Wharfedale Pro WLA ACTIVE Series User manual

WLA ACTIVE Series
USER MANUAL
www.wharfedalepro.com
WLA-28A WLA-12MA WLA-15MA WLA-28SUBA WLA-218BA

1
Important Warnings & Safety Instructions
Read these instructions
Follow these instructions
Keep these instructions for future reference
Heed all warnings
Do not use this system near moisture or water
Clean only with a dry cloth
Install in accordance with these Wharfedale Pro operating instructions
Follow the manufacturer’s operating instructions for all peripheral devices such as amplifiers and
processors
Do not install near heat sources such as radiators, heat registers, stoves or any other apparatus
that produces heat (for example lighting systems and amplifiers)
Use only accessories specified or supplied by Wharfedale Pro
Do not use shielded microphone/instrument cables to connect amplifiers and speakers, use only
approved speaker cables with proper connectors
Use caution with placement and operation of this speaker system, permanent hearing damage
can be caused by prolonged exposure to excessive sound pressure levels
Refer all servicing to qualified professionals. Servicing is required when the loudspeaker has been
damaged in any way, such as impact damage, liquid ingress or foreign object damage. In addition
the loudspeaker should be referred to qualified service personnel if there is any kind of malfunction.
Rigging, suspending and mounting should only be attempted by experience qualified professionals.
Incorrect usage can result in damage to equipment and property, injury and even death. Under
no circumstances should you attempt to rig, suspend or mount these speakers unless you are
fully qualified and certified to do so by relevant local, state and national authorities. If you are not
properly qualified or do not know of pertinent regulations consult qualified personnel for advice.
Consult a structural engineer before suspending a speaker system and ensure that the total
weight of your system can be held by the truss or mounting surface.
Inspect all mounting hardware before rigging, suspending or mounting. If there is any damage
or distortion to any mounting hardware do not proceed until any damaged hardware is repaired
or replaced.
UNPACKING
All Wharfedale Pro products are fully checked before leaving our factory. After unpacking please
inspect the cabinets for any physical damage Please retain the shipping carton if possible and
internal packing material incase the unit ever needs to be returned. Please check as soon as
possible that the unit is functioning. In the event of any damage please contact your dealer
immediately so that a written claim for damage can be made.

About the WLA-A Series
2
The quality and durability of the well established WLA series is now available in an active series. The series
consists of 5 new models which are enhanced with internal DSP using FIR presets. Ethernet control also
delivers remote system management tools through a single cable.
The line-up consists of a 2 x 8” array element, two active floor monitors, a dual 15” flown subwoofer and the
2400 W continuous WLA-218BA dual 18” subwoofer. A combination of products which allows for comprehensive
systems to be designed, installed and toured.
The system is also compatible with the WLA-28 Common Fly Frame and WLA-28 Dolly Frame and can also
be protected using the readily available WLA Series tourbags.
WLA-28A Active 8” 2-way Bi-Amp 750 W Continuous
WLA-28SUBA Active 2 x 15” Subwoofer 2000 W Continuous
WLA-218BA Active 2 x 18” Subwoofer 2000 W Continuous
WLA-12MA Active 12” Monitor Bi-Amp 750 W Continuous
WLA-15MA Active 15” Monitor Bi-Amp 750 W Continuous
Software control
Network connection is made using the RS485 protocol and the control software is freely downloadable
from www.wharfedalepro.com
Dsp Presets
For the WLA-28SUBA the AUDIENCE or STAGE presets can be
used in an Inverted Stack Gradient array configuration.
WLA-28A WLA-28SUBA WLA-218BA WLA-12MA WLA-15MA
AC Power and Currents
When 'daisy chaining' elements with powerCON connectors, always ensure that the combined current draw
on a single power source does not exceed maximum ratings.
Model Name WLA-28A WLA-12MA WLA-15MA WLA-28SUBA WLA-218BA
Max Consumption Power 750 W 750 W 750 W 2000 W 2200 W
Max Current Draw @ 110 - 120 V 2.5 A 2.5 A 2.5 A
Max Current Draw @ 220 - 240 V 1.25 A 1.25 A 1.25 A 8A @ 100 -240 V 8A @ 100 -240 V

