Wharfedale Pro Twin 8X Manuale utente

TWIN X SERIES MULTIPURPOSE LOUDSPEAK-

ER SYSTEMS

Twin 8X, 10X, 12X & 15X coaxial full range multipurpose loudspeaker systems

Twin 15X sub & Twin 18X sub – sub bass cabinets

Wharfedale Pro

Twin X Series User Manual

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYSTEMS

The following apparatus is manufactured in the China by Wharfedale International Limited of IAG House,

Sovereign Court, Ermine Business Park, Huntingdon, Cambs, PE29 6XU and conforms to the protection

requirements of the European Electromagnetic Compatibility Standards and Directives relevant to Domestic

Electrical Equipment. The apparatus is designed and constructed such that electromagnetic disturbances gen-

erated do not exceed levels allowing radio and telecommunications equipment and other apparatus to oper-

ate as intended, and, the apparatus has an adequate level of intrinsic immunity to electromagnetic distur-

bance to enable operation as specified and intended.

Details of the Apparatus: Wharfedale Pro Loudspeaker

Model Number: Twin 8X, 10X, 12X, 15X, Twin 15X sub & Twin 18X sub

Associated Technical File: XXX

Applicable Standards:

EN 50081–1 Emission

EN 50082–1 Immunity

Electrical Safety: EN 60065

Signed:

Position:

Date: XX/XX/2004

For Wharfedale International Ltd

Declaration of Conformity

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYSTEMS

Contents

Welcome

The Twin X Series

Unpacking

Cables and connections

Amplifiers and power handling (limiters)

Equalisation

Arraying

Rigging

Specifications

Parts and accessories

Warranty

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYS-

Welcome

Thank-you for choosing a Wharfedale Pro Loudspeaker for your application. Since 1932, Wharfedale

Loudspeakers have been at the forefront of loudspeaker technology. Our innovative designs combined with

over seventy years of manufacturing audio systems make Wharfedale Pro products second to none.

Every component of every loudspeaker is designed and made in our own factories. We control all the vari-

ables to make sure every finished product complies with our standard of excellence.

We put in a lifetime of experience – you get out a lifetime of performance.

The Twin X Series

The Wharfedale Pro Twin X Series of loudspeakers are compact, high efficiency point source systems designed to meet demanding professional

applications requiring both sonic quality and integrity. The Twin X Series is especially suited to high quality sound reinforcement applications

where the power response and overall performance give exceptional results even in challenging acoustic spaces. Whether applied to a rever-

berant or dry acoustic environment the Twin X integrates successfully with the room for superior sound quality with a minimum of equalisation and

tuning. Due to the co-axial design the Twin X also provides excellent stage monitoring in near field situations.

Features:

• Proprietary designed, high efficiency, high power Wharfedale Pro coaxial two-way full-range drive units (Twin 8X, 10X, 12X & 15X).

• Sophisticated crossover design enables smooth power and frequency response control through crossover region.

• Speakon™ connectors

• Protective full steel grille

• High power output and low distortion

• Trapezoidal array design

• Low profile for ceiling mounting or stage monitor use

• Pole mount socket for portable sound system use

• PRO-TECH™ Integral High Frequency Driver Overload protection*

• Strong cabinet construction of acoustically inert 18 mm birch plywood

• Available in black or white finish

* PRO-TECH™: The Twin X series speakers are equipped with The PRO-TECH™ System - a dynamic tweeter protection circuit, composed of an

accurate and sensitive protection lamp. When high signal levels are present that may pose a dangerous overload for the tweeter coil the protec-

tion circuit will activate immediately to limit the power sent to the transducer.

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYSTEMS

Unpacking

All Wharfedale products are fully tested and inspected before leaving the factory. After unpacking your loudspeaker please inspect it for any phys-

ical damage. In the unlikely event of damage caused in transit please contact your Wharfedale dealer immediately so that a written claim for

damages can be made. Please retain the shipping carton and all packing materials in case the unit needs to be returned.

