Extron electronics SF 3C LP User Manual
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Extron electronics SF 3C LP User Manual

Full range 3-inch soundfield ceiling speakers with 4-inch low-profile back can
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User Guide
Speakers
SF 3C LP and SF 3CT LP
Full Range 3-inch SoundField Ceiling Speakers
with 4-inch Low-Profile Back Can
68-2224-01 Rev. A
08 16

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Summary of Contents for Extron electronics SF 3C LP

  • Page 1 User Guide Speakers SF 3C LP and SF 3CT LP Full Range 3-inch SoundField Ceiling Speakers with 4-inch Low-Profile Back Can 68-2224-01 Rev. A 08 16...

  • Page 2: Safety Instructions

    Safety Instructions Safety Instructions • English Istruzioni di sicurezza • Italiano WARNING: This symbol, , when used on the product, is intended to AVVISO: Questo simbolo, ,quando viene utilizzato il prodotto, serve alert the user of the presence of uninsulated dangerous voltage within ad avvisare l’utente della presenza di tensioni pericolose non isolate the product’s enclosure that may present a risk of electric shock.
  • Page 3 All trademarks mentioned in this guide are the properties of their respective owners. The following registered trademarks®, registered service marks( ), and trademarks( ) are the property of RGB Systems, Inc. or Extron Electronics (see the current list of trademarks on the Terms of Use page at www.extron.com): Registered Trademarks (®)

  • Page 4: Conventions Used In This Guide

    FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. The Class A limits provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.

  • Page 5: Table Of Contents

    Installing the Speaker System in a Hard Ceiling ............. 23 Troubleshooting: Signal Test Points ....31 Testing Source Signal (all configurations) ..31 Testing the Impedance (Loop-Through Configuration Only) ........31 SF 3C LP and SF 3CT LP User Guide • Contents...
  • Page 6 SF 3C LP and SF 3CT LP User Guide • Contents...

  • Page 7: Introduction

    The SF 3C LP supports 8 ohm operation. The SF 3CT LP supports 70 V, 100 V, and 8 ohm direct operation. The SF 3CT LP has a 6-position rotary switch for selecting the various power taps for 70V, 100V, or 8 ohms.

  • Page 8: Application Example

    Control Processor HDMI eBUS Workstation PC Projector Extron DISPLAY HDMI VOLUME EBP 106 D Blu-ray Player eBUS Button Panel VIDEO – Decora Wallplate Figure 1. Typical SF 3CT LP Application SF 3C LP and SF 3CT LP User Guide • Introduction...

  • Page 9: Installation

    • If using secondary support cables, the installer provides the cables. Installation Configurations The SF 3C LP and SF 3CT LP can be configured for the following ceiling types: • Suspended ceiling: The following sections describe speaker installation procedures for suspended ceilings.

  • Page 10: Installing The Speaker System In A Suspended Ceiling - Single Installer

    Fit the tab of one end into the slot of the other end. Open the V-rail until it locks together. iii. Repeat this procedure for the other V-rail. Figure 2. Assembling the V-rails SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 11 Loosen the two side cable conduit access plate screws and remove the plate before wiring the speaker. Remove the cable conduit access plate. Alternate Knockout Figure 4. Removing the Cable Conduit Access Plate SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 12 • Ne pas étamer les conducteurs avant de les insérer dans le connecteur. Les câbles étamés ne sont pas aussi bien fixés dans le connecteur et pourraient être retirés. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 13 Using a cable clamp on the cable conduit access plate: Figure 6. Using a Cable Clamp Using a conduit adapter on the cable conduit access plate: Flexible Conduit Adapter Figure 7. Using a Conduit Adapter SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 14 4 with the wires out of the way. Clamp the speaker to the C-ring by using a Phillips screwdriver to tighten the three locking arms to the C-ring. Figure 8. Clamping the Speaker to the C-ring SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 15 Connecting a Secondary Support Line ATTENTION: • Do not allow any slack in the secondary support line. • Ne laissez pas de mou au niveau du filin de sécurité secondaire. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 16 équivalent à une valeur inférieure à l’impédance minimum de l’amplificateur. 8Ω Adjust the Tap Selector Figure 11. Setting the Rotary Tap Selector Switch SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 17 Figure 12. Installing the grille NOTE: Specific test points can be used to troubleshoot speaker system problems. Should problems be encountered, please see Troubleshooting: Signal Test Points on page 31. SF 3C LP and SF 3CT LP User Guide • Installation...