Up Close
3
WLA-28A
WLA-12MA and WLA-15MA Monitors
HF Output control
For immediate hands-on control,
both monitors feature HF output
level control. + / - 3 dB
powerCON compatible
AC input
For extreme durability.
powerCON compatible
AC Link
For cascade power to other
active loudspeakers in the
system. DO NOT EXCEED A TOTAL OF 20
A (continuous current powerCON limit) for
each line.
Update port
USB Input for software update.
Service sta only.
Network connections
Network connection using RS485
protocol. Download the software
from www.wharfedalepro.com
8 x DSP Presets
Internal DSP presets including
FIR. Easy to get great results -
fast.
XLR / 6.3 mm combi
jack balanced input
Balanced Link out
For easy cascade and
tidy cabling
35 mm pole socket
Both monitors feature a 35 mm
pole socket giving complete
system versatility.
For horizontal or verticle
applications, the HF waveguide
is rotatable.

WLA-A sound system example
4
In A
In B
In C
WLA-28SUBA
WLA-28A x 4
WLA-218BA WLA-218BA
WLA-28SUBA
WLA-28A x 4

WLA-A sound system example
5
In D
In E
In F
In G
WLA-218BA x 4
WLA-28A x 6
WLA-28SUBA x 2
WLA-28SUBA
WLA-12MA
WLA-15MA x 2
WLA-15MA WLA-15MA
In A In B In C
WLA-28A x 6
WLA-28SUBA x 2

Polar Plots
WLA-28A. Horizontal
6

7
Polar Plots
WLA-28A. Vertical

8
Polar Plots
WLA-12MA. Horizontal

9
Polar Plots
WLA-12MA. Vertical

10
Polar Plots
WLA-15MA. Horizontal

11
Polar Plots
WLA-15MA. Vertical

WLA-28A
Dimensional Drawings
12
760.0
250.0
464.0

Dimensional Drawings
13
WLA-28SUBA
WLA-218BA
760.0
485.0
775.0
1065.0
560.0
756.0

Dimensional Drawings
14
WLA-12MA
WLA-15MA
658.0
372.0
723.0
432.0
433.8
178.2
47.0
142.5
47.0
400.0
M10

