Wharfedale Pro WLA-28SUBF User manual

IMPORTANT SAFETY INSTRUCTIONS
For your full PDF User manual, please visit www.wharfedalepro.com
1.
before operating them.
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 ampli ers.
Transient voltages from powering up source equipment can damage speakers if ampli ers are already turned on. Make
sure that ampli er volumes are set to their minimum settings and power up any system ampli ers 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 ampli ers o rst,
before powering down any other system components.
ers and speakers. Use only
approved speaker cables with proper connectors.
care with placement and operation to avoid exposure to excessive volume levels. Permanent hearing damage can result
when operated to extreme levels.
product. Warranty nulli cation could result if this is attempted.
8. RIGGING - SUSPENDING - MOUNTING - Rigging suspending or mounting of speaker systems can expose
members of the public to serious health risks and even death.
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.
WHARFEDALE PRO LIMITED WARRANTY
Wharfedale Pro products are warranted of manufacturing or material defects for a period of one year from the original
date of purchase. In the event of malfunction, contact your authorized Wharfedale Pro dealer or distributor for
information.
*Be aware that warranty details may di er from country to country. Contact your dealers or distributor for information.
These terms do not infringe your statutory rights.
WHARFEDALE PROFESSIONAL
IAG House, 13/14 Glebe Road, Huntingdon, Cambridgeshire, PE27 7DL, UK
www.wharfedalepro.com
Wharfedale Professional reserves the right to alter or improve speci cations without notice.
All rights reserved © 2020 Wharfedale Pro. Wharfedale Pro is a member of the IAG Group.

OVERVIEW
For your full PDF User manual, please visit www.wharfedalepro.com
WLA-28SUBF
• Dual 15” Passive subwoofer
• IPX6 Waterproof Certification
• Wax wrapped components
• Anti-corrosion stainless steel hardware
• Waterproof input connectors
• System Continuous Power 1200w
• System Programme Power 2400w
• System Peak Power 4800w
• Impedance 4Ω
• 18mm Plywood construction
CONNECTIONS
PIN 1 LF Positive
PIN 2 LF Negative
PIN 3 Not connected
PIN 4 Not connected
SPECIFICATIONS
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
January 2020
Model Name
System Type
Configuration
Frequency Response (+/-3dB)
Frequency Range (-10dB)
Sensitivity (2.83v/1m)
Calculated Maximum SPL @1m
System Rated Impedance
Low Frequency Transducer 
Size
Voice Coil Size
Rated Impedance
LF Power (re:AES2-2012)
High Frequency Transducer
HF Driver Type
Voice Coil Size
Exit Size
Diaphragm Material
Rated Impedance
HF Power (re:AES2-2012)
Nominal Coverage (H x V)
Power   
System Continuous Power
System Programme Power
System Peak Power
Input Connector
Width Front
Enclosure Material
Hardware
Enclosure
Finish
Grille Material & Finish
Dimensions - (Unpacked)
Height Front/Height Rear
Width Rear
Depth
Dimensions - (Packed)
Height
Width Front
Width Rear
Weight
Depth
Net Weight (kg / lbs)
Gross Weight (kg / lbs)
Crossover frequency
Operational Modes:
Integral, non adjustable
WLA-28SUBF
Passive IPX6 waterproof
2 x 15" subwoofer
39Hz - 900kHz
35Hz - 1.5kHz
108dB
145dB
4Ω
100mm / 4.0''
2 x 381mm / 15''
2 x 8Ω
2 x 600W
-
-
-
-
-
-
1200W
1 x Neutrik NLT4 MP BAG
760mm / 29.9"
2400W
4800W
18mm Plywood
Waterproof Black Paint
3.0mm Black Aluminium
-
485mm / 19.1"
760mm / 29.9"
716mm / 28.2"
575mm / 22.6"
850mm / 33.5"
850mm / 33.5"
806mm / 31.7"
62.2kg / 134.6lbs
70.2kg / 145.2lbs
No
No
REAR
FRONT
SIDE
BOTTOM