Master Audio
Joker Series (Active). Version 1.4
Jan14
34
JK10MA
JK12MA
JK318A
Audio Input
Sensi8dBu
Impedance
20k
Ω
Mains Supply
Type
Universal switching power supply 85-265VAC / 45- 65Hz
Heavy duty musical
program
0.7A
3.9A
Standby mode
consumption
<5W
Analog converters
24 bit / 48kHz
DSP architecture
48 bit
Built-in delay line
118ms / 40m
Frequency response
Usable bandwidth
(-10 dB)
50Hz-
18kHz
48Hz-
20kHz
35Hz-19kHz
Maximum output
level (1m/continuous)
124 dB
126 dB
132 dB
Amplifier (program)
600+100W 2400+600W
Nominal directivity
(-6dB)
70º x 70º
60º x 40º
50º to 100º x 55º
Components
LF
1 x 10”
coaxial
woofer
(2.5” voice
coil)
1 x 12”
coaxial
woofer
(3” voice
coil)
1x18” neo. woofer (4” voice coil)
1x12” neo. woofer (3” voice coil)
HF
1 x 1.75”
polyester
driver
1 x 3”
titanium
diaphragm
driver
1 x 1.75” PETP
diaphragm
driver
Cabinet
Type Bass-reflex
Height
539 mm
374 mm
1240 mm
Width
365 mm
600 mm
534 mm
Depth
340 mm
565 mm
524 mm
Weight (net)
15,2 Kg
24,4 Kg
59 Kg
Connectors
1 x AC PowerCon (input, link)
2 x XLR (input, link)
Material
Birch plywood, Steel front grille with acoustic foam
Finish Hi-resistance
weatherproof Polyurea paint