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QLIGHT ™ SERIES 
 
USER MANUAL 
 
 
 
TQ-230 
TQ-308 
TQ-310 
TQ-315 
TQ-445 
TQ-425 
TQ-115 
 
 
 
 
 
Turbosound Ltd. 
Star Road, Partridge Green 
West Sussex RH13 8RY United Kingdom 
Tel: +44 (0)1403 711447 Fax: +44 (0)1403 710155 
Web: www.turbosound.com 
Issue 1.2  July 2006 
Copyright © 2006 Turbosound Ltd.                                                                                                                                                                                    
                    
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                        user manual  QLight ™ series  CONTENTS  Thanks................................................................................................................................................. 4  Unpacking the QLight™ series loudspeaker..................................................................................... 4  Features ....................................................................................................................................................5  Product Range Su
                    
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                        user manual  QLight ™ series  Limited Warranty .............................................................................................................................. 26  Warranty Coverage........................................................................................................................... 26  Shipping ............................................................................................................................................ 26  Incidental and conseque
                    
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                        user manual  QLight ™ series  Introduction    Thanks  Thank you for choosing a QLight™ series loudspeaker product for your application. Please spare a  little time to read the contents of this manual, so that you can obtain the best possible  performance from this unit.  All TURBOSOUND products are carefully engineered for world class performance and reliability.  If you would like further information about this or any other TURBOSOUND product, please  contact us. Detailed product information is
                    
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                        user manual  QLight ™ series  FEATURES    • Superb audio quality: carefully designed and matched loudspeaker drive units are used  to give you exceptional performance and many years of reliable, trouble free operation.  • Ease of use: QLight™ series products are exceptionally easy to set up and use with the  minimum of technical knowledge required.  • Multi-way designs: the exclusive use of cone transducers in the mid frequency bands  guarantees seamless crossover regions, as well as greater pow
                    
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                        user manual  QLight ™ series  PRODUCT RANGE SUMMARY    TQ-230  The TQ-230 is a compact passive 2-way loudspeaker with two 5” woofers designed for foreground,  background and in-fill music applications as well as a theatre under-balcony loudspeaker. Its wide  horizontal dispersion and a rotatable high frequency horn enable horizontal or vertical orientation.  Intended for portable use as well as for fixed installations, the TQ-230 is provided with rigging  points to enable use with eyebolts, wall
                    
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                        user manual  QLight ™ series  TQ-425  The TQ-425 is a front loaded, double neodymium 15” vented subwoofer designed to combine with  QLight™ series enclosures to give a high quality, full range sound reinforcement system ideally  suited to all corporate, industrial, theatre and audio visual applications. When used with the LMS- D6 digital crossover it will reproduce high sound pressure levels at bass and sub-bass frequencies.  The TQ-425 is equipped with a pole mount socket to enable QLight™ seri
                    
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                        user manual  QLight ™ series  SYSTEM REQUIREMENTS  QLight™ series passive loudspeaker enclosures require only one amplifier channel for correct  operation, the frequency splitting between the low frequency driver and the high frequency driver  being accomplished by the internal passive crossover network built into each enclosure. If  subwoofer enclosures are used as part of a bi-amplified system in conjunction with QLight™  series 2-way enclosures to extend low frequency response, additional amp
                    
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                        user manual  QLight ™ series  In general, the more powerful the amplifier, the better it will sound, provided that it is not driven  into sustained clipping. It should be understood that overdriving an insufficiently powered  amplifier is more likely to cause loudspeaker damage – the total energy in a heavily clipped signal  is far higher than in an unclipped signal – than operating a more powerful amplifier within its  ratings.  One loudspeaker management system can be used to feed several ampl
                    
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                        user manual  QLight ™ series  6dB down with respect to centre, (averaged over the whole frequency range of the loudspeaker).   Converging Elliptical Waveguide™  A design feature of the TQ-308, TQ-310 and TQ-315 is the Converging Elliptical Waveguide™  (CEW™ ), available in two directivity patterns: 100° x 60° and 80° x 50°. This gives many user  advantages. The comparatively short flare length allows the HF and LF components to be  physically aligned in the cabinet, so ensuring coherent arrival 
                    
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                        user manual  QLight ™ series  MOUNTING AND FIXING    Rigging Hardware  A versatile range of mounting hardware is available that allows enclosures to be used in a variety  of ways, in either mobile applications or permanent installations.  A top hat stand type fitting is fitted to the base of  QLight™ series full range and mid-high cabinets  for use with 35mm diameter loudspeaker stands. A  pole mount socket is also fitted to the top of the  QLight™ sub-bass cabinets. This allows two  enclosures 
                    