Cables and connections

All Wharfedale Twin X loudspeakers are fitted with a pair of 4-pole Neutrik Speakon™ Connectors. The two connectors on each loudspeaker

are wired in parallel allowing two cabinets to be wired together from a single amplifier. When choosing speaker cable a professional grade of

cable with an overall round sheath will be harder wearing and easier to handle than hi-fi figure-of-eight cables. Cables should always be coiled

freely and not coiled over the hand and elbow which forces the conductors to twist within the outer sheath making the cable difficult to handle.

Speaker leads should be made with a minimum of 2.5mm? csa (12 gauge) cable. However for cable runs over 50m a minimum of 4mm? (10

gauge) cable should used.

Speakon Pin Assignment

1+ Full Range +

1– Full Range –

2+ No Connection

2– No Connection

Amplification & Power Handling

Wharfedale Pro loudspeakers should be driven by professional quality amplifiers capable of providing adequate headroom when operating at

high levels. A low powered amplifier with insufficient drive capability will not allow the full performance of the loudspeaker to be realised. A low

powered amplifier is also more likely to be driven into clip and damage to your loudspeakers.

Amplifier clipping commonly occurs when amplifiers are used that are too small for the loudspeakers. If these amplifiers are driven beyond their

maximum recommended limit the output from the amplifier is clipped. If a clipped signal is fed to a loudspeaker, it will not only detract from the

sound quality, but can cause permanent damage. [Clipped waveforms tend to heat up the speaker voice coil while driving it out of the magnetic

gap resulting in the loudspeaker overheating and failing]. Some amplifiers have a soft clip function which helps to round off the edges of clipped

waveforms. However, an external limiter, or crossover with limiting built in, will stop amplifier clipping and ensure long life from your enclosures.

[Note: Limiters must be adjusted to suit amplifier sensitivity. Refer to limiter or crossover manufacturer’s literature.]

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYS-

Equalisation

Wharfedale Twin X loudspeakers are designed to have a flat frequency response that does not require any equalisation to compensate for design

inadequacies. Only need small levels of equalisation may be needed to compensate for difficult acoustic environments. Over equalisation can

reduce system headroom, and introduce phase distortion resulting in more problems than it cures. If equalisation is required then it should be

applied gently and smoothly using a professional quality graphic or parametric equaliser.

Arraying

When building arrays of loudspeaker cabinets it is important that the coverage patterns of each loudspeaker do not overlap each other. This cre-

ates an effect known as comb-filtering resulting in an uneven frequency response that varies as you move around the room. It is much better to

point each loudspeaker to a different area of the room rather than to face them all the same way.

To create a seamless wide (130 degree) horizontal coverage using two Twin X cabinets they should be arranged as shown below with an angle

of approximately 50 degrees between the cabinets. By placing the Twin X cabinets as shown minimal dispersion pattern overlap is achieved,

guaranteeing an even frequency response throughout the listening area. It is also possible to stack the cabinets vertically where greater vertical

dispersion is required.

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYS-

Rigging

The installation of Wharfedale Pro loudspeakers should only be carried out by fully qualified installers, in accordance with all the required safety

codes and standards that are applied at the place of installation.

Whenever a Wharfedale Pro loudspeaker is fixed in an installation the installer must ensure that the fixing method used is capable of safely and

securely supporting the load. Secure fixings to the building structure are vital. Seek help from architects, structural engineers or other specialists if in

any doubt.

As a minimum safety requirement the industry design standard of 5:1 is recommended. Therefore to suspend a 20kg loudspeaker the suspension

method must be rated for at least 100kg, (5 times 20kg). This applies to static systems only. In addition to the primary fixing method a second-

ary “safety” fixing should also be employed should the first fixing fail.

WARNING: As the legal requirements for flying change from country to country, please consult you local safety standards office

before installing any product. We also recommend that you thoroughly check any laws and bylaws prior to commencing work.

All Wharfedale Twin X loudspeakers are fitted with M10 flying inserts. One of the simplest and most reliable methods of flying a loudspeaker

cabinet is to use eyebolts screwed into these M10 inserts. Various types of eyebolts are available but for the purposes of suspending a loudspeak-

er cabinet on only a forged shoulder eyebolt with product traceability should be considered. Always use eyebolts according to the manufacturer’s

instructions.

