Master Audio
Joker Series (Active). Version 1.4
Jan14
33
JK12WA
JK15WA
JK18WA1
JK18WA2
Audio Input
Sensi2dBu
Impedance
20k
Ω
Mains Supply
Type
Universal switching power supply 85-265VAC / 45- 65Hz
Heavy duty musical
program
0.8A
1A 1A 2A
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)
38Hz-90/100
/110/120Hz
36Hz-
90/100/120Hz
32Hz-
90/100/110Hz
30Hz-
90/100/110Hz
Maximum output
level
1m/continuous)
123 dB
127 dB
128 dB
132 dB
Amplifier (program)
500W 1000W
2000W
Nominal directivity
(-6dB)
omnidirectional
Components
LF
1 x 12” woofer
(3” voice coil)
1 x 15” woofer
(4” voice coil)
1 x 18” woofer
(4” voice coil)
HF
-
-
-
Cabinet
Type Band-pass
Height
387 mm
475 mm
552 mm
Width
520 mm
630 mm
740 mm
Depth
530 mm
630 mm
710 mm
Weight (net)
25,6 Kg
41,6 Kg
50,9 Kg
51,9 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