  • Page 18: Installing The Speaker System In A Suspended Ceiling - Division Of Labor

    NOTE: The screws are not removeable. They loosen completely, but do not pull out. Figure 13. Unscrewing the Speaker Assembly from the Back Can SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 19 Using the provided cutout template, trace a circle around the cutout template. Cut out the circle traced in the ceiling tile. Replace the tile in the ceiling. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 20 The ends of the V-rails go over the ceiling grid. Place the C-ring assembly and position it on the two V-rails so that the C-ring is centered over the hole. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 21 Alternate Knockout Figure 17. Removing the Cable Conduit Access Plate Configure the cable conduit access plate: When not using conduit: Route the speaker wires through the cable clamp. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 22 • Ne pas étamer les conducteurs avant de les insérer dans le connecteur. Les câbles étamés ne sont pas aussi bien fixés dans le connecteur et pourraient être retirés. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 23 Using a conduit adapter on the cable conduit access plate: Flexible Conduit Adapter Figure 20. Using a Conduit Adapter Replace the cable conduit access plate and tighten the two retaining screws. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 24 Figure 21. Inserting the Speaker Back Can Clamp the speaker back can to the C-ring by using a Phillips screwdriver to tighten the three locking arms to the C-ring. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 25 Stop Tightening when the Opti-Torque Indicator Ring Falls ATTENTION: • To avoid damaging the speaker, do not overtighten the three screws. • Pour éviter d’endommager l’enceinte, ne serrez pas trop les trois vis. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 26 Attach the speaker assembly to the back can enclosure. Connect the speaker wires from the back can enclosure to the speaker assembly. Figure 25. Connecting Speaker Wires to the Speaker Assembly SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 27 Lors de la connexion de plusieurs enceintes en mode 8 ohm, assurez vous que • le niveau d’impédance combinée ne soit pas équivalent à une valeur inférieure à l’impédance minimum de l’amplificateur. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 28 Figure 28. Installing the Grille NOTE: Specific test points can be used to troubleshoot speaker system problems. Should problems be encountered, please see Troubleshooting: Signal Test Points on page 31. SF 3C LP and SF 3CT LP User Guide • Installation...

  • Page 29: Installing The Speaker System In A Hard Ceiling

    Installing the Speaker System in a Hard Ceiling If you are installing the SF 3C LP or SF 3CT LP in a hard ceiling (having no ceiling tiles), with the ceiling structure in place, follow the steps below: Disconnect power Power down all attached devices before proceeding.
  • Page 30 NOTE: The plate has an alternate hole available by removing the knockout. See step 6a on the previous page to remove the knockout. Strip 0.2 inches (5 mm) from the wire ends. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 31 • Ne pas étamer les conducteurs avant de les insérer dans le connecteur. Les câbles étamés ne sont pas aussi bien fixés dans le connecteur et pourraient être retirés. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 32 Using a cable clamp on the cable conduit access plate: Figure 32. Using a Cable Clamp Using a conduit adapter on the cable conduit access plate: Flexible Conduit Adapter Figure 33. Using a Conduit Adapter SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 33 Connecting a Secondary Support Line ATTENTION: • Do not allow any slack in the secondary support line. • Ne laissez pas de mou au niveau du filin de sécurité secondaire. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 34 Stop Tightening when the Opti-Torque Indicator Ring Falls ATTENTION: • To avoid damaging the speaker, do not overtighten the three screws. • Pour éviter d’endommager l’enceinte, ne serrez pas trop les trois vis. SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 35 équivalent à une valeur inférieure à l’impédance minimum de l’amplificateur. 8Ω Adjust the Tap Selector Figure 37. Setting the Rotary Tap Selector Switch SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 36 Installing the Grille NOTE: Specific test points can be used to troubleshoot speaker system problems. Should problems be encountered, please see Troubleshooting: Signal Test Points on the next page. SF 3C LP and SF 3CT LP User Guide • Installation...

  • Page 37: Troubleshooting: Signal Test Points

    Red Wire (+) from Amplifier Amplifier To next speaker(s) Black Wire (-) from Amplifier Test Points Impedance Test Points Figure 40. Impedance Test Points — Loop-through Configuration SF 3C LP and SF 3CT LP User Guide • Installation...
  • Page 38 Extron Electronics makes no further warranties either expressed or implied with respect to the product and its quality, performance, merchantability, or fitness for any particular use. In no event will Extron Electronics be liable for direct, indirect, or consequential damages resulting from any defect in this product even if Extron Electronics has been advised of such damage.

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Sf 3ct lp

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