Wharfedale WLA 28X – Dual 8″ Line Array Element (Passive)

The WLA-28X

• Re-designed dual 8” Passive line array
• Re-defined HF compression driver
• Improved HF protection circuit
• Bi-amp and Passive mode switching
• System AES LF: 400 W HF: 90 W
• System Programme LF: 800 W HF: 180 W
• System Peak Power LF: 1600 W HF: 360 W
• 15 mm / 18 mm Birch Plywood construction

About the Clarity

The new neo HF compression driver delivers additional clarity and performance with enhanced definition. It is custom-made by Wharfedale Pro and is coupled to a 100° x 10° waveguide.

Dual 8″

At the heart of the WLA-28X are 2 x 8″ custom Wharfedale Pro LF drivers. These feature 2.0″ voice coils to ensure high efficiency and high power handling. These custom-designed transducers are what give a WLA-28X system its incredible sound and power handling capacity.

Bi-Amp & Passive

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.

In PASSIVE mode, a single amplifier can be used to power all drivers inside the loudspeaker. The full frequency range is put into the loudspeaker and the loudspeakers’ internal crossover separates the frequencies, delivering the right frequencies to the right driver. In the example of a 2-way passive loudspeaker, 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.

Specifications

Model Name	WLA-28X
System Type	2 x 8” Two-way
Frequency Response (+/-3 dB)	65 Hz-20 KHz
Sensitivity (2.83 v / 1 m)	101 dB
Calculated Maximum SPL @1 m	133 dB
Nominal Coverage (H x V)	100°x10°
Power: Continuous / Programme / Peak	Passive: 400 W / 800 W / 1600 W Bi-amp LF: 400 W / 800 W / 1600 W Bi-amp HF: 90 W / 180 W / 360 W
Rated Impedance ( Ω )	Passive: 16 Ω Bi-amp LF: 16 Ω ; Bi-amp HF: 16 Ω
HF Diaphragm Material	Titanium
HF Magnet Material	NdFeB
LF Magnet Material	Ferrite
LF Frame Material	Aluminium
HF Coil Size (inches/mm)	3.0” (75 mm)
LF Coil Size (inches/mm)	2.0” (51.6 mm)
Crossover Frequency	1.7 KHz
Cabinet Type	Trapezoid
Enclosure Material and finish	18 mm / 15 mm Plywood
Enclosure Colour	Black paint
Grille Material & Finish	1.5 mm Steel
Connectors	Neutrik NL4MP
Hardware	Integral side plate adjustable rigging 0°-10°
Cabinet Dimensions HxWxD(mm)	250 x 760 x 463.2 mm
Packed Dimensions HxWxD(mm)	320 x 830 x 534 mm
Net Weight (Kg)	29.5 Kg
Gross Weight (Kg)	32.0 Kg

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