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OHM CORA Series, Manual

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OHM CORA Series Manual Download Page 22

FRONT LINKS

GROUNDST

ACK

SPLAY

 LIN

K

GROUNDST

ACK

FRONT LINK

ST

ORAG

E

LO

CK

6°

4°

2°

0°

- 2°

- 4°

- 6°

C-AF  CORA

ARRA

Y FRAME - 

We

ight 27 kg

Engineered and manufactured in the UK

ST

ORAG

E

Manchester - England

Version 7.0 01/02/2019

22

Mixed CORA or CORA-A and 
CORA-S

 

cabinets in ground stack 

format.
NB: Maximum stack is 8 cabinets.

CORA-S

 

cabinets in ground stack 

format.
NB: Maximum stack is 6 cabinets.

Summary of Contents for CORA Series

Page 1: ...FRONT LINKS GROUNDSTA CK FRONT LINK STORAGE LO CK CORA Series Rigging Manual Manchester England Version 7 0 01 02 2019...

Page 2: ...ism 4 3 Flown arrays 4 4 CORA CORA active 4 5 CORA S 4 6 Flying a mixed CORA array 4 7 Ground stacking the CORA array 4 8 CORA flightcases 5 Safety Checks 5 1 Mechanical safety 5 2 System wiring 5 3 S...

Page 3: ...Y FR AM E We igh t 27 kg En gin ee red an d ma nu fac tur ed in the UK ST OR AG E Manchester England Version 7 0 01 02 2019 3 1 Introduction to CORA CORA is a high power lightweight compact line array...

Page 4: ...rigging appear faulty please withdraw these from use and contact Ohm for repair 2 2 Load Capacity The C AF CORA array frame is designed to suspend a maximum total load of 8 x CORA S 333 40 kg includin...

Page 5: ...k pro A sync software is available as a standalone software package for both macOS and Windows based operating systems Download from www ohm co uk downloads 2 4 Operation CORA array should always be a...

Page 6: ...S A mix of CORA S and CORA CORA A line array CORA array frame C AF 630 mm 572 mm 416 34 mm 628 mm 84 6 mm 188 55 mm Secondary safety mount 4 off positions Secondary safety mount 4 off positions Flyin...

Page 7: ...hangs of either CORA CORA A or CORA S On either side of the frame a front link and a splay link are built into the frame for ease of ground stacking These links rotate from within the frame and can be...

Page 8: ...e with 13 pickpoint holes The pickpoint required will depend on the load angle and deployment of the array in question single or dual pickpoint operation To determine the correct pickpoint it is recom...

Page 9: ...determined by using Ohm s pro A sync simulation software A one tonne shackle must be used in conjunction with a half metre wire sling to ensure that the chain bag of the hoist being used does not fou...

Page 10: ...oint operation and the angle of the array calculated using Ohm pro A sync For optimum array vertical alignment an inclinometer should be attached to the frame and the measuring device operated from fl...

Page 11: ...triangle maintaining the maximum sling angle of 60 A further two shackles must be used on the other end of the wire slings and then attached to a load ring and from there to the secondary safety poin...

Page 12: ...DF s can be generated from within the software and printouts made to assist the riggers with the suspension points chain hoists and pick pin points Inspection before setup Clear the working area befor...

Page 13: ...he cabinet at the top by default are in the storage position Removal of the pins here allows the splay links to rotate upwards to be connected to the correct alignment hole in the cabinet above accord...

Page 14: ...be deployed at the top of the array and should not be used within clusters of CORA CORA A array loudspeakers in one array hang Pin A Pin B CORA S array frame section Steel sub link Remove pin B from...

Page 15: ...nce you have chosen the correct type of suspension for your application single or dual pickpoint attach the rigging to the frame as described in chapter 3 4 3 5 single dual pickpoint At this point it...

Page 16: ...ith the first cabinet attached and then lower onto the next cabinet and repeat the process Connect the speaker lines CORA or power and signal CORA A according to the number of amplifier channels and c...

