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Wharfedale Pro WLA-218BX 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 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.
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 © 2023 Wharfedale Pro. Wharfedale Pro is a member of the IAG Group.
April 2023
OVERVIEW
For your full PDF User manual, please visit www.wharfedalepro.com
WLA-218BX
• Front speakON compatible input for Inverted
Stack Gradient Array configuration
• 4.0” voice coils using acclaimed Reason-X
LF drivers
• 2000 W AES (RMS)
• 4000 W Programme
• 8000 W Peak
• 18 mm Plywood construction
• A powerful sub with cardioid functionality
CONNECTIONS
PIN 1+ LF Positive
PIN 1- LF Negative
PIN 2+ Not connected
PIN 2- Not connected
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
SPECIFICATION
Model Name
System Type
Configuration
Frequency Response (+/-3 dB)
Frequency Range (-10 dB)
Sensitivity 2.83 V / 1 Meter
Calculated Maximum SPL @1 Meter
System Rated Impedance
Low Frequency Transducer 
Size
Voice Coil Size
LF Magnet Material
LF Frame Material
Rated Impedance
LF Power re:AES2-2012
Nominal Impedance
Power
System AES (RMS) Power
Handles
System Peak Power
System Programme Power
Crossover Frequency
Input Connectors
Rigging
Pole Mount
Enclosure
Cabinet Type
Enclosure Material and finish
Colour Options
Grille Material & Finish
Dimensions - Unpacked (mm / inches):
Width Front
Height
Width Rear
Depth
Dimensions - Packed (mm / inches):
Height
Width Front
Width Rear
Weight
Depth
Net Weight
Gross Weight
WLA-218BX
Passive
Dual 18" Subwoofer
30-800 Hz
25-800 Hz
109 dB
148 dB
4 Ω
102 mm / 4.0''
2 x 470 mm / 18”
Ferrite
Aluminium
2 x 1000 W
2000 W
4 Ω
4000 W
4 on Sides
18 mm plywood
8000 W
2 x 8 Ω
3 x speakON (2 rear, 1 front)
No
Rectangle
black paint
steel
No
560 mm / 22.0"
1065 mm / 41.9"
1065 mm / 41.9"
756 mm / 29.8"
638 mm / 25.1"
1138 mm / 44.8"
1138 mm / 44.8"
829 mm / 32.6"
75.0 kg / 165 lbs
87.7 kg / 192.9 lbs

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