Reason SERIES
Passive Loudspeakers
Reason-X18B
Reason-X218
Reason-X12
Reason-X15

www.wharfedalepro.com

TABLE OF CONTENTS
Important warnings & safety instructions ………………………………….1
Product features .………………………….……………………………………….2 - 3
Dimensional drawings ...…………………………………..………………………4 - 5Speciﬁcations ...…………………………………………………………..…………6 - 7

IMPORTANT WARNINGS & SAFETY INSTRUCTIONS
1. READ ALL INSTRUCTIONS – Carefully and become familiar with the features and functions of these products before operatingthem.
2. RETAIN THESE INSTRUCTIONS – For future reference.
3. COMPLY WITH ALL WARNINGS – Non compliance may void warranty of the product.
4. USE WITH AMPLIFIERS – In order to avoid damage to drivers and other equipment, it is advisable to establish and follow aroutine 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 ampliﬁers. Transient voltages from powering up
source equipment can damage speakers if ampliﬁers are already turned on.
Make sure that ampliﬁer volumes are set to their minimum settings and power up any system ampliﬁers LAST. It is recommended
that all system components be allowed to stabilize for few seconds before any source signals are introduced or level setting
adjustments are made. Similarly, when shutting systems down, turn all ampliﬁers oﬀ ﬁrst, before powering down any othersystem components.
5. CABLES – Do not use shielded or microphone cables for connection between ampliﬁers and speakers. Use only approved
speaker cables with proper connectors.
6. RIGGING – SUSPENDING – MOUNTING – RIGGING – Suspending and mounting of these speaker systems can expose membersof the public to serious health risks and even death. Under no circumstances attempt to rig, suspend or otherwise mount thesespeakers 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.
7. CAUTION – These professional loudspeaker systems are capable of generating very high sound pressure levels. Use care withplacement and operation to avoid exposure to excessive volume levels. Permanent hearing damage can result when operated toextreme levels.
8. SERVICE – There are no user serviceable parts inside this product. Users should not attempt to service this product.
Warranty nulliﬁcation could result if this is attempted.
9. UNPACKING - All Wharfedale Pro products are fully checked before leaving our factory. After unpacking please inspect thecabinets for any physical damage Please retain the shipping carton if possible and internal packing material incase the unit everneeds to be returned. Please check as soon as possible that the unit is functioning. In the event of any damage please contact yourdealer immediately so that a written claim for damage can be made.

1

PRODUCT FEATURESThe Reason-X Series of loudspeakers has been meticulously crafted to be at the forefront of audio technology.
Reason-X is a versatile loudspeaker for live performance or permanently installed audio reproduction and is built
around the vast experience of the Wharfedale Pro design team.
The high frequency compression driver is unique. Delivering a spacial feel to the high frequencies due it its eﬃcientneodymium magnet. This is enhanced by a polyethylene diaphragm which, as you will shortly experience, gives afreshness, a clarity and a crispness to the high frequencies which is unparalleled.
Close your eyes and enjoy the new detail you will ﬁnd in your audio.

Reason-X18B
10”, 2-way passive loudspeaker2.5” LF voice coil
1.5 inch ring-shaped polyethylene ﬂat diaphragm
Neodymium HF magnet
Rotatable waveguide with 100° x 70° dispersion
Birch plywood construction
128dB max SPL
60Hz - 20kHz
300w RMS
600w Programme
1200w Peak

Reason-X218B
12”, 2-way passive loudspeaker3.0” LF voice coil
1.5 inch ring-shaped polyethylene ﬂat diaphragm
Neodymium HF magnet
Rotatable waveguide with 100° x 70° dispersion
Birch plywood construction
130dB max SPL
55Hz - 20kHz
400w RMS
800w Programme
1600w Peak2PRODUCT FEATURESThe Reason-X Series of loudspeakers has been meticulously crafted to be at the forefront of audio technology.
Reason-X is a versatile loudspeaker for live performance or permanently installed audio reproduction and is built
around the vast experience of the Wharfedale Pro design team.
The high frequency compression driver is unique. Delivering a spacial feel to the high frequencies due it its eﬃcientneodymium magnet. This is enhanced by a polyethylene diaphragm which, as you will shortly experience, gives afreshness, a clarity and a crispness to the high frequencies which is unparalleled.
Close your eyes and enjoy the new detail you will ﬁnd in your audio.

Reason-X1210”, 2-way passive loudspeaker2.5” LF voice coil
1.5 inch ring-shaped polyethylene ﬂat diaphragm
Neodymium HF magnet
Rotatable waveguide with 100° x 70° dispersion
Birch plywood construction
128dB max SPL
60Hz - 20kHz
300w RMS
600w Programme
1200w Peak

Reason-X1512”, 2-way passive loudspeaker3.0” LF voice coil
1.5 inch ring-shaped polyethylene ﬂat diaphragm
Neodymium HF magnet
Rotatable waveguide with 100° x 70° dispersion
Birch plywood construction
130dB max SPL
55Hz - 20kHz
400w RMS
800w Programme
1600w Peak3DIMENSIONAL DRAWINGS

