Wharfedale Pro WLA-28SUBA User manual

Congratulations on the purchase of your WLA-28SUBA. We take great pride in engineering and building every
Wharfedale Pro product and wish to thank you for entrusting us with your audio.
From the time Gilbert Briggs built his first loudspeaker in 1932, to the present day, we have maintained the same
standard of quality in components, workmanship and performance.
Please take the time to read this guide completely in order to get the most from your new active PA.
Your full user manual can also be downloaded from www.wharfedalepro.com
AC IN: AC Input using PowerCon connector
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.
POWER: Power on switch. Only power on after all audio
connections have been made.
BREAKER 20 A: Circuit breaker with push button manual
reset.
INPUT: Balanced Combi jack / XLR input
LINK: Balanced line output
PRESET: DSP Preset control selector.
AUDIENCE or STAGE presets can be used in an Inverted
Stack Gradient array configuration.
UPDATE: USB Input for software update. Service staff only.
NETWORK: Network connection using RS485 protocol.
Download the software from www.wharfedalepro.com
WLA-28SUBA
QUICK START GUIDE
Your full user manual can also be downloaded from
www.wharfedalepro.com
Model Name
WLA-28SUBA
System Type
Active 2x15 Subwoofer
Frequency Response (+/-3dB) 39 Hz - 125 HZ
Frequency Range (-10 dB) 35 Hz - 163KHz
Loudspeaker Sensitivity @ 1W / 1m)
108 dB
Maximum SPL(peak)(@1m) 145 dB
Nominal Coverage (H x V) -
Signal Processing DSP based,8 presets resident in Input
Module
Preset list
A) FLOWN
B) FLOWN with 218
C) STACK
D) STACK with 218
E) CARDIOID AUDIENCE
F) CARDIOID STAGE
G) CUSTOM
H) CUSTOM
Amplifiers
Amplifier Design Class D
Power Rating: 4000 W Peak / 2000 W Continuous
Power On Protection
Power switch on/offmute
Thermal Protection
Amplifier Shut Down. Auto Reset
Low Line Voltage Shut Down
80% Nominal Line Voltage
Driver Protection
Independent L/ H Limiters and DC
DC and Short Protection
Yes
Limiter Indicator Red LED
Signal Indicator
Green LED
Power/Active Indicator
White LED
Find Function Indicator
Blue LED
Input Sensitivity
+4 dBu
Maximum Input Level
+18 dBu
Input Impedance Balanced: 10 KΩ
AC Power details - Power Supply High Efficiency Switching Mode
Power Supply
Connectors
Input Connector
XLR 1/ 4
〞
Combo jack
Link Connector
Balanced Male XLR Connector
UPDATE
USB Type B
NETWORK (RS485)
RJ45
AC Power Options
AC 100-240 V~,50/60 HZ
AC Input Connector powerCON compatible
AC Loop Through Connector
powerCON compatible
Hardware - Rigging Integral side plate
Enclosure Material and finish
15 mm / 18 mm Plywood
Colour Options
Black Rhino Paint
Grille Material & Finish
1.5 Steel
Unpacked dimensions - Height 485 mm / 19.1"
Width (Front) 760 mm / 29.9"
Width (Back) 760 mm / 29.9"
Depth 775 mm / 30.67"
Packed Dimensions - Height 575 mm / 22.6"
Width (Front) 850 mm / 33.5"
Width (Back) 850 mm / 33.5"
Depth 865 mm / 34.6"
Net Weight (Kg / lbs) 67.0 Kg /147.4 lbs
Gross Weight (Kg / lbs) 74.3Kg /163.5 lbs

Wharfedale Pro also manufacture a wide range of power amplifiers and signal processors.
For recommended accessories, amplifiers and system diagrams please visit www.wharfedalepro.com
IMPORTANT SAFETY INSTRUCTIONS
1. READ ALL INSTRUCTIONS - carefully and become familiar with the features and functions of these products before
operating them.
2. RETAIN THESE INSTRUCTIONS - for future reference.
3. COMPLY WITH ALL WARNINGS - All warnings and instructions for this product should be adhered to.
3. RIGGING - SUSPENDING - MOUNTING - Rigging suspending or mounting of speaker systems can expose members of
the public to serious health risks and even death.
7. SERVICE - There are no user serviceable parts inside this product. Users should not attempt to service this product.
Warranty nullification could result if this is attempted.
6. CAUTION - Professional loudspeaker systems are capable of generating very high sound pressure levels. Use care with
placement and operation to avoid exposure to excessive volume levels. Permanent hearing damage can result when operated
to extreme levels.
5. CABLES - Do not use shielded or microphone cables for connection between amplifiers and speakers. Use only approved
speaker cables with proper connectors.
4. USE WITH AMPLIFIERS - In order to avoid damage to drivers and other equipment, it is advisable to establish and follow
a routine for powering up and powering down a sound system. With all system components connected, turn on source equipment
(mixers, signal processors, record and playback units, etc.) BEFORE powering up amplifiers. Transient voltages from powering
up source equipment can damage speakers if amplifiers are already turned on. Make sure that amplifier volumes are set to
their minimum settings and power up any system amplifiers LAST. It is recommended that all system components be allowed
to stabilize for several seconds before any source signals are introduced or level setting adjustments are made. Similarly, when
shutting systems down, turn all amplifiers off first, before powering down any other system components.
UNDER NO CIRCUMSTANCES ATTEMPT TO RIG, SUSPEND OR OTHERWISE MOUNT THESE SPEAKERS UNLESS YOU ARE FULLY
QUALIFIED AND CERTIFIED TO DO SO BY RELEVANT LOCAL, STATE AND NATIONAL AUTHORITIES. ALL RELEVANT SAFETY
REGULATIONS MUST BE FOLLOWED. IF YOU ARE NOT PROPERLY QUALIFIED OR DO NOT KNOW OF PERTINENT REGULATIONS,
CONSULT QUALIFIED PERSONNEL FOR ADVICE.
OVERVIEW
WHARFEDALE PROFESSIONAL
IAG House, 13/14 Glebe Road, Huntingdon, Cambridgeshire, PE29 7DL, UK
www.wharfedalepro.com
Wharfedale Professional reserves the right to alter or improve specifications without notice.
All rights reserved © 2022 Wharfedale Pro. Wharfedale Pro is a member of the IAG Group.
760.0
485.0
775.0
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.
February 2022