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SF 3CT LP
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SF 3CT LP

SoundField XD 3" Full-Range Ceiling Speakers with 4" Low Profile Composite Back Can and 70/100 V Transformer

Key Features

3" (76 mm) full-range driver with a tuned port
4" (102 mm) deep low profile composite back can for plenum environments
Frequency range: 65 Hz to 20 kHz
165° conical dispersion
16 watts continuous pink noise
32 watts continuous program
8 ohm direct or 70/100 volt operation on a 6 position, behind-the-grille selector
Locking arms support ceilings up to 2.25" (57.1 mm) thick.
All Features

SF 3CT LP With Locking Arm Inserts Intact, For 1/4" - 1.5” Thick Ceiling Tiles

SF 3CT LP Locking Arm Inserts Removed, For 1.5” - 2.25” Thick Ceiling Tiles

SF 3CT LP with Top Mounted Cable/Conduit Access Plate Orientation

SF 3CT LP with Side Mounted Cable/Conduit Access Plate Orientation

SGK SF3C<br />Optional Square Grille Kit for SF 3C LP, SF 3CT LP, and SF 10C SUB Speakers

BCK SF 3CT LP – Back Can Pre-Install Kit

DAK SF 3CT – Speaker Baffle Assembly Kit

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SF 3CT LP

Provide a full-range, composite back can, ceiling speaker that shall provide an internal transformer.
1. Full-range, composite back can, ceiling speaker with internal transformer for 8 ohm direct and 70/100 volt operation
  1. Driver Requirements
    1. Shall consist of a 3" (76 mm) full-range driver with a tuned port
  2. Performance Requirements
    1. Shall provide a frequency range of 65 Hz to 20 kHz, -10 dB below average SPL, measured on-axis in half space (per IEC 60268-5)
    2. Shall provide a frequency response of 265 Hz to 19 kHz, ±3 dB, measured in half space
    3. Shall provide a power handling capacity of 16 watts (rms) continuous pink noise (per IEC 60268-5) and 32 watts (rms) continuous program
    4. Shall provide a nominal sensitivity of 83 dB SPL (1 W, 1 m) measured in half space (per IEC 60268-5)
    5. Shall provide a nominal impedance of 8 ohms per speaker
    6. Shall provide a nominal conical coverage angle of 165° (1 kHz to 4 kHz)
  3. Electrical Requirements
    1. Shall support 8 ohm direct or 70/100 volt connection from power amplifiers
    2. Shall provide a six-position, behind-the-grille power tap selector
      1. Shall provide selectable rotary switch taps for 70 volt operation, including 16 watts, 8 watts, 4 watts, 2 watts, 1 watt, and 8 ohms direct
      2. Shall provide selectable rotary switch taps for 100 volt operation, including null, 16 watts, 8 watts, 4 watts, 2 watts, and 8 ohms direct
    3. Shall provide speaker tap selector and selection guide on the speaker baffle
    4. Shall support one incoming and one outgoing speaker level signal on one 4-pole, 5 mm captive screw connector
      1. Shall support wiring multiple speakers using parallel or loop-through wiring
      2. Shall support a maximum wire gauge of 12 AWG per connection point for a single wire
      3. Shall support a maximum wire gauge of 16 AWG per connection point for two wires
  4. Speaker Enclosure Requirements
    1. Shall provide a thin-edged rounded bezel surrounding the grille
      1. Shall measure 9.32 (236.7 mm) in diameter from bezel edge to edge
      2. Shall provide a white, powder-coated, paintable magnetically-attached perforated steel grille with black scrim
    2. Shall measure 8.9” (226 mm) in diameter
    3. Shall measure 4.0” in height from front of ceiling tile to top of enclosure
    4. Shall weigh 3.6 lbs (1.6 kg) per speaker
    5. Shall require 7.6" (193 mm) diameter opening in mounting surface for speaker cutout
  5. General Requirements
    1. Shall be sold in pairs
    2. Shall have a separable back can and baffle to support single trade and division of labor applications
    3. Shall include V-rail and folding C-ring kits
    4. Shall have a cable/conduit access plate that can be oriented for side or top connections
    5. Shall be compatible with Extron SGK SF3C Square Grille Kit
    6. Shall meet regulatory compliances
      1. Shall meet safety compliances under CE, UL 2043, UL1480, NFPA 90A, and NFPA 70
      2. Shall be UL listed for plenum airspaces and meet UL 2043 for heat and smoke release
      3. Shall meet UL 1480 for commercial and professional audio systems
      4. Shall comply with appropriate requirements for RoHS and WEEE
    7. Shall provide five year parts and labor warranty
2. Approved device shall be the Extron SF 3CT LP, part number 60-1311-03; no alternates or equals.