Specifications
15
Model Name
WLA-28A WLA-28SUBA WLA-218BA
System Type
Active 8” 2-way Bi-Amplified Active 2x15 Subwoofer Active 2x18 Subwoofer
Frequency Response (+/-3dB)
60 Hz - 20 KHz 39 Hz - 125 HZ 30 Hz - 100 Hz
Frequency Range (-10 dB)
65 Hz - 20 KHz 35 Hz - 163KHz 25 Hz - 150 Hz
L
oudspeaker Sensitivity @ 1 W / 1 m)100 dB 108 dB 109 dB
Maximum SPL(peak)(@1 m)132 dB 145 dB 148 dB
Nominal Coverage (H x V)100° x 10°
- -
Signal Processing
DSP based, 8 FIR presets resident in Input
Module
DSP based,8 presets resident in Input
Module
DSP based,8 presets resident in Input
Module
Preset list
A)1 SPKR 100 Hz HPF
B)2 to 4 SPKR 100 Hz HPF
C)4 to 8 SPKR 100 Hz HPF
D)>8 SPKR 100 Hz HPF
E) 2 to 4 SPKR
F)4 to 8 SPKR
G)>8 SPKR
H)CUSTOM
A)FLOWN
B)FLOWN with 218
C)STACK
D)STACK with 218
E) CARDIOID AUDIENCE
F)CARDIOID STAGE
G)CUSTOM
H)CUSTOM
A)1 SPKR 80 Hz LPF
B)1 SPKR 100 Hz LPF
C)>2 SPKR 80 Hz LPF
D)>2 SPKR 100 Hz LPF
E) CARDIOID AUDIENCE
F)CARDIOID STAGE
G)CUSTOM
H)CUSTOM
Amplifiers
Amplifier Design
Class D Class D Class D
Power Rating:
1500 W Peak(1300 W LF +
200 W HF), 750 W Continuous
(650 W LF +100 W HF)
4000 W Peak/ 2000 W Continuous 4000 W Peak/ 2000 W Continuous
Power On Protection
Power switch on/offmute Power switch on/offmute Power switch on/offmute
Thermal Protection
Amplifier Shut Down.Auto Reset Amplifier Shut Down.Auto Reset Amplifier Shut Down.Auto Reset
Low Line Voltage Shut Down
80% Nominal Line Voltage 80% Nominal Line Voltage 80% Nominal Line Voltage
Driver Protection
Independent L/ H Limiters and DC Independent L/ H Limiters and DC Independent L/ H Limiters and DC
DC and Short Protection
Yes Yes Yes
Limiter Indicator
Red LED Red LED Red LED
Signal Indicator
Green LED Green LED Green LED
Power/Active Indicator
White LED White LED White LED
Find Function Indicator Blue LED Blue LED Blue LED
Input Sensitivity
+4 dBu +4 dBu +4 dBu
Maximum Input Level
+18 dBu +18 dBu +18 dBu
Input Impedance
Balanced: 10 KΩBalanced: 10 KΩBalanced: 10 KΩ
AC Power details - Power Supply High Efficiency Switching Mode Power
Supply
High Efficiency Switching Mode Power
Supply
High Efficiency Switching Mode Power
Supply
Connectors
Input Connector
XLR 1/ 4〞Combo jackXLR 1/ 4〞Combo jackXLR 1/ 4〞Combo jack
LinkConnector Balanced Male XLR Connector Balanced Male XLR Connector Balanced Male XLR Connector
UPDATE
USB Type B USB Type B USB Type B
NETWORK (RS485)
RJ45 RJ45 RJ45
AC Power Options
AC 100-120 V~/ 220-240 V~,50/60 HZ AC 100--240 V~,50/60 HZ AC 100--240 V~,50/60 HZ
AC Input Connector
NeutrikpowerCON 20 A NeutrikpowerCON 20 A NeutrikpowerCON 20 A
AC Loop Through Connector
NeutrikpowerCON 20 A NeutrikpowerCON 20 A NeutrikpowerCON 20 A
Hardware - Rigging
Integral side plate adjustable
rigging 0°-10° Integral side plate -
Enclosure Material and finish
15 mm / 18 mm Plywood 15 mm / 18 mm Plywood 18 mm Plywood
Colour Options BlackRhino Paint BlackRhino Paint BlackRhino Paint
Grille Material & Finish
1.5 Steel 1.5 Steel 1.5 Steel
Unpacked dimensions - Height 250 mm / 9.84" 181 mm / 7.1" 485 mm / 19.1" 560 mm / 22.0"
Width (Front)760 mm / 29.92" 760 mm / 29.9" 1065 mm / 41.9"
Width (Back) 760 mm / 29.92" 760 mm / 29.9" 1065 mm / 41.9"
Depth 463.2 mm / 18.23" 775 mm / 30.67" 756 mm / 29.8"
Packed Dimensions - Height 320 mm / 12.6" 575 mm / 22.6" 638 mm / 25.1"
Width (Front)830 mm / 32.7" 850 mm / 33.5" 1138 mm / 44.8"
Width (Back) 830 mm / 32.7" 850 mm / 33.5" 1138 mm / 44.8"
Depth 534 mm / 21.0" 865 mm / 34.6" 829 mm / 326.0"
Net Weight (Kg / lbs) 30.2 Kg / 66.4 lbs 67.0 Kg /147.4 lbs 78.0 Kg / 171.6 lbs
Gross Weight (Kg / lbs) 32.5 Kg / 71.5 lbs 74.3 Kg /163.5 lbs 92.04 Kg / 202.4 lbs

