WHARFEDALE PRO FOCUS Series 1000 Watts RMS 18" Passive Subwoofer

FOCUS-18SUB

Wharfedale Pro

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FOCUS 18S

1000 watts
AES (RMS)
  • 18″ passive subwoofer
  • 4.5″ voice coil
  • M20 pole socket plus 2 side handles
  • 140 dB Max SPL @ 1 meter 
  • 1000 w AES (RMS) 
  • 2000 w Program
  • 4000 w Peak

OPTIMIZED ACOUSTIC ENGINEERING

Focus tops and subs are superbly engineered to work together seamlessly and provide maximum efficiency. 

The two-way Focus 12 and Focus 15 models employ High-Q 100° x 10° long-throw waveguide horn geometry to project the sound to the back of large listening areas. All this comes together to create a point-source array system!

For more details of wiring connections for either Passive mode or Bi-Amp mode, please check the User Manuals.

PASSIVE & BI-AMP MODE

Focus 12 and Focus 15 full range models feature Passive and Bi-Amp mode switching.

In PASSIVE mode, a single amplifier can be used to power all drivers inside the Focus.  The full frequency range is put into the loudspeaker and the Focus’ internal crossover separates the frequencies, delivering the right frequencies to the right driver.  This means that the single amplifier is powering both the HF compression driver and the LF transducer.  The internal crossover takes care of both the frequency and power separation.

In BI-AMP mode, two power amplifiers can be used.  This gives you the advantage of being able to select the best power amplifier specifications for each driver inside the loudspeaker.   In a BI-AMP configuration, an external crossover is used to separate the frequencies and this splits the signal to the dedicated LF amplifier and the HF amplifier.

This way, each amplifier is only working on the given frequency range and, in turn, is powering the corresponding driver inside the loudspeaker.

SUPER PLY

All Focus models use premium Baltic birch plywood construction.

Not only does this create a solid and durable cabinet, but it also contributes to the overall sound and character.

Focus series are also covered in our most durable and hard wearing Rhino Rock paint finish. This ensures that a Focus loudspeaker will always look as good as the day you unboxed it.

SUPER FLY

Focus series hardware allows you to fly in a line-array configuration, fly independently and in pairs or stack PA’s on top of subs. 

Focus adapts perfectly to whatever challenges your venue presents you with!


  • Flexible point-source passive array series
  • Suitable for many different venues and formations
  • 100° x 10° long-throw waveguide (Focus 12 & 15)
  • Huge power handling and massive voice coils 
  • Huge SPL capabilities up to 146dB SPL peak on subs
  • Bi-amp and Passive mode switching
  • Dual angle pole mount sockets
  • M10 x 11 & Fly Track Rigging points
  • speakON compatible inputs
  • Fly individually, in pairs or configure in array formations


Model Name Focus-18S
System Type Passive
Configuration Subwoofer
Frequency Response (+/-3 dB) 35 Hz – 800 Hz
Frequency Range (-10 dB) 30 Hz – 800 Hz
Sensitivity (2.83 v / 1 m) 104 dB
Calculated Maximum SPL @1 m 140 dB
System Rated Impedance 8 Ω
Low Frequency Transducer  
Size 462 mm / 18″
Voice Coil Size 114.3 mm / 4.5″
Rated Impedance 8 Ω
LF Power (re:AES2-2012) 1000 w
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 1000 w
System Programme Power 2000 w
System Peak Power 4000 w
Crossover frequency  
Input Connector 2 x NL4
(speakON Compatible)
Hardware  
Pole Mount M20 thread Pole Mount
Handles 4 On Sides
Enclosure  
Enclosure Material 18 mm Plywood
Finish Black Rhino Paint
Grille Material & Finish 1.5 mm Steel
Dimensions – (Unpacked)  
Height 540 mm / 21.26″
Width Front 490 mm / 19.29″
Width Rear 490 mm / 19.29″
Depth 900 mm / 35.43″
Dimensions – (Packed)  
Height 615 mm / 24.21″
Width Front 560 mm / 22.05″
Width Rear 560 mm / 22.05″
Depth 970 mm / 38.19″
Weight  
Net Weight 52.4 kg / 115.3 lbs
Gross Weight 61.3 kg / 134.9 lbs