756.0Reason-X18B

600.0

560.0

756.0

Reason-X218B

560.0

1065.04

Reason-X12
46.0

258.0
350.0

814.0

46.0

46.0

46.0

95.0

410.0

DIMENSIONAL DRAWINGS

258.0

95.0

46.0

46.0

338.0

883.0

46.0

430.0

338.0

125.0

46.0

5

46.0

125.0

455.0
46.0

Reason-X15

SPECIFICATIONS
Model Name

Reason-X18B

Reason-X218B

System Type

Passive

PassiveConﬁguration

Single Subwoofer

Dual Subwoofer

Frequency Response (+/-3dB)

35Hz - 1kHz

30Hz - 1kHz

Frequency Range (-10dB)

30Hz - 800Hz

25Hz - 800Hz

Sensitivity (2.83v/1m)

103dB

109dB

Calculated Maximum SPL @1m

139dB

148dB

System Rated Impedance

8Ω4Ω

Size

470mm / 18"

470mm / 18"

Voice Coil Size

102mm / 4"102mm / 4"

LF Magnet Material

ferriteferriteLF Frame Material

Aluminium

Aluminium

Rated Impedance8Ω

2 x 8Ω

LF Power re:AES2-2012

1000W

2 x 1000W

System Continuous Power (W)

1000W

2000W

System Programme Power (W)

2000W

4000W

System Peak Power (W)

4000W

8000W

Input Connector

2 x speakON2 x speakON

Rigging

NONOHandles

2 on Sides

4 on Sides

Cabinet Typesquaresquare

Enclosure Material and ﬁnish

18mm plywood

18mm plywood

Colour Options

Black paintBlack paint

Grille Material & Finish

Steel

Steel

Height600mm / 23.6"

560mm / 22.0"

Width Front

560mm / 22.0"1065mm / 41.9"

Width Rear

560mm / 22.0"1065mm / 41.9"

Depth

756mm / 29.8"756mm / 29.8"

Height

670mm / 26.4"

668mm / 26.3"

Width Front

829mm / 32.6"1138mm / 44.8"

Width Rear

829mm / 32.6"1138mm / 44.8"

Depth633mm / 24.9"829mm / 32.6"

Net Weight (kg / lbs)

45.5kg / 100.1lbs.

73.8kg / 162.4lbs.

Gross Weight (kg / lbs)

55.2kg / 121.4lbs.

87.7kg / 192.9lbs.

Low Frequency Transducer

Enclosure

Dimensions - Unpacked (mm / inches):

Dimensions - Packed (mm / inches):

Weight6

SPECIFICATIONS
Model Name

Reason-X12

Reason-X15

System Type

Passive

PassiveConﬁguration

Three-wayThree-way

Frequency Response (+/-3dB)

55Hz - 20kHz

45Hz - 20kHz

Frequency Range (-10dB)

50Hz - 20kHz

40Hz - 20kHz

Sensitivity (2.83v/1m)

98dB

99dB

Calculated Maximum SPL @1m

131dB

133dB

System Rated Impedance

8Ω8Ω

Size

332mm / 12''404mm / 15''

Voice Coil Size

75mm / 3.0''75mm / 3.0''

LF Magnet Material

ferriteferriteLF Frame Material

Aluminium

Aluminium

Rated Impedance

8Ω8Ω

LF Power re:AES2-2012

400W

500W

Size

203.8mm / 8''

203.8mm / 8''

Voice Coil Size

50.8mm / 2.0''50.8mm / 2.0''

MF Magnet Material

ferriteferriteMF Frame Material

Aluminium

Aluminium

Rated Impedance8Ω8Ω

MF Power re:AES2-2012

100W

100W

HF Driver Type

Compression DriverCompression Driver

Coil Size (mm / inches)

38mm / 1.5"

38mm / 1.5"

Exit Size (mm / inches)

25mm / 1"25mm / 1"

HF Magnet Material

NdFeB

NdFeB

Diaphragm Material

PENPEN

Rated Impedance

8Ω8Ω

HF Power re:AES2-2012

40W

40W

Waveguide Typesquaresquare

Nominal Coverage (H x V)

100 x 70

100 x 70

Nominal Impedance8Ω8Ω

System Continuous Power (W)

500W

600W

System Programme Power (W)

1000W

1200W

System Peak Power (W)

2000W

2400W

Crossover Frequency

800Hz / 2.7kHz

800Hz / 2.7kHz

Input Connector

2 x speakON2 x speakON

Rigging

M8 x 12M8 x 12

Handles

22Cabinet Type

Trapezoid

Trapezoid

Enclosure Material and ﬁnish

15mm plywood15mm plywood

Colour Options

Black paintBlack paint

Grille Material & Finish
Dimensions - Unpacked (mm / inches):

SteelSteelHeight814mm / 32.0"883mm / 34.8"

Width Front

350mm / 13.8"

430mm / 16.9"

Width Rear

231mm / 9.1"

298mm / 11.7"

Depth

410mm / 16.1"

455mm / 17.9"

Height909mm /35.8"

978mm /38.5"

Width Front

500mm /19.7"545mm /21.5"

Width Rear

500mm /19.7"545mm /21.5"

Depth

440mm /17.3"

520mm/20.5"

Net Weight (kg / lbs)

29.0kg / 63.8lbs

32.5kg / 71.5lbs

Gross Weight (kg / lbs)

33.7kg / 74.2lbs

37.5kg / 82.5lbs

Low Frequency Transducer

Mid Frequency Transducer

High Frequency Transducer

PowerEnclosure

Dimensions - Packed (mm / inches):

Weight7

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 yourauthorised 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 forinformation (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