opus USER MANUAL Opus 1 Opus 2 Opus 3 Tri-centre Tri-surround
opus CONTENTS User Warnings Quick Start Guide About Your Loudspeaker Specifications Quality Assurance WITHIN THIS PACK Certificate of Quality Assurance Systems and Driver Unit Test Reports 4 x White Cotton Gloves Accessories 2
opus USER WARNINGS Please read the following notes carefully. They will help you to install your loudspeakers correctly and safely. Switch off the amplifier and all sources before making connections to your sound system. When you switch on the system or change sources, set the volume control to minimum and turn up the level gradually. The position of your Volume Control is NOT a reliable guide as to the maximum capabilities of your system.
opus QUICK SETUP GUIDE (Opus Series) 4
opus Setting Up the Opus Series Safely unpacking Check you have Loudspeaker preparation Positioning stereo Hi-fi speakers Connecting stereo Hi-fi speakers Positioning AV speakers Connecting AV speakers Setting up AV systems Looking after your loudspeakers 5
opus Your Opus speakers are heavy. Take care when removing them from their packaging. Carefully remove each loudspeaker from its packing carton. Be especially careful when removing the polythene bag. The speakers come with the plinth complete and already fitted. The carton top says, “Open other end”.
CHECK YOU HAVE opus Opus 1, 2, 3 Opus Tri-Centre User Pack User Pack User Pack Accessories: Accessories: Accessories: • • • • • • 2 Gloves • Rubber Feet • Bi-wire Links • 2 Gloves • Rubber Feet 4 Gloves Long spike set (4) Soft floor spike seats Foam pad (4) Bi-wire Links (4) 7 Opus Tri-Surround
opus OPUS 1, 2 & 3 SPIKES Your floor standing Opus speakers are delivered with the plinth and spikes already fitted. Levelling/seating the speaker is best achieved by adjusting either of the rear spikes until the speaker is stable without rocking. Release the top knob, on the underside. Turn spike out and down to level. Re-lock top knob. For wood or soft floors 8 metal spike seats and self-adhesive pads are provided for use as required.
Positioning the speakers. Place the speakers so that you are the same distance from each. The distance between the speakers should be the same as between you and the speakers. 20cm 70cm 0 5º - 3 º Angle speakers inward by 5º to 30º for a clearer, more tuneful mid range. º For best results the speakers should be at best 10 inches (20cm) in front of a wall and at least 30 inches (70cm) from any corner.
opus RIGHT SPEAKER LEFT SPEAKER L.SPKR R.SPKR Single wired a single amplifier, tri-link bar is fitted Using separate cables for treble, mid and bass units in Tri or Bi-wiring configuration reduces intermodulation effects and improves headroom and clarity. To Bi-wire, you will need to install two lengths of twin core cable between the amplifier and each loudspeaker. Unscrew each terminal a few turns and remove the metal tri-link straps.
opus THE HOME THEATRE ENVIRONMENT POSITIONING AV SPEAKERS Front and Effects Channels The front loudspeakers are placed on either side of the television screen, 2 to 3 metres apart. The speakers should be angled slightly so they are aimed towards the listeners. As the rear surround channels are the ‘effects’ channels the reproduced sound should be as room filling as possible. We recommend placing the speakers in a high position, behind the listeners head.
opus Subwoofer System with Subwoofer Speakers OPUS Centre Loudspeaker A set of self adhesive pads is provided. Peel off the backing material and fix a pad close to each corner of the bottom surface of the loudspeaker. Single wiring shown SUB WOOFER RIGHT RIGHT LEFT REAR CENTRE LEFT FRONT Single wiring shown RIGHT LEFT OPUS Surround Loudspeaker Four self adhesive spaces are provided with each unit. Attach one close to each rear corner of the cabinet.
SETTING UP AV SYSTEMS opus Setting Loudspeaker Sizes Many digital AV Processors require you to specify the size of speakers in all channels. These are usually ‘Large or small’. For Opus set the front speakers to ‘large’, set the centre to ‘large’ and the surrounds to small. The subwoofer then will reproduce only the LFE bass signals. If you are not using a subwoofer: Set the front speakers to set the subwoofer option on the processor to ‘Off’ or ‘No’.
opus Delay Settings LFE In the cinema the low frequency effects channel is an extra bass channel with its own subwoofer and not a regular subwoofer channel. In domestic systems the LFE channel typically feeds into the subwoofer. Where no subwoofer is used, the LFE signal is combined with front channel information and sent to the front speakers. When you set the LFE level at your AV processor, use care as the powerful low frequencies can overload domestic loudspeakers.
