FF 120T

FF 120T

1. Provide a full-range ceiling tile speaker with drop-in plenum enclosure for suspended ceilings that shall provide wide, uniform coverage and an internal transformer.
   1. Full-range ceiling tile speaker with a drop-in plenum rated enclosure, an internal transformer for 8 ohm direct and 70/100 volt operation, and wide, uniform 170° conical dispersion
      1. Driver Requirements
         1. Shall consist of a 3" (7.6 cm) horn-loaded, full-range driver
      2. Performance Requirements
         1. Shall provide a frequency range of 68 Hz to 18 kHz, -10 dB below average SPL, measured on-axis in half space
         2. Shall provide a power handling capacity of 16 watts (rms) continuous pink noise per IEC 60268-5 and 32 watts (rms) continuous program
         3. Shall provide a nominal sensitivity of 86 dB SPL (1 W, 1 m) measured in half space
         4. Shall provide a nominal impedance of 8 ohms per speaker
         5. Shall provide a nominal conical coverage angle of 170°
      3. Electrical Requirements
         1. Shall support 8 ohm direct or 70/100 volt connection from power amplifiers
         2. Shall provide selectable power taps accessed via speaker wiring connections inside the rear panel
            1. Shall provide selectable taps for 70 volt or 100 volt operation, including 16, 8, 4, 2, and 1 watt, and 8 ohms direct
            2. Shall provide speaker tap selector and selection guide on the rear panel of the speaker
         3. Shall support one incoming and one outgoing speaker level signal on one 7-pole, 10 mm Euro-style captive screw terminal block
            1. Shall support wiring multiple speakers using parallel 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. Enclosure Requirements
         1. Shall consist of a 1' x 2' (30.5 cm x 61 cm) composite, square enclosure with a white, perforated steel grille
         2. Shall measure 11.75" (29.9 cm) in width
         3. Shall measure 23.75" (60.3 cm) in length
         4. Shall measure 3.25" (8.3 cm) in depth
         5. Shall weigh 5.1 lbs (2.3 kg) per speaker
      5. Mounting Requirements
         1. Provide the option of installing into a plenum or non-plenum ceiling
         2. Shall drop into 1' x 2' (30.5 cm x 61 cm) US style suspended tile ceilings
      6. General Requirements
         1. Shall be sold in pairs
         2. Shall meet regulatory compliances
            1. Shall meet safety compliances under CE, NFPA 70, and NFPA 90A
            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 of RoHS and WEEE
         3. Shall provide five years parts and labor warranty
   2. Approved device shall be the Extron FF 120T, part number 42-120-13; no alternates or equals.