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                        user manual  QLight ™ series  RT-767 ring type flying points. Rigging points  are provided on the top and rear of the TQ-310  and TQ-315 for use with optional RT-767 rings,  enabling cabinets to be rigged in permanent  installations and for mobile applications.  Downward inclination of the enclosure can be  adjusted using the third RT-767 rigging point on  the rear of the cabinet        Swivel brackets provide a means of wall mounting some QLight™ series enclosures (TQ-308, TQ- 310 and TQ-315) i
                    
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                        user manual  QLight ™ series  Wall brackets are available for most Qlight™ series enclosures in different load ranges according  to the weight of the cabinet. Two examples are shown below: the WB-10 wall bracket with a TQ- 230 and the WB-20A with a TQ-310. Wall brackets can be dis-assembled to simplify installation and  are supplied with the necessary fixings (except wall fixings). Remove the countersunk screws in  the back of the box that correspond to the bolt hole pattern in the speaker plate
                    
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                        user manual  QLight ™ series  Side-mounted flying strips can be fitted to the  sides of TQ-445 enclosures by removing the  countersunk bolts on the top and sides of the  cabinet and replacing them with the M10 bolts  supplied with the hardware. Two flying strips are  required for each enclosure; one attached to each  side. This method offers a simple and cost  effective way of flying single enclosures in  permanent installations. Enclosures may also be  arranged in a vertical column by coupling 
                    
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                        user manual  QLight ™ series  Single point mount options include a universal FB-12 flybar assembly for  use with the TQ-445 and this enables the use of several different fixing  methods. The illustration at right shows the FB-12 with three different  methods of suspending the TQ-445 cabinet: a unilock fitting; a scaffold  clamp; and a  pick-up point adapter.  To attach the flybar first remove the threaded plastic plugs filling the  rigging points on the top of the cabinet. Fit the flybar to the 
                    
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                        user manual  QLight ™ series  The following table gives the predicted downward angle of TQ-445 enclosures when using the FB- 12 flybar.   Attachment position Vertical angle (negative angle denotes upwards) Hole number 1 (front of cabinet)  -29° Hole number 2  -23° Hole number 3  -17° Hole number 4  -10° Hole number 5  -3° Hole number 6  4° Hole number 7  11° Hole number 8  18° Hole number 9  24° Hole number 10  30° Hole number 11  35° Hole number 12 (rear of cabinet)  40°   Flying frames enable 
                    
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                        user manual  QLight ™ series    Summary of rigging options     TQ-230 TQ-308 TQ-310 TQ-315 TQ-445 TQ-425 TQ-115  Eyebolts M10 M10   M10 M10 M10  Rings   RT-767 RT-767    Wall WB-10 WB-20A WB-20A WB-55A    Ceiling CB-10 CB-20A CB-20A CB-55A    Swivel  SB-308 SB-310     Frame  FH-308 FH-310 FH-315 FH-445   Pole PB-55 PB-55 PB-55 PB-55 PB-55   Strips     FS-445 FS-425   Single     FB-12   point      Permanent installations  Any installation, whether temporary or permanent, must be securely attached
                    
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                        user manual  QLight ™ series  the system, are suitably qualified to do so and have a full understanding of all the factors involved  with safety as a number one priority. Turbosound accepts no responsibility for any accident,  damage or failure of any rigged system. This rigging information is specifically related to the  requirements of Qlight™ series enclosures only. For more detailed information on the whole topic  of rigging various handbooks are available. If you are in any doubt contact yo
                    
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                        user manual  QLight ™ series  MAINTENANCE    If any of the drive units should cease functioning and needs a replacement recone you are advised  to remove the faulty unit from the cabinet and send it to a professional recone service authorised  to recone Turbosound loudspeakers. This will ensure the continued high performance of your  QLight™ series product.  TQ-230 - Removal of the drivers  The grille is secured in place with four flange head screws underneath the grille foam, at the top  and bo
                    
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                        user manual  QLight ™ series  unit should be returned to an authorised Turbosound service centre. To reinstate the drivers,  simply reverse the above procedure making sure you observe the correct polarity when  reconnecting the cables back into the terminals of the drive units.    TQ-115 - Removal of the 15” driver  Remove the countersunk Allen head screws retaining the grille from the cabinet sides and lift the  grille away. Undo the M6 Allen head bolts holding the driver in place and carefully