Wharfedale Pro Reason-X18B Passive Subwoofer

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3-way passive PA with huge 18″ subwoofers

12” and 15” full range 3-way models
All new Z38 PE HF Compression drivers
8.0” mid range
3.0” LF coils with φ190mm ferrite magnets
2 models of 18” Sub-sub-woofers
NOMEX subwoofer spiders
Premium baltic birch construction
Dust proof foam behind front grilles

Reason-X18B

18″ passive subwoofer
All new LF driver
4.0″ voice coil
Aluminium basket design
35mm pole socket plus 2 side handles
Max SPL @ 1 meter 139 dB
1000 w AES (RMS)
2000 w Program
4000 w Peak

NEW SUBWOOFER DRIVER

The driver inside the Reason-X subwoofer has some very special features.
∮102.6 diameter voice coil.
(Thats OVER 4.0″ but we say 4.0″ because of number rounding)
Double-layer spider bonding.
Updated mute glue is used. This bonding can eliminate brittle cracking and reduces harmonic distortion.
112 g Membrane.
The Reason-X subwoofer driver has a heavier membrane which can withstand more power without breaking.
31 mm voice coil cavity.
A larger internal cavity for the coil windings allows Reason-X to have lower response by 5 Hz.
6.2 ohm impedance.
The impedance peak is higher in the Reason-X driver at 35 Hz. This results in superior low end strength.

Z38

The full range models (X12 and X15) feature an all-new Polyethylene flat diaphragm neodymium HF. This highly engineered Z38 HF compression driver brings extreme HF clarity.

Enormous cooling fins disperse the heat generated and the unique 1.5 inch ring-shaped polyethylene flat diaphragm delivers a precious feeling of space and air to high frequencies.

Advanced HF compression driver technology which deliveries breathtaking results.

ROTATABLE WAVEGUIDE

A handy feature is the rotatable waveguide which allows Reason-X full range models to be used in the vertical or horizontal plane.

100° x 70°

70° x 100° – the Horizontal and Vertical dispersion can easily be changed.

3-WAY DESIGN

With dedicated drivers for each of the main bandwidths, 3-way systems bring enhanced frequency definition to the listening experience.

Each driver focused solely on its optimum frequency range.

A big picture!

Enjoy the 3-way space and definition !

Model Name	Reason-X18B
System Type	Passive
Configuration	Single Subwoofer
Frequency Response (+/-3 dB)	35-1 Khz
Frequency Range (-10 dB)	30-800 HZ
Sensitivity 2.83 V / 1 Meter	103 dB
Calculated Maximum SPL @1 Meter	139 dB
System Rated Impedance	8 Ω
Low Frequency Transducer
Size	470 mm / 18”
Voice Coil Size	102 mm / 4”
LF Magnet Material	ferrite
LF Frame Material	Aluminium
Rated Impedance	8 Ω
LF Power re:AES2-2012	1000 W
System AES (RMS) Power (W)	1000 W
System Programme Power (W)	2000 W
System Peak Power (W)	4000 W
Crossover Frequency
Input Connector	2 x speakON compatible
Rigging	No
Handles	2 on Sides
Enclosure	35 mm pole socket
Cabinet Type	square
Enclosure Material and finish	18 mm plywood
Colour Options	Black paint
Grille Material & Finish	Steel
Dimensions – Unpacked (mm / inches):
Height	600 mm / 23.6”
Width Front	560 mm / 22.0”
Width Rear	560 mm / 22.0”
Depth	756 mm / 29.8”
Dimensions – Packed (mm / inches):
Height	670 mm / 26.4”
Width Front	829 mm / 32.6”
Width Rear	829 mm / 32.6”
Depth	633 mm / 24.9”
Weight
Net Weight	45.5 kg / 100.1 lbs
Gross Weight	55.2 kg / 121.4 lbs