Markbass TA 503 User Manual
Page 21

21
12. tsA500 tecHnIcAl detAIls
InPuts
INPUT
impedance: 500 Kohm, max. voltage: 10 Vpp
RETURN EFFECT
impedance: 22 Kohm, max. voltage: 15 Vpp
controls
GAIN (TUBE SECTION)
-80 dB to +35 dB range
GAIN (SOLID STATE SECTION)
-45 dB to +28 dB range
LINE OUT
level control on front paneL
PRE/POST EQ (FOR BOTH LINE OUT)
switch on rear panel
GROUND LIFT (FOR LINE OUT)
switch on rear panel
GROUND LIFT (FOR LINE OUT AUX)
switch on rear panel
MASTER VOLUME
PHONES LEVEL
FOOTSWITCH
eQuAlIZAtIon
LOW
center frequency: 60 Hz; level: ±16 dB
MID LOW
(semi-parametric) frequency 100 to 800 Hz; level: ±16 dB
MID HIGH
(semi-parametric) frequency 700 Hz to 6 kHz; level: ±16 dB
HIGH
center frequency: 4.5 kHz; level: ±16 dB
VLE (VINTAGE LOUDSPEAKER EMULATOR)
max cut range: 250 Hz to 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
LINE OUT AUX
balanced XLR, max. voltage 25 Vpp
SPEAKER OUT
speakon, 1/4”
PHONES OUT
30 to 600 ohm, max. voltage 10 Vpp
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
PoWer reQuIrement
100; 120V; 230V; 240V 50/60Hz
(Voltage is factory reset according to
region of sale)
fuse
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