Specifications
16
Model Name
WLA-12MA WLA-15MA
System Type
Active 12” 2-way Monitor Bi-Amplified Active 15” 2-way Monitor Bi-Amplified
Frequency Response (+/-3dB)55 Hz - 20 KHz 45 Hz - 20 KHz
Frequency Range (-10 dB)50 Hz - 20 KHz 40 Hz - 20 KHz
L
oudspeaker Sensitivity @ 1 W / 1 m)98 dB 99.5 dB
Maximum SPL(peak)(@1 m)131 dB 134 dB
Nominal Coverage (H x V)90° x 60° 90° x 60°
Signal Processing DSP based,8 FIR presets resident in Input
Module
DSP based,8 FIR presets resident in Input
Module
Preset list
A)WEDGE
B)WEDGEHPF
C)COUPLED
D)COUPLED HPF
E) FOH
F)FOH HPF
G)CUSTOM
H)CUSTOM
A)WEDGE
B)WEDGEHPF
C)COUPLED
D)COUPLED HPF
E) FOH
F)FOH HPF
G)CUSTOM
H)CUSTOM
Amplifiers
Amplifier Design
Class D Class D
Power Rating:
1500 W Peak(1300 W LF +
200 W HF), 750 W Continuous
(650 W LF +100 W HF)
1500 W Peak(1300 W LF +
200 W HF), 750 W Continuous
(650 W LF +100 W HF)
Power On Protection
Power switch on/offmute Power switch on/offmute
Thermal Protection
Amplifier Shut Down.Auto Reset Amplifier Shut Down.Auto Reset
Low Line Voltage Shut Down
80% Nominal Line Voltage 80% Nominal Line Voltage
Driver Protection
Independent L/ H Limiters and DC Independent L/ H Limiters and DC
DC and Short Protection
Yes Yes
Limiter Indicator
Red LED Red LED
Signal Indicator Green LED Green LED
Power/Active Indicator
White LED White LED
Find Function Indicator
Blue LED Blue LED
Input Sensitivity
+4 dBu +4 dBu
Maximum Input Level
+18 dBu +18 dBu
Input Impedance
Balanced: 10 KΩBalanced: 10 KΩ
AC Power details - Power Supply
High Efficiency Switching Mode Power
Supply
High Efficiency Switching Mode Power
Supply
Connectors
Input Connector
XLR 1/ 4
〞
Combo jackXLR 1/ 4
〞
Combo jack
LinkConnector
Balanced Male XLR Connector Balanced Male XLR Connector
UPDATE
USB Type B USB Type B
NETWORK (RS485)
RJ45 RJ45
AC Power Options
AC 100-120 V~/ 220-240 V~,50/60 HZ AC 100-120 V~/ 220-240 V~,50/60 HZ
AC Input Connector NeutrikpowerCON 20 A NeutrikpowerCON 20 A
AC Loop Through Connector
NeutrikpowerCON 20 A NeutrikpowerCON 20 A
Hardware - Rigging
M10 x 8 M10 x 8
Enclosure Material and finish
15 mm Plywood 15 mm Plywood
Colour Options
BlackRhino Paint BlackRhino Paint
Grille Material & Finish
1.5 Steel 1.5 Steel
Unpacked dimensions - Height 658 mm / 25.9" 723mm / 28.5"
Width (Front) 372 mm / 14.6" 432 mm / 17"
Width (Back)
Depth 400.1 mm / 15.8" 433.8 mm / 17.1"
Packed Dimensions - Height 738 mm / 29.1" 808 mm / 31.8"
Width (Front)470 mm / 18.5" 504 mm / 19.84"
Width (Back) 470 mm / 18.5" 504 mm / 19.84"
Depth 445 mm / 17.5" 504 mm / 19.84"
Net Weight (Kg / lbs)26.5 Kg / 58.3 lbs 29.6 Kg / 65.1 lbs
Gross Weight (Kg / lbs)28.8 Kg / 63.4 lbs32.3 Kg / 30.1 lbs

Installation Diagram
17
Figure 1
2
WLA-28 Common Fly Frame
WLA-28SUBA
WLA-28A
1
2
3
1
3
Fly Frame and System Loads
Brackets' MAX load-bearing 450 Kg
WLA-28A weight：30.2 Kg
WLA-28SUBA weight：67.2 Kg
weight(Kg)
WLA-28A x4+WLA-28SUBA x 1(Figure 1)
quantity weight(Kg)
WLA-28A 4 120.8
WLA-28SUBA 1 67
Total weight 187.8
2
1
3
Figure 2
WLA-28A x8+WLA-28SUBA x 2(Figure 2)
quantity
WLA-28A 8 241.6
WLA-28SUBA 2 134
Total weight 375.6
Combination as below：

Bracket Dimensional Drawings
18
WLA-28 Common Fly Frame
766.0
741.0ā0.5
735.0
6.0
7.0
30.0
6.0
8.0
72.0
R4.0
641.0
780.0
25.0
25.0
10*Ă20.0
55.0
50.4
134.0 81.0
36.0
38.0
30.0
80.0
30.0
6.0
25.0
2*Ă10.5
R15.0
85.0
25.0
R10.0
R15.0
15.0
15.0
4*Ă10.5
6.0
115.0
25.0
50.0
55.0
562.0
Ă20.0
215.0
107.5
32.25
2-M5
M5
Ă14.5
Ă14.5
Ă14.5
Ă14.5
Ă14.5

March 2022
Wharfedale Pro products are warranted of manufacturing or material defects for a period
of three years from the original date of purchase. In the event of malfunction, contact your
authorised Wharfedale Pro dealer or distributor for information.
Please be aware that the warranty details may differ from country to country. Contact your
dealer or distributor for information (available at www.wharfedalepro.com). These terms do
not infringe your statutory rights.
2022