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Array Rigging

Installation and Safety Guidelines Page 17

Integrating Subwoofers with Arrays

The RoomMatch™ subwoofer modules are designed with the same width as the full-range modules (with the optional RMSFLY kit

installed) to allow use with most RoomMatch rigging accessories. RoomMatch subwoofer modules may be combined with full-range

modules in the same array, or used exclusively in subwoofer-only bass arrays. The choice of “flying” or floor mounting subwoofers

involves complex analysis of the venue physical dimensions and mounting limitations, room acoustics, aesthetic requirements, and de-

sired uniformity of coverage in the listening areas. While the analysis of all of these factors is beyond the scope of this document, your

local Bose Field Engineer or Technical Support professional can provide assistance in this area. Once the decision to array subwoofers

is confirmed, the following are typical subwoofer array configurations using RoomMatch rigging accessories:

Small Array Frame with Subwoofer Modules

The Small Array Frame (RMAFSM) allows up to 4 RoomMatch RMS215 subwoofer modules (with RMSFLY kits installed) to be config-

ured as a vertical column array. The vertical array dimensions provide increased directional control of low-frequencies in the vertical

plane. Subwoofer arrays with vertical column configurations are recommended to be installed with 0 degree pitch, to ensure equal

distribution of load forces in the rigging hardware.

Large Array Frame with Subwoofer Modules

The Large Array Frame (RMAFLG) allows up to 8 RoomMatch RMS215 subwoofer modules (with RMSFLY kits installed) to be config-

ured as a vertical column array. The vertical array dimensions provide increased directional control of low-frequencies in the vertical

plane. Subwoofer arrays with vertical column configurations are recommended to be installed with 0 degree pitch, to ensure equal

distribution of load forces in the rigging hardware.

Large Array Frame plus Extender Bars with Subwoofer Modules

The Large Array Frame with Extender Bars (RMXSRT or RMXLNG) is typically used to integrate subwoofer modules behind other mod-

ules in the same array. The Extender Bars can accommodate up to 2 RMS215 subwoofer modules mounted in the rear position. This

allows the Large Array Frame with Extender Bars to be configured as a “2 x 2” subwoofer array, with or without additional full-range

modules to be integrated in the same array. The largest RoomMatch array configuration using standard rigging accessories uses this

configuration with the “2 x 2” subwoofer array, plus an additional 6 full-range modules. Note: This configuration requires use of the

RMPULL bracket attached to the bottom full-range module to provide a third structural attachment point for the array (in addition to the

attachment points of the left and right rails). For DSP settings and directivity information for subwoofer arrays, please refer to the docu-

ment, “RoomMatch Array Rigging Frames and Accessories Installation and Safety Guidelines.”

Using Subwoofer Threaded Inserts for Custom Rigging

The RoomMatch RMS215 subwoofer module is equipped with M10-size threaded inserts to allow suspension using graded eyebolts or

custom-designed rigging solutions. Please refer to the “RoomMatch Subwoofer Module Installation and Safety Guidelines” document

for additional information.

RMPINS Quick-Connect Pins

An optional accessory kit (RMPINS) is available with quick-connect pins designed to replace the standard threaded fasteners used for

module-to-module connections in RoomMatch arrays. The quick connect pins do not change the WLL ratings of any recommended

array configuration and can be used with either the full-range or subwoofer modules. Each kit contains 4 quick-connect pins, which are

required for each module in the array.

RMSHAD Gain Shading Kit

An optional gain shading kit (RMSHAD) is available for RoomMatch™ modules to attenuate the lower-3 compression drivers relative to

the upper-3 drivers. This option may provide more uniform coverage in array configurations with large changes in directivity index from

module to module. The need for the Gain Shading Kit is best determined by using Bose Modeler sound system design software and re-

viewing the room coverage predictions. For installation instructions, please refer to the document, “RoomMatch RMSHAD Module Gain

Shading Kit Accessory Instruction Sheet.”

Содержание RoomMatch

Страница 1: ...RoomMatch Array Design and Installation Manual Installation and Safety Guidelines For professional installation and use only ...

Страница 2: ...ion We recommend Bose mounting accessories when available A licensed professional engineer must review the design and fabrication of any custom mounting hardware 3 Bose RoomMatch array module loudspeakers feature an integrated side plate rigging system designed to facilitate loudspeaker array mounting by professional installers Module to module connections should be made using only the integrated ...

