EM Acoustics ST-215 Operational manual

ST-215 Subwoofer
Product User Manual
v2 November 2019
LOUDSPEAKERS REDEFINED

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Contents
DECLARATION OF CONFORMITY ................................................................................................................ 5!
1.0 - Introduction .............................................................................................................................................6!
Unpacking.......................................................................................................................................................6!
2.0 – ST-215 & Accessories..........................................................................................................................7!
ST-215 ............................................................................................................................................................7!
FG-HALO-B.....................................................................................................................................................7!
GS-HALO-B.....................................................................................................................................................7!
WC-T215.........................................................................................................................................................8!
Padded transit covers................................................................................................................................ 8!
Castor Set....................................................................................................................................................... 8!
SAFETY-HALO-B ..........................................................................................................................................8!
CHAIN-HALO-B .............................................................................................................................................8!
3.0 – Simulation.................................................................................................................................................9!
Ease Focus 3 .................................................................................................................................................9!
4.0 - Safety Considerations....................................................................................................................... 10!
System Overview ..................................................................................................................................... 10!
IMPORTANT SAFETY CONSIDERATIONS ......................................................................................... 10!
Secondary Safeties.................................................................................................................................. 11!
Safety Inspections................................................................................................................................... 11!
5.0 – Rigging System Overview ............................................................................................................... 12!
5.1 – ST-215 Cabinet Hardware Overview..................................................................................... 12!
5.2 - FG-HALO-B........................................................................................................................................ 13!
FG-HALO-B Instruction Label – Spine, Left side........................................................................ 15!
FG-HALO-B Instruction Label – Spine, Right side ..................................................................... 16!
FG-HALO-B Instruction Label – Side .............................................................................................. 17!
5.6 - GS-HALO-B........................................................................................................................................ 18!
6.0 – System Setup....................................................................................................................................... 19!
6.1 – Preparing ST-215 subwoofers for flying or stacking....................................................... 19!
6.1.1 – Extending the rigging links................................................................................................ 19!
6.1.2 – Cardioid Use............................................................................................................................. 20!
6.1.3 – Using the WC-T215 transit wheelcart........................................................................... 21!
6.2 – Flying ST-215 subwoofers......................................................................................................... 22!

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6.2.1 – Flying ST-215 subwoofers alone .................................................................................... 22!
6.2.2 – Flying HALO-B underneath ST-215 subwoofers ....................................................... 24!
6.3 – Ground Stacking ST-215 subwoofers .................................................................................... 29!
6.3.1 – Using ST-215 subwoofers alone ..................................................................................... 29!
6.3.2 - Ground Stacking with HALO-B & FG-HALO-B .............................................................. 30!
6.3.3 – Ground Stacking with HALO-B & GS-HALO-B .............................................................. 35!
6.4 Using the CHAIN-HALO-B lifting chain ..................................................................................... 37!
6.5 – Fitting castors ................................................................................................................................. 38!
7.0 – Powering the System........................................................................................................................ 39!
7.1 - Amplifier and Processing Requirements............................................................................... 39!
7.1.1 - Connections............................................................................................................................. 39!
7.1.2 - Connector Options................................................................................................................. 39!
7.1.3 – Amplifier Requirements ...................................................................................................... 40!
7.1.4 – Processing Requirements................................................................................................... 40!
7.2 - Presets and Settings .................................................................................................................... 41!
7.2.1 – Standard ST-215 Preset ..................................................................................................... 41!
7.2.2 – Cardioid Array Preset............................................................................................................ 41!
7.2.2 - FIR Latency .............................................................................................................................. 42!
7.2.3 - Geometric Delay..................................................................................................................... 42!
7.2.4 - Applying EQ.............................................................................................................................. 42!
7.3 - Use with the DQ Series Advanced System Amplifiers ..................................................... 43!
7.3.1 - Connections............................................................................................................................. 43!
7.3.2 - Preset Recall............................................................................................................................ 43!
7.4 - System Connectivity..................................................................................................................... 44!
7.4.1 - Cable Length and Specification........................................................................................ 44!
7.4.2 - Available Cable Accessories............................................................................................... 44!
7.4.3 – Crossover Cable Use ............................................................................................................. 45!
7.5 - Use with the DQRack.................................................................................................................... 46!
7.5.1 - DQRack Overview .................................................................................................................. 46!
7.5.2 - System Examples with the DQRack................................................................................ 47!
8.0 – Servicing Information........................................................................................................................ 49!
8.2 – ST-215: Removing the drive units ......................................................................................... 50!
8.3 – ST-215: Replacing a Rigging flying pin ................................................................................ 51!
Appendix A – Technical Specifications .................................................................................................. 52!

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ST-215 medium format flyable subwoofer.................................................................................... 52!
Appendix B – Technical Drawings ........................................................................................................... 53!
Appendix C – Spare Parts List ................................................................................................................... 56!
Appendix D – Warranty Information ....................................................................................................... 57!
Limited Warranty ................................................................................................................................. 57!
Warranty Coverage ............................................................................................................................. 57!
Returning your EM Acoustics loudspeaker................................................................................. 57!

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DECLARATION OF CONFORMITY
The products contained within this manual conform to the
requirements of the EMC Directive 89/336/EEC, amended by
92/31/EEC and to the requirements of the Low Voltage Directive
73/23/EEC amended by 93/68/EEC.
EMC Emission EN55103-1:1996
Immunity EN55103-2:1996
Electrical Safety EN60065:1993
RECYCLING
This product and its packaging constitute the applicable product according
to the WEEE directive. Please ensure that at the end of the working life of
this product, it is disposed of sensibly in accordance with local and national
recycling regulations. The packaging supplied with this product is
recyclable. Please retain all packaging, however if disposing of this
packaging please ensure that you comply with local recycling regulations.
These products also all comply to the RoHS Directive 2002/95/EC.