Optimal Audio Cuboid User Manual Download Page 1 | Manualshive

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Loudspeakers

Cuboid

Loudspeaker

USER GUIDE

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Summary of Contents for Cuboid

Page 1: ...Loudspeakers Cuboid Loudspeaker USER GUIDE ...

Page 2: ... used in conjunction with the rest of the Optimal Audio eco system Cuboid will surprise you with its performance even coverage and professional aesthetic This Quick Start Guide will help you get your Cuboids rigged positioned and connected correctly Congratulations on your choice of Optimal Audio for your latest sound system installation 2 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optima...

Page 3: ... fed with a full range output from an amplifier and an internal cross over network divides the signal between the high and low frequency drivers Rotatable high frequency horn low frequency driver bass reflex port M8 fixings 3 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio Group Ltd v1 1 Introduction Overview Wall mounting Horn rotation Ceiling mounting Connecting up Matching spe...

Page 4: ...acket assembly It is highly recommended that a secondary safety fixing be fitted This can be achieved using a suitable rated M8 eyebolt and rated safety chain or steel wire rope Cuboid Model Wall bracket Combined weight U Bracket Combined weight Eyebolt fitting Cuboid 8 A 10 64kg A 13 0kg M8 x 16 Cuboid 10 B 17 26kg B 20 0kg M8 x 21 Cuboid 12 B 21 26kg C 25 5kg M8 x 21 Cuboid 15 C 31 35kg D 35 0kg...

Page 5: ...points and secure with the four bolts from the back of the cabinet Optional Wall Bracket mounting positions enable greater down tilt using the lower four M8 bolt position or the loudspeaker can be mounted in landscape mode by rotating the bracket as shown Wall Mounting Portrait or Landscape 5 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio Group Ltd v1 1 Introduction Overview Wal...

Page 6: ...his provides the pivot for angling the loudspeaker Adjust the grub screw to fix the down tilt angle Once the loudspeaker is in position and you are happy with the angle adjustments tighten all fixings as shown to lock the cabinet in place Horizontal fixings Vertical fixings Grub screw 6 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio Group Ltd v1 1 Introduction Overview Wall moun...

Page 7: ...is both sides of centre These specifications refer to the loudspeaker ex factory With the loudspeaker in portrait the horn is fitted to deliver coverage as shown in the table above If you intend to mount your Cuboid in landscape mode when suspending horizontally from ceiling for instance consider rotating the horn as shown in the following images Speaker positioning and aiming Cuboid Model Horizon...

Page 8: ...s Rotate horn Rotate cabinet 2 4 1 3 8 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio Group Ltd v1 1 Introduction Overview Wall mounting Horn rotation Ceiling mounting Connecting up Matching speakers and amps Safety information ...

Page 9: ...entre axis of the horn where you have maximum level from the system It therefore follows that the horn axis should be aimed at the furthest point of the audience Sound level however decreases by 6dB for every doubling of distance This means that 96dB at 5m from a loudspeaker will reduce to 90dB at 10m a significant drop in energy Ceiling mounting using the U bracket Loudspeaker aiming 2 5 d e g ID...

Page 10: ...ve 11 40 m IN THIS EXAMPLE THE ROOM IS TOO BIG FOR ONE SPEAKER TO BE ABLE TO COVER RIGHT TO THE BACK A SECOND SPEAKER IS ADDED AT THE POINT WHERE THE FIRST AND SECOND CROSS OVER THE SECOND IS DELAYED BACK TO THE FIRST USING THE FORMULA distance speed of sound 334m s 20 degrees C IN THIS CASE 11 4 334 0 033 seconds 33 milliseconds 10 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio...

Page 11: ...onnected and are not linked through For connection we recommend using a flexible cable with a minimum cross sectional area of 1 5mm 1 2 1 2 Connecting Up Cuboid connector viewed from rear Cuboid uses these terminals When wiring loudspeaker cables be careful to observe the correct polarity of the cable and connector at both ends 11 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio G...

Page 12: ...200W So give a Cuboid 8 200W of continuous power and you will get 115dB SPL out of it if you are standing 1m away from it It will however be able to deliver transient peaks in the audio signal at 121dB SPL 1m without distortion or damage What this all means is that for the best performance from your loudspeaker make sure you have an amplifier that is capable of delivering more than a loudspeaker s...

Page 13: ...racket for Cuboid 8 Black U Bracket B Black UB2 B U Bracket for Cuboid 10 Black U Bracket C Black UB3 B U Bracket for Cuboid 12 Black U Bracket D Black UB4 B U Bracket for Cuboid 15 Black Accessories 13 16 Cuboid Loudspeakers Loudspeakers USER GUIDE 2021 Optimal Audio Group Ltd v1 1 Introduction Overview Wall mounting Horn rotation Ceiling mounting Connecting up Matching speakers and amps Safety i...

Page 14: ...able 80 H x 50 V user rotatable 80 H x 50 V user rotatable ENCLOSURE Trapezoid wooden cabinet Trapezoid wooden cabinet Trapezoid wooden cabinet Trapezoid wooden cabinet FINISH Black textured paint Black textured paint Black textured paint Black textured paint PROTECTIVE GRILLE Black perforated steel with scrim cloth backing Black perforated steel with scrim cloth backing Black perforated steel wit...

Page 15: ...ble from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 10 Do not unplug the unit by pulling on the loudspeaker cable use the plug 11 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as liquid has been spilled or objects have fallen into the apparat...

Page 16: ...Relax It s Optimal Audio Optimal Audio Group Ltd Century Point Halifax Road Cressex Business Park High Wycombe Buckinghamshire HP12 3SL optimal audio co uk ...

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