Страница 3: ... coverage from single modules up to 8 module arrays to ensure consistent tonal balance for many different room shapes and acoustic requirements The full range modules are shipped with integrated side plate array rigging hardware The rigging system is designed to allow fast con struction of typical fixed installation arrays of up to 8 modules while maintaining a 10 1 Safety Factor A companion subwo...

Страница 4: ...ing in back of primary array Also provides additional shackle mounting holes to allow more extreme angles for 2 point mounting Kit of left and right pair with fasteners RMXSRT Short Extender Bars Use with Large Array Frame to accommodate up to 2 subwoofer modules mounting in back of primary array Also provides additional shackle mounting holes to allow more extreme angles for 2 point mounting Kit ...

Страница 5: ...gration of subwoofer modules in RoomMatch arrays Kit of left and right pair with fasteners The following table lists the dimensions and weights for RoomMatch accessories For the RMBRKT RMPINS RMSFLY RMXLNG and RMXSRT parts the dimensions are per piece Weights listed are the total weights for all pieces included in the accessory kit Figure 4 RoomMatch Rigging Accessories Dimensions and Weights Rigg...

Страница 6: ...onfiguration Types RoomMatch rigging accessories allow for several basic types of module configurations surface mount full range only array full range with subwoofer array full range with cardioid subwoofer array subwoofer only array Each configuration requires different rigging hard ware accessories General guidelines for the accessories required for each of these categories is presented in the f...

Страница 7: ...eaker components and rigging hardware The WLL is defined as the ultimate break strength divided by the safety factor For example if a component has ultimate break strength of 10 000 pounds the WLL rating would be 1 000 pounds with a 10 1 safety fac tor This rating provides a margin of safety to accommodate reduced strength from normal wear and dynamic loading For components used to suspend loudspe...

Страница 8: ...the System Work ing Load Limit for the component the per point value is multiplied by the effective number of attachment points that contribute to load bearing While each module side plate requires 4 physical fastener connections 2 per side the effective load is supported by only 2 connections per module 1 per side due to the location of the centers of gravity and fastener locations Therefore the ...

Страница 9: ...ces can impart moment loads on a component that exceeds the WLL rating even though the total weight of the array is less than the WLL rating for any component For example the following illustration shows the output of the RoomMatch Array Frame Suspension Angle Calculator which highlights that the WLL of the top module has been exceeded even though the total column weight of the modules is less tha...

Страница 10: ...ng general guidelines apply to all configurations of RoomMatch arrays unless otherwise specifically approved by a licensed mechanical or structural professional engineer 1 Small Array Frame may contain a maximum of 4 modules full range or subwoofer 2 Large Array Frame may contain a maximum of 8 modules full range or subwoofer 3 Subwoofer modules must always be located in the top positions closest ...

Страница 11: ...isted pickup points When the maximum pitch angle has been reached for the specified array configuration the table will list n a for the pickup point and predicted pitch values Prediction Accuracy To confirm the accuracy of the predicted pitch angles we tested both the Small Array Frame and Large Array Frame to compare actual constructed array pitch angles versus the predicted values The testing re...

Страница 12: ...27 9 9 10 29 8 5 10 27 9 7 15 30 14 7 15 33 15 2 15 30 14 5 20 33 19 3 20 n a n a 20 33 19 2 25 n a n a 25 n a n a 25 n a n a Small Array Frame 3 Modules with Subwoofer 3 Module with Sub 70 Total V 3 Module with Sub 80 Total V 3 Module with Sub 90 Total V Array Modules Desired Pitch Pickup Point Predicted Pitch Array Modules Desired Pitch Pickup Point Predicted Pitch Array Modules Desired Pitch Pi...

Страница 13: ... n a n a RMxx40 10 n a n a 15 n a n a 15 n a n a 15 n a n a 20 n a n a 20 n a n a 20 n a n a 25 n a n a 25 n a n a 25 n a n a Large Array Frame 6 Modules 6 Module 60 Total V 6 Module 70 Total V 6 Module 75 Total V Array Desired Pickup Predicted Array Desired Pickup Predicted Array Desired Pickup Predicted Modules Pitch Point Pitch Modules Pitch Point Pitch Modules Pitch Point Pitch RMxx05 10 17 10...