Page 17: ...he pro A sync software lock into place using pin B Raise the array ready to take the next prepared cabinet Place cabinet below Remove pin C from top cabinet lower the frame until the front top links o...

Page 18: ...first cabinet attached and then lower onto the next cabinet and repeat the process Connect the speaker lines according to the number of amplifier channels and cabinets used CORA S shares the same sym...

Page 19: ...ST OR AG E Manchester England Version 7 0 01 02 2019 19 Add additional subs as follows Position the frame and CORA S using the hoist over the additional CORA S Remove the pins from the top of the sub...

Page 20: ...spension the second frame is used beneath the subs to attach CORA CORA A array cabinets Prepare all the cabinets rigging hardware as described in chapter 3 7 CORA Array Rigging Mechanism An additional...

Page 21: ...E We igh t 27 kg Eng ine ere d and ma nuf act ure d in the UK STO RA GE Manchester England Version 7 0 01 02 2019 21 4 7 Ground Stacking the CORA Array Some safety limitations must be considered when...

Page 22: ...F CO RA AR RAY FR AM E We igh t 27 kg Eng ine ere d and ma nuf act ure d in the UK STO RA GE Manchester England Version 7 0 01 02 2019 22 Mixed CORA or CORA A and CORA S cabinets in ground stack form...

Page 23: ...LOCK 2 0 2 4 6 REA R LIN KS GROUNDSTACK SPLAY LINK STORAGE 2 0 2 4 6 C AF CORA ARRAY FRAME Weight 27 kg Engineered and manufactured in the UK STORAGE Manchester England Version 7 0 01 02 2019 23 4 8 C...

Page 24: ...and ensure all locking pins are seated correctly and locked In single pickpoint operation check the desired vertical angle of the entire array by using an inclinometer attached to the frame 5 2 System...

Page 25: ...underneath or in the vicinity of the load whilst it is being raised 6 2 Making Safe at Height Once the array is at its final trim height secure the secondary safety as described in chapter 3 6 Seconda...

Page 26: ...er Front and Rear Splay Links Visual inspection for cracks corrosion or other damage Check drilled holes for deformation Locking Pins Check the operation of each pins release mechanism Visual inspecti...

Page 27: ...r Ohm DSP solutions Speaker Cables Min 4 x 2 5 mm2 Preferred 4 x 4 mm2 PRODUCT FEATURES Components 2 x 8 OHM driver on phaseplug coupler 2 x 4 Planar wave drive Crossover Passive 1 15 kHz with dispers...

Page 28: ...Manchester England Version 7 0 01 02 2019 28 Front Bottom Side Back Top 632mm 576mm 300mm CORA Array Cabinet Drawing...

Page 29: ...rallel link output Protection Internal multiband peak and RMS limiter thermal limiter and protection on amplifier PRODUCT FEATURES Components 2 x 8 OHM driver on phaseplug coupler 2 x 4 Planar wave dr...

Page 30: ...Manchester England Version 7 0 01 02 2019 30 Front Bottom Side Back Top 632mm 576mm 250mm 300mm CORA A Array Cabinet Drawing...

Page 31: ...ES Components 1 x 15 Low frequency driver Crossover Passive Active LPF 110 Hz HPF 29 Hz Connectors 4 x 4 pole speakON connectors Dimensions H x W x D mm 440 x 572 x 630 Weight kg 39 8 Shipping Weight...

Page 32: ...Manchester England Version 7 0 01 02 2019 32 Front Bottom Side Back Top 572mm 440mm 451 3mm 630mm CORA S Cabinet Drawing...

Page 33: ...e applicable EC Directive s This declaration shall cease to be valid if alterations are made to the equipment without our prior agreement This declaration includes CORA array loudspeaker cabinets incl...

Page 34: ...chester England Version 7 0 01 02 2019 34 aural ltd Wellington Close Parkgate Industrial Estate Knutsford Cheshire WA16 8XL United Kingdom Tel 44 0 1565 654641 Email info ohm co uk Website www ohm co...

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