POWER REQUIREMENT
100; 120V; 230V; 240V 50/60Hz
(Voltage is factory preset according to region of sale).
Markbass amps/combos are manufactured to be sold
and used in the country of purchase, and are factory
preset to that country’s voltage.
Due to homologation issues, the voltage may not be
changed.
FUSE
SA450
EUROPE
4 A 250V T 5x20
AUSTRALIA/UK
4 A 250V T 5x20
USA/CANADA
8 A 250V T 5x20
JAPAN
10 A 250V T 5x20
SD800
EUROPE
6.3 A 250V T 5x20
AUSTRALIA/UK
6.3 250V T 5x20
USA/CANADA
8 A 250V T 5x20
JAPAN
10 A 250V T 5x20
SD1200
EUROPE
8 A 250V T 5x20
AUSTRALIA/UK
8 A 250V T 5x20
USA/CANADA
12 A 250V T 5x20
JAPAN
12.5 A 250V T 5x20