Страница 14: ...x05 10 17 10 8 RMxx05 5 24 5 8 RMxx05 5 22 5 0 RMxx05 5 23 5 5 RMxx10 0 30 0 4 RMxx05 0 27 0 6 RMxx10 0 29 0 2 RMxx20 5 32 1 5 RMxx10 5 32 3 8 RMxx10 5 32 2 5 RMxx20 10 38 9 5 RMxx20 10 36 9 8 RMxx20 10 37 9 6 RMxx20 15 n a n a RMxx40 15 n a n a RMxx40 15 n a n a 20 n a n a 20 n a n a 20 n a n a 25 n a n a 25 n a n a 25 n a n a Simplified Chart Notes 1 Modeler software calculates array pitch refer...

Страница 15: ...st commonly the RMPULL bracket is used as a third attachment point to the building structure to allow greater pitch angles or more precise resolution of the array The pitch angle adjustment resolution of the Array Frames using 2 point gravity suspension varies with module configuration Additionally the accuracy of the pitch angle prediction using the RoomMatch Array Frame Suspension Angle Calculat...

Страница 16: ...tion regarding this application The RoomMatch subwoofer enclosure allows for floor mounted or ground stacked applications Ground stacking subwoofers more than 2 modules in height is not recommended A safety strap should always be used to secure subwoofer modules in ground stack applications of more than 1 unit in height Field Installation Rigging of Arrays Prior to installation at the job site sev...

Страница 17: ...grate subwoofer modules behind other mod ules in the same array The Extender Bars can accommodate up to 2 RMS215 subwoofer modules mounted in the rear position This allows the Large Array Frame with Extender Bars to be configured as a 2 x 2 subwoofer array with or without additional full range modules to be integrated in the same array The largest RoomMatch array configuration using standard riggi...

Страница 18: ...dule with Subwoofer Applications Driver Elements High Pass Filter Low Pass Filter Type Slope Frequency Type Slope Frequency Subwoofer RMS215 Butterworth 12 dB octave 40 Hz Butterworth 24 dB octave 80 Hz Module LF Butterworth 24 dB octave 80 Hz Butterworth 24 dB octave 510 Hz Module HF Butterworth 24 dB octave 580 Hz none none none Array Compensation EQ The RoomMatch module EQ presets in ControlSpa...

Страница 19: ... of Typical RoomMatch Array Configurations Single Module Surface Mount 2 Module Array RMBRKT RMPULL Single Full Range Module 2 x Full Range Modules 2 Module with Sub Array 4 Module Array RMAFSM RMAFSM RMSFLY 4 x Full Range Modules 1 x Subwoofer Module 2 x Full Range Modules ...

Страница 20: ...lines 4 Module with Cardioid Sub Array 6 Module with 2 Rear Sub Array 8 Module Array RMAFLG RMAFLG RMAFLG RMXSRT RMXLNG 8 x Full Range Modules 2 x Subwoofer Modules 2 x Subwoofer Modules 2 x RMSFLY 2 x RMSFLY 4 x Full Range Modules 6 x Full Range Modules RMPULL ...

Страница 21: ...t of module example 56 7 kg WA Weight of total array example 283 5 kg 6 51 56 7 10 69 56 7 21 08 56 7 38 8 56 7 66 69 56 7 XCOG 28 75 cm 283 5 Step 2 Free Body Review Assuming the front fastener is a pivot point and the rear fastener is bearing the entire load a conservative approach the following free body diagram can be developed for one side of the top module Where M1 Moment rotational force ab...

Страница 22: ...1 2 WA as each side supports half the total 0 F1 15 283 5 2 28 75 Solving for F1 F1 283 5 2 28 75 15 271 68 kg Step 3 Compare FM to WLL Compare the results for FM to the per point WLL given for the array element The calculated value of 271 68 kg is less than the per point WLL of 412 kg Therefore the array design is within load limits The above example illustrates a very simple case Additional elem...

Страница 23: ...echgroup com Adaptive Technologies Group ATM Fly Ware www rigging net Independent website listing graded fasteners www thecrosbygroup com Supplier of accessories used in the lifting industry www cmworks com Supplier of chain hoists and accessories www synaudcon com Seminars for sound system design and acoustics www riggingwarehouse com Supplier of shackles and other rigging hardware Books Sound Sy...

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