LOOKING AFTER YOUR LOUDSPEAKER opus Do not open the speakers; there are no user serviceable parts inside. Remove marks from the cabinet and polish it with a soft, slightly damp cloth. Avoid getting any liquid behind the grille.
opus TECHNICAL SUPPORT AND INFORMATION For technical support, servicing or product queries and information please contact either your local retailer or the offices below. UK USA ASIA Wharfedale International Ltd. IAG America, Inc. Room 2310 - 2311 Press Building, IAG House, Sovereign Court, 15 Walpole Park South, Shennan Road C, Ermine Business Park, Walpole, Shenzhen, Huntingdon.
opus ABOUT YOUR LOUDSPEAKER 17
opus ‘THE OPUS SERIES’ The OPUS is a new series of loudspeakers. They are large format loudspeakers, utilising multiple drive units. The loudspeaker meets the demands of the most discerning audiophile. These 3 way loudspeakers exhibit exceptional performance characteristics based upon the following concepts. Very low distortion across the entire audio band. Low excursion requirement of the cone drivers. High flux magnet systems enabling good dynamic response and impulse control.
opus THE DRIVE UNITS THE BASS DRIVERS The bass driver(s) incorporates a new design of cone utilising our own new bi-carbon weave process. Carbon fibre has immense longitudinal strength and is used in many structures where high strength and light weight are key attributes. Carbon fibre can be found liberally used in Formula 1 Racing Cars, Aeroplanes, Boats, Spacecraft and even Golf Clubs.
opus THE 75mm 3” SOFT DOME MIDRANGE A studio monitor quality large dome mid-range is used to cover the crucial midband frequencies. The key feature of this driver is exceptionally low distortion over its entire working range, typically less than 1% when producing 100dB at 1 metre. It is mounted in a custom matched fascia plate to provide partial horn loading and giving a broad angle of dispersion to its upper crossover point.
opus SPECIFICATIONS OPUS 1 OPUS 2 3 Way 3 Way 8” 200mm 8” 200mm x 2 Soft Dome Mid-Range 3” 75mm 3” 75mm Soft Dome Tweeter 1” 25mm 1” 25mm Transducer Complement Cone Bass driver Nominal impedance 6Ω 6Ω Impedance variation (ohms) 4.2–40 4.
opus OPUS 3 TRI-CENTRE TRI-SURROUND 3 Way 3 Way 3 Way 10” 250mm x 2 6.5” 170mm x 2 6.5” 170mm 3” 75mm 3” 75mm 3” 75mm x 2 1” 25mm 1” 25mm 1” 25mm x 2 6Ω 6Ω 6Ω 4.0–28 4.
opus Frame material Cone & dome material Surround Spiders Coil size & type Winding spec Magnet (D1 x D2 x H) Magnet weight Gap flux density Top plate thickness Optimum working range Venting Thiele Small parameters Effective cone diameter Re Fs Qms Qes Qts Mms Cms Vas BL 250mm 10” 200mm 8” 170mm 6.5” Aluminium/Steel Woven carbon fibres s r b p Single roll Single 38mm Aluminium 2 layer round cu x 15mm 115 x 56 x 20 ferrite 760gm 1.
opus MIDRANGE SPECIFICATIONS Part number Dome material & size Coil size & type Magnet d1 x d2 x h Magnet weight SPL 1w @ 1m Fs Frequency range -3dB Distortion at 100dB @ 1m 0719 & 0723 75mm textile 75mm aluminium 70 x 32 x 15 248gm 93dB 500Hz 400Hz–5kHz typically < 1% TWEETER SPECIFICATIONS Part number Dome material & size Coil size & type Magnet d1 x h Magnet weight SPL 1w @ 1m Fs Frequency range -3dB Upper frequency limit -10dB Distortion at 100dB @ 1m 0326 & 0334 25mm textile 25mm aluminium 25.
opus R=1Ω/5W C=50uF/50V R=10Ω/10W C=4.7uF/250V C=4.7uF/250Vx2 L=3mH/OI 1.0 R=2.2Ω/25W L=0.3mH/OI 0.54 L=0.9mH/OI 1.2 C=4-7uF/250V 2096 0723 R=1.5Ω/5W R=1.8Ω/25W C=32uF/50V R=15Ω/10W C=4.7uF/250V C=4.7uF/250Vx2 L=4.4mH/OI 1.2 C=4uF/50F L=0.23mH/OI 0.53 L=0.68mH/OI 1.2 0326 2097x2 0723 0334 C=4uF/250F C=110uF/50V L=2.4mH/OI 1.2 L=0.8mHOI 5.2 R=15Ω/15W C=4.7uF/250V C=10uF/250F L=0.23mH/OI 0.53 L=0.6mH/OI 0.74 2542x2 0723 R=1Ω/5W 0334 C=4.7uF/250F C=32uF/160V L=1.65mH/OI 1.
opus QUALITY MANAGEMENT Your Opus loudspeakers have been constructed to the highest standards of quality throughout. The acoustic components and the whole system have been manufactured to very tight tolerances of +/- 1 decibel of sound pressure level for each driver throughout the operation range of the unit. All drive unit components are serially numbered and the original test record set for your loudspeakers is retained on file in our factory quality control department.
Wharfedale International Ltd. IAG House, Sovereign Court, Ermine Business Park, Huntingdon. PE29 6XU. England. Tel : 0845 458 0011 / +44 (0) 1480 447700 Fax : +44 (0) 1480 431767 www.wharfedale.co.
