CEILING MOUNT SPEAKER PC-1868 HK DESCRIPTION Designed for simple installation, the TOA PC-1868 HK is equipped with a metal grille an ABS resin Baffle. It can be easily installed thanks to its spring catch method. The front net is also made of metal, simplifying cleaning. SPECIFICATIONS Rated Input Rated Impedance 6 W (for 100 V line), 3 W (for 70 V Line) 100 V line : 1.7 kΩ (6 W), 3.3 kΩ (3 W), 10 kΩ (1 W) (Internal wiring must be changed) 70 V line : 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 10 kΩ (0.5 W) (Internal wiring must be changed) Sound Pressure Level 90 dB (1 W, 1 m, 330 – 3,300 Hz Pink noise) Frequency Response 100 – 16,000 Hz Speaker Component 12 cm cone-type Dimension for Fixing Hole ø150 (mounting hole) x 50 (maximum ceiling thickness) mm Speaker Mounting Method Spring catch Applicable Cable 600 V Vinyl-insulated cable (IV wire or HIV wire) Solid copper wire : ø0.8 – ø12 mm 7-core twisted copper wire : 0.75 – 1.25 m Finish Baffle : ABS resin, off-white (RAL 9010 or equivalent color) Grille : Net, off-white (RAL 9010 or equivalent color), paint Dimensions 180 x 11 (exposed section) + 110 (D) mm Weight 675 g (bracket included) [Note] Do not cover the speaker with heat insulating material or sound absorbing material. Ensure that the speaker is kept away from the heat insulating material. APPEARANCE Anchor bolt hole Ø 150 110 Ø 12 Cross section view for anchor bolt hole (SCALE : 1 / 2) 11 Ceiling Ø 180 Mounting Diagram 10 kΩ 8Ω 3.3 kΩ 1.7 kΩ (black wire) 0Ω Wiring Diagram UNIT : mm SCALE : 1 / 3 2 Ø 20 COM (white wire) (Factory-preset) [Note] Use transformer terminals when changing input impedance.