SF 3CT LP

Provide a full-range, composite back can, ceiling speaker that shall provide an internal transformer.
1. Full-range, composite back can, ceiling speaker with internal transformer for 8 ohm direct and 70/100 volt operation
  1. Driver Requirements
    1. Shall consist of a 3" (76 mm) full-range driver with a tuned port
  2. Performance Requirements
    1. Shall provide a frequency range of 65 Hz to 20 kHz, -10 dB below average SPL, measured on-axis in half space (per IEC 60268-5)
    2. Shall provide a frequency response of 265 Hz to 19 kHz, ±3 dB, measured in half space
    3. Shall provide a power handling capacity of 16 watts (rms) continuous pink noise (per IEC 60268-5) and 32 watts (rms) continuous program
    4. Shall provide a nominal sensitivity of 83 dB SPL (1 W, 1 m) measured in half space (per IEC 60268-5)
    5. Shall provide a nominal impedance of 8 ohms per speaker
    6. Shall provide a nominal conical coverage angle of 165° (1 kHz to 4 kHz)
  3. Electrical Requirements
    1. Shall support 8 ohm direct or 70/100 volt connection from power amplifiers
    2. Shall provide a six-position, behind-the-grille power tap selector
      1. Shall provide selectable rotary switch taps for 70 volt operation, including 16 watts, 8 watts, 4 watts, 2 watts, 1 watt, and 8 ohms direct
      2. Shall provide selectable rotary switch taps for 100 volt operation, including null, 16 watts, 8 watts, 4 watts, 2 watts, and 8 ohms direct
    3. Shall provide speaker tap selector and selection guide on the speaker baffle
    4. Shall support one incoming and one outgoing speaker level signal on one 4-pole, 5 mm captive screw connector
      1. Shall support wiring multiple speakers using parallel or loop-through wiring
      2. Shall support a maximum wire gauge of 12 AWG per connection point for a single wire
      3. Shall support a maximum wire gauge of 16 AWG per connection point for two wires
  4. Speaker Enclosure Requirements
    1. Shall provide a thin-edged rounded bezel surrounding the grille
      1. Shall measure 9.32 (236.7 mm) in diameter from bezel edge to edge
      2. Shall provide a white, powder-coated, paintable magnetically-attached perforated steel grille with black scrim
    2. Shall measure 8.9” (226 mm) in diameter
    3. Shall measure 4.0” in height from front of ceiling tile to top of enclosure
    4. Shall weigh 3.6 lbs (1.6 kg) per speaker
    5. Shall require 7.6" (193 mm) diameter opening in mounting surface for speaker cutout
  5. General Requirements
    1. Shall be sold in pairs
    2. Shall have a separable back can and baffle to support single trade and division of labor applications
    3. Shall include V-rail and folding C-ring kits
    4. Shall have a cable/conduit access plate that can be oriented for side or top connections
    5. Shall be compatible with Extron SGK SF3C Square Grille Kit
    6. Shall meet regulatory compliances
      1. Shall meet safety compliances under CE, UL 2043, UL1480, NFPA 90A, and NFPA 70
      2. Shall be UL listed for plenum airspaces and meet UL 2043 for heat and smoke release
      3. Shall meet UL 1480 for commercial and professional audio systems
      4. Shall comply with appropriate requirements for RoHS and WEEE
    7. Shall provide five year parts and labor warranty
2. Approved device shall be the Extron SF 3CT LP, part number 60-1311-03; no alternates or equals.

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Note: Extron products using the Universal AC Outlet accept a number of different AC plug types. Before use, ensure that the device meets all regulatory requirements for your region and complies with all applicable local safety and electrical codes and standards.

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