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYS-

Specifications

Model name TWIN 8X TWIN 10X TWIN 12X TWIN 15X

Features 8” coaxial 10” coaxial 12”coaxial 15” coaxial

Freq resp +/- 3 db 65-20k 60-20k 55-20k 45-20k

Sensitivity 1w@1m 94dB 96dB 98dB 99dB

Nom coverage Horiz. 60 70 70 70 - - - -

Nom coverage Vert. 60 70 70 70 - - - -

Power: IEC noise 6db crst

Continuous 100 150 200 300

Music 200 300 400 600

Peak 400 600 800 1200

Max spl peak 120dB 124dB 127dB 130dB

Nom impedance 8 Ω8 Ω8 Ω8 Ω

Product dimensions

H 373 434 496 562

W 288 322 362.5 454

D 250 319 364 422

Carton dimensions

H 432 496 558 624

W 339 374 418 475

D 311 376 418 508

Weight Net 11.2KG 15.5KG 17.8KG 27KG

Weight Gross 13.2KG 17.8KG 19.8KG 30KG

L F driver size 8” 10” 12” 15”

HF SECTION:

Coil size 2” 2” 2” 2”

Exit size 1” 1” 1” 1” - - - -

HF Diaphragm matl titanium titanium titanium titanium

Phase plug type radial radial radial radial

HF Protect Type bulb bulb bulb bulb - - - -

Crossover point 2.6kHz 2.5kHz 2.3kHz 2.4kHz

200Hz

Finish Black or white Black or white Black or white Black or white

textured paint textured paint textured paint textured paint

Construction birch plywood birch plywood birch plywood birch plywood

Handles qty 1 1 1 1

Rigging 12 x M10 flying 12 x M10 flying 12 x M10 flying 12 x M10 flying

inserts & one flying inserts & one flying inserts & one flying inserts & one flying

track on top track on top track on top track on top

Rubber feet 7 7 7 7 4 4 4 4

Grille full steel full steel full steel full steel

Stand adaptor no yes yes yes

Input connectors two neutrik speakon two neutrik speakon two neutrik speakon two neutrik speakon

High Pass Output no no no no

Measurements

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYS-

TWIN 15X SUB TWIN 18X SUB TWIN 15XSUB ACTIVE TWIN 18XSUB ACTIVE

Folded Bass Horn Subwoofer Folded Bass Horn Subwoofer Powered Subwoofer Powered Subwoofer

40-150Hz 35-150Hz 40-200Hz 35-200Hz

100dB 102dB 100dB 102dB

----

450 600 600 600

900 1200

1800 2400

133dB 136dB 128dB 130dB

4 Ω4 Ω4Ω4Ω

668 720 668 720

460 538 460 538

618 692 618 692

714 777 714 777

492 739 492 739

650 585 650 585

45.5KG 62.5KG 60.0KG 70.8KG

48.5KG 64.5KG 63.0KG 72.8KG

15” 18” 15” 18”

- - - -

----

- ---

----

150Hz 150Hz Selectable 80, 100, 150, 200Hz Selectable 80, 100, 150,

Black or white Black or white Black or white Black or white

textured paint textured paint textured paint textured paint

birch plywood birch plywood birch plywood birch plywood

2 4 2 4

10 x M10 flying 10 x M10 flying None None

inserts inserts

4444

part steel part steel part steel part steel

yes yes yes yes

two neutrik speakon two neutrik speakon XLR x 2 XLR x 2

yes (one neutrik speakon@ 80Hz) yes (one neutrik speakon@ 80Hz) No No

TWIN X SERIES MULTI-PURPOSE LOUDSPEAKER SYS-

Part Number Description

TWIN12-DIA Twin 12 diaphragm

TWIN12-F9 Twin 12 full range bass drive unit

TWIN12-FEET Twin 12 feet

TWIN12-XO Twin 12 crossover assembly

TWIN12/G Twin 12 grille

TWIN15SB-DO79 Twin 15SB woofer

TWIN15SB-XO Twin15SB crossover